37VT66 Salty Paws

<< previous tug next >>

view source print edit

Salty Paws

HIN: OEY370660986 more photos
Hull Laid: September 1986
Yard: Ocean Eagle Yachts, Taiwan

Bob Ewing, May 2016

Bilge Chocks Added April 2010
See more Bilge Chock pictures
Click to see Bilge Chock Blue Prints

Owner	Bought	Sold	Boat's Name	Home Port
Bob Ewing and Jeanne Koenig	25 May, 2016		Salty Paws	Boothbay Harbor, ME
John and Jeanne Niccolls	Sept 18, 2005	25 May, 2016	Knock Off	Herrington Harbor, MD
Fred and Linda Byrum	Apr 12, 2000	Sept 18, 2005	Knock Off	White Stone, VA
David P. Sanders III	Apr 2, 1995	Apr 12, 2000	Tuggie	Northville, MI
Julian S. Richards1	Dec 31, 1986	Apr 2, 1995	Tuggie	New Orleans, LA

Layout

• "L" shaped salon settee
• Galley to port
• Pilot house has single engine-room floor-hatch to port
• Stateroom has single seat with vanity shelf to starboard
• Teak and holly floor leveling insert at top of stateroom stairs

Mechanical and Engine Detail

• Cummins 4BT3.9M turbocharged diesel engine, 2260 hours (2/06)
• Borg Warner Transmission (rebuilt April 2011)
• Bilge keels (12" x 9') added, May, 2010 (see photos)
• Raycor 500 fuel filter
• Tankage
  • • 120 gallons diesel fuel in two aluminum tanks with mechanical fuel gauges (2015)
    • 150g water in 2 orginal stainless steel tanks
    • 40g holding tank (a replacement) in welded aluminum under stateroom bunk
• PSS dripless prop shaft seal (April 2011)
• Cutlass bearing replaced April 2011
• Hydronic hot water heater via hotwater coil and electric elements
• 3 electric bilge pumps with helm indicator lights
• Manual bilge pump
• Reverso oil changing system
• Aqualarm raw water flow alarm
• 2 Groco sea water strainers (engine and gen set)
• Cable steering (replaced by Atlantic Spar and Rigging, Annapolis, summer, 2007)
• Kahlenberg 119 Whistle, air compressor in engine room, and air storage tank in the stack.
• Electric macerator type head with aluminum holding tank
• Fuel polishing system with Raycor filter
• Pressurized fresh water system with expansion tank
• Water heater (from 120 VAC or engine cooling water) Manufacturer: Atwood 8 gallon

• Air conditioners
  • • • 12,000 Btu Cruise-air split system (compressor under berth, condensers in pilothouse glove box and stateroom's hanging locker)
      • 12,000 Btu Mermaid Marine Air system in starboard lazarette (April 2011)

Electrical

• Westerbeke 8 kW generator
• Magnum Energy Model MS2812 Pure Sine Wave Inverter/Charger, 2,800 watts; 125 amp charger (new Oct 2012)
• Magnum Battery Monitor Kit with ME-RC remote control panel wih LCD display in wheelhouse (new Oct 2012)
• Zantrex Digital Echo Charge, 15 amp, provides charge to Group 31 windlass battery (new Oct 2012)
• Two D8 house batteries (replaced Sept 2012); starting battery for generator and separate battery for windlass (both new Sept 2012)
• "Smart Plug" shore power connections (2) installed spring 2012

Galley

• Ceramic tile counter tops
• Adler Barbour refrigerator/freezer with top and side access (2007)
• Seaward 3 burner flat top electric range and oven (2007)
• Microwave oven
• Toaster oven

Electronics

• Garmin 5212 12.1" touchscreen network chart-plotter GPS (April 2012)
• Garmin AIS 300 Class B AIS receiver (April 2012)
• Garmin GMR 18 HD 36nm Radar (July 2013)
• Lowrance HDS-5x Gen2 sounder/fishfinder (April 2012)
• Simrad autopilot
• ICOM ICM502 marine VHF
• AM/FM/CD stereo with speakers in pilot house and salon
• CO detector
• Standard Horizon 30 watt hailer and two-way loud speaker

Deck

• "Classic" tugboat scale mast added by David Sanders in Detroit.
• Air compressor (120 VAC) and custom air tank (tank fitted in the smoke stack) power a Kallenberg whistle.
• Stainless steel anchor with 10' stainless steel anchor chain and 200' nylon rode
• Maxwell Windlass
• Seawater wash-down at bow with indicator light in wheelhouse
• Fresh hot/cold water shower in stern
• Pilot house mounted spot
• Aluminum mast aft of stack—hinged
• Life lines supported on 1.5" stanchions on upper deck
• Upper teak decks renovated at Buster Phipps boat works in Deale, MD. New caulk and sanded.
• Lower teak decks renovated at Buster Phipps boat works in Deale, MD. New caulk and sanded.
• Exterior teak trim and doors refinished — winter 2015
• System 500 St. Croix Marine Products davits on new deck mounted posts (see photo gallery)–February, 2008

Related Documents

• Knock Off custom features booklet 2006-2013
• Delivery Trip Oct 2005
• Sept. 2005 Survey
• Bilge Keel Blue Prints, April 2010
• Yacht World Listing, February 2006
• O&M Manual
• Some hull66 details
• Davit support posts Davits on Hull, Post Elevation, Elevation 2, and Angle of Shoe

Operations and Maintenance Manual

view source print edit

Section 1: 1986 37' Lord Nelson Victory Tug “Knock Off”
Section 2: Securing Knock Off at the dock]
Section 3: Getting underway
Section 4: Docking
Section 5: Electronics
Section 6: Anchoring and windlass operation
Section 7: Dinghy and outboard engine
Section 8: Shaft seal
Section 9: 12 VDC electrical system
Section 10: 120 volt AC electrical system
Section 11: Marine head
Section 12: Shower
Section 13: Winterizing
Section 14: Spring re-commissioning
Section 15: Changing engine oil and filters

Section 16: Crankcase breather filter
Section 17: Checking and changing transmission fluid
Section 18: Galvanic protection
Section 19: Electric range
Section 20: Operating the generator
Section 21: Fueling the boat
Section 22: Polishing fuel
Section 23: Running out of fuel
Section 24: Domestic water storage and supply
Section 25: Propane grill
Section 26: Air conditioners
Section 27: Safety equipment
Section 28: Service intervals
Section 29: Parts
Section 30: On board manuals

Knock Off (66)

Section 1. Operation and maintenance of the 1986 37 foot Lord Nelson Victory Tug “Knock Off”

1. The purpose of this manual is to familiarize Knock Off’s owner/operator with essential information required for safe and reliable operation of the vessel. Numerous manuals (engine, instrument and equipment) are on board and must be used in conjunction with this document. An inventory of on-board manuals is found in Section 30. Additional valuable information is available at http://lnvt.org.
2. Knock Off is a USCG documented yacht. Her recorded hailing port is Whitestone, Virginia; her USCG Federal Documentation Number 909473 is affixed to the hull in the engine room and in the pilot house.
3. The manufacturer’s hull identification number is: OEY370660986 (coded from Ocean Eagle Yacht Building Corporation, 37 feet LOA, hull number 066, hull laid down September, 1986).
4. She was designed by James Backus. Her builder was Lord Nelson Yachts, Ltd., Seattle, Washington; she was manufactured in Taiwan under the direction of Tommy Chen, owner of the Hai O Yachts Corporation and the Ocean Eagle Yacht Building Corporation.
5. The full displacement hull material is fiber-glass reinforced epoxy.
6. Her dimensions are:
   1. Length overall 36 feet, 11 inches
   2. Beam: 13 feet, 2 inches
   3. Draft: 3 feet, 6 inches
   4. Approximate displacement: 20,585 pounds
7. She is powered by a 150 HP Cummins diesel engine (Model: 4BT3.9M, Serial Number: 441603731) driving a four bladed left hand Michigan Dyna Quad 24" diameter with a pitch reported as 20".
8. Power is transferred to the 2" stainless steel propeller shaft through a Borg Warner Velvet Drive transmission (Model No. 10-18-010; SN 38452) with a 2.57 to one ratio.

Back to Table of Contents

Section 2: Securing Knock Off at the dock

1. Dock lines: Dock lines have been marked with whipping cord to indicate their proper positions at slip E-24, Herrington Harbour South; refer to Log Book 2 for a diagram showing the markings.
2. The LNVT pennant is protected by a green canvas cover.
3. Locking the boat:
   1. Wheelhouse doors are shut and locked (upper and lower door sections).
   2. Close all widows and lower roller blinds.
   3. Put the wheelhouse window cover in place. Begin fastening cover on the port upper corner and continuing around to the starboard side.
4. Electrical connections (for vessel in slip):
   1. Main disconnects: Two generator/shore power transfer switches are located in the wheelhouse (next to the main electrical panel) and are set as follows: Port side switch (for house circuits) is left ON. Starboard switch is for the air conditioners and is left OFF unless air conditioners are to be left running.
   2. Shore power: Connect both power cables to shore outlets using the on-board 50 amp splitter if necessary. Shore power connections should be made and un-made only with both generator/shore power transfer switches in the OFF position.
   3. Connecting to shower power: Knock Off utilizes two separate 30 amp shore power connections for its 120 volt current systems. House lights, battery charger, range, appliances, outlets and the hot water heater are served by one connection while a second connection provides power to the 120 volt air conditioners.
5. Electric panel:
   1. AC side: Only three breakers are left ON while the boat is left unattended: Outlets Port, Outlets Starboard and Battery Charger.
   2. DC side: Leave only the following breakers ON: Cabin lights port, Cabin lights starboard, pilot house lights and refrigerator.
6. Dinghy: Lower the aft end of the dingy and remove the drain plug.
7. Be sure the GARMIN GPS (which is powered outside the electric panel) is OFF.
8. Wash down pump: Leave OFF (red indicator light on consol); breaker and switch is located just above the main disconnects. Never leave the pump on with the boat unattended!
9. Heart Interface: Charge light (green) should be ON (inverter should be OFF)..
10. Do not leave any appliances (e.g., laptop) connected to 120 volt circuits when boat is unattended.

Back to Table of Contents

INSERT PICTURE OF SWITCHES

Section 3: Getting Underway

1. Raise and secure the dingy level and use the four tie lines to prevent sway.
2. Electrical:
   1. Run the air compressor (breaker type switch is next to wheel) to provide air pressure for the whistle. Once the air compressor has achieved operating pressure it will shut off; however, open the ON-OFF switch after desired pressure is reached.
   2. Switch both main breakers (located next to electric panel) to OFF. Then disconnect the shore power cables from the dockside connection.
   3. Switch the following breakers on the DC panel to ON:
      1. 1. Horn
         2. Radar
         3. Auto Pilot
         4. Stereo (this circuit also powers the CO monitor)
         5. Engine room blower
         6. Water pressure
         7. Depth sounder
         8. Refrigerator
         9. Nav instruments
   4. Start Garmin GPS
   5. Start SIMRAD auto pilot
   6. Power up KVH compass
   7. Heart Interface LINK 2000:
   8. If AC current is required (to charge a computer, for example) while under way, the INVERTER must be ON (green indicator light will show).
   9. “Inverter” and “charge” functions should not be on simultaneously while the battery charger circuit breaker is closed. Doing so converts battery current to 120 VAC which then feeds the battery charger. A net loss of battery power results.
3. Bilge pump switches are located on the port side of the wheelhouse.
   1. FWD switch. This switch as of April, 2010, is not connected to the forward bilge pump. The forward bilge pump is operated by closing the “Bilge Pump Manual” circuit breaker.
   2. AFT switch must be set on AUTO.
4. Checking engine oil, coolant level and transmission fluid level:
   1. Oil level is shown on the dipstick found on port side of engine. The normal level is midway between marks on dipstick.
   2. Coolant level is seen in the semi-transparent coolant reservoir mounted on the forward engine room bulkhead.
   3. Transmission dipstick is located on the port side of the transmission, reached from the galley engine room door. Normal level is mid-way between marks on the dipstick. Check transmission fluid levels once monthly. An oil absorbing cloth is kept under the transmission to catch any fluid leaks. A few pink fluid spots on the cloth are normal. Change the cloth bi-monthly or when foul.
5. Starting the engine: The engine is NOT equipped with glow plugs so there is no pre-heating process required.
   1. With the throttle closed and the transmission lever in neutral (center position), turn the key to start.
   2. Immediately after starting, briefly move the throttle to 1,000 RPM to excite the alternator then return to idle speed (900 to 950 rpm).
   3. Do not run the engine at high rpm until normal operating temperature is achieved and do not idle the engine for long periods.
6. Knock Off backs to starboard. Unlike many boats, Knock Off tends to turn to starboard when backing. Thus, U turns are best made by turning left so that the turn can be shortened by putting the transmission in reverse and turning the wheel to the right midway through the turn.
7. Extended warmup at idle is not recommended by Cummins. Operate at low engine speeds for five minutes (about the time it takes to leave the harbor).
8. Knock Off’s “no wake” speed is about 1,000 rpm.
9. Always slow engine to idle (900 to 950 rpm) before engaging or shifting the transmission. Move the transmission lever SLOWLY between neutral, forward and reverse.
10. Take note of the rudder position indicator bar on the SIMRAD autopilot. The rudder should generally be at zero degrees when beginning to back from the slip.

Back to Table of Contents

Section 4: Docking (thanks to Andy Mutch of “Loon”)

1. Generally try to approach any dock with the starboard side nearest the dock. Wind or other conditions may prevent this. These instructions assume a starboard side approach.
2. Rig a single aft (leading) spring line from the mid-ship starboard cleat (very handy – right outside the pilot house door) with a fairly large eye spliced in the end that will be going ashore.
3. As you come along-side the pier, very slowly and in full control, have the mate drop the eye over an available cleat or pile (one that will be about 6’-8’ aft of where you want to finally stop).
4. This line is NOT to stop your boat, you do that from the helm, but rather to give you a balance point to dock the boat and hold her in place while you quietly pass the other dock lines over to the shore.
5. As you stop alongside and parallel to the dock, very slowly power ahead until this spring line it taught, turn the helm hard off-shore (away from the dock in forward) and let the engine idle in forward gear.
6. The vessel will sit there all by herself, no hands, while you and the mate tie her up. The spring line will try to turn the bow towards the pier, while the prop will try to turn the bow away from the pier because the helm is hard over.

Back to Table of Contents

Section 5: Electronics

1. VHF radio transmitter/receiver: The ICOM transceiver (Model: IC M502) is linked to the GPS so that holding the DISTRESS button down for 7 to 10 seconds will alert the U.S. Coast Guard, indicate the vessel’s position, name and description. When alerted, the radio will automatically turn to Channel 73 and the USCG will call on that channel.
   1. Read the VHF Radio Operation manual stored in the cabinet behind the electric panel.
   2. Knock Off has two VHF antennae. The antenna on the port side is connected to the radio. The shorter antenna on the starboard side is spare. The spare antenna lead is behind the radio.
2. Hailer: Instructions for operation of the hailer are on board.
3. Garmin GPS chart plotter: Instructions for the GPS are on board. The GPS NEMA signal output feeds to the SIMRAD autopilot and also to a computer cable that may be connected to a laptop with a navigation program.
4. The “From PC / From GPS” switch located on the console above the Garmin GPS allows selection of either the Garmin GPS or the laptop as the source of data to control the autopilot.
5. Wash Down Pump indicator light. A red LED light on the console indicates when the forward deck mounted sea-water wash down pump circuit is energized. The sea-water wash down pump (located in the bilge below the forward berth) is controlled by a switch located to the right of the DC electric panel. The pump should be left normally OFF except when in use. Leaving the boat unattended with the pump circuit on could result in flooding the boat if the pump hose leaked.
6. Raytheon radar: The radar manual is on board.
7. Anchor windlass switch. The anchor windlass is powered by a dedicated 12 volt group 31 deep cycle flooded cell battery located below the forward berth. The battery is recharged by the main battery charger (located port side in the engine room). The windlass electric power is controlled by a relay which is operated by a pull-push type switch on the console forward of the wheel. Foot switches located on the forward deck control the direction of the windlass. (See Anchoring and Windlass below.)
8. Exhaust heat alarm: Knock Off is equipped with a temperature sensor located on the exhaust pipe which connects to an indicator light and alarm device located on the console forward of the wheel. The alarm sounds when the sensor reads temperatures above 190 degree F.
9. Engine gauges located on the console forward of the wheel:
   1. Tachometer and engine hour meter. The tachometer is driven by a signal from the alternator.
   2. Because the original tachometer/engine hour meter was replaced (reportedly at engine hour 1098.0) the present hour meter understates engine hours run.
   3. Oil pressure gauge: The gauge is marked to indicate typical operating pressures
   4. Coolant temperature gauge: The gauge is marked to indicate typical operating coolant temperature.
   5. Voltmeters–battery voltage may be read on the following gauges (which rarely agree):
      1. Engine console voltmeter
      2. Heart Interface LINK 2000
      3. GPS
      4. DC electrical panel
   6. Depth sounders: Knock Off is equipped with two depth sounders. The displays are located forward of the wheel. If eccentric readings occur, turn the Depth Sounder circuit breaker switch off for five seconds and restart.
   7. Lowrance AirMar B744V thru-hull transducer (depth/speed/temp) with a high speed fairing block was installed April 15, 2010 but not yet connected to a display unit. The transducer is located on the port side of the engine. The lead wire is coiled in the engine room.

Back to Table of Contents

Section 6: Anchoring and Windlass Operation

1. Knock Off is equipped with an electric windlass manufactured by Maxwell.
2. Knock Off’s working anchor is a 30 pound stainless steel “knock off” of the “Danforth” type anchor. The anchor rode is comprised of 10 feet of stainless steel chain and 150 of 5/8" nylon three-stand rope marked at 30 foot intervals.
3. Showing an anchor light is generally required (except in marked mooring areas) after sundown. The anchor light switch is located among the 12 volt breakers in the electric panel.
4. Setting the anchor:
   1. Prepare the anchor rode: Remove the cap on the anchor rode hawsepipe and pull enough rode needed for the depth of water from the anchor rode locker. Lay out the rode on the port side deck so that it is unlikely to foul as the anchor is lowered.
   2. Prepare the anchor chain: Under way, the anchor chain is secured with two devices. One is a spring loaded hook on the foredeck; the second is a hook and rope with one end spliced to a cleat mounted on the starboard side bulwark above the anchor hawsepipe.
      1. Release the deck mounted chain hook so that the hook and rope still holds the anchor in place.
      2. Advise the helm that you are ready to release the anchor.
   3. Lowering the anchor:
      1. Bring the boat to a dead stop with the bow directly on the wind or 10 to 15 degrees right of the wind.
      2. Using the short boat hook from the forward area, tap the anchor gently to see that it is free in the hawsepipe.
      3. Take hold of the anchor chain and release the rope from the cleat so that the anchor is free to be lowered.
      4. Lower the anchor slowly by controlling the release of rode through the hawsepipe. At this time, the pilot should mark the exact location of the boat where the anchor was lowered using the MARK button on the GPS.
      5. The pilot will now operate the boat (with the helm straight) SLOW REVERSE during which the rode will be paid out to the length desired. During the operation the boat may be placed in neutral, then in reverse, for short periods so that momentum is controlled.
      6. When the correct length of rode is out, make it fast to the port side hawsepipe horns. Be sure the “standing” part of the rode (between the boat and the anchor) is downstream of the deck mounted snatch block and is put first on the horn rather that the “running” (or loose part). Otherwise removing the rode will be difficult.
      7. Once the rode is fully payed out, the boat should be operated at just above SLOW REVERSE to “set” the anchor. Watch the anchor rode in the water forward of the boat. If the anchor is dragging, you will see ripples in the water near the rode. When the anchor is set, the rode will stretch some. This will be visible on the rode between the hawsepipe and the horns.
      8. Once set, the helm should again MARK the location of the boat on the GPS so that you can measure any change of position and anchor dragging. Zoom in on the GPS to the closest range to see the marks.
      9. The anchor rode has markings at 4', 30', 60' and 90'.
   4. Raising the anchor:
      1. Navigation instruments should be activated and adjusted for normal operation.
      2. Both the anchor windlass and the sea-water wash down switches should be ON during the operation.
      3. In calm air and quiet water, the boat can be moved manually forward by pulling on the anchor rode.
      4. Start the engine (see Getting Under Way above).
      5. Determine the direction the boat must be moved to point the bow toward the anchor. Give a hand signal to the pilot to move in that direction SLOW AHEAD.
      6. Release the anchor rode from the horns.
      7. Take up the rode as the boat moves forward. Do not allow the boat to overrun the rode.
      8. When the rode is close to vertical below the anchor hawsepipe and pulled tight manually, take up the rode (inboard of the snatch block) and take three turns around the windlass drum. (The “gypsy” or chain reel on the windlass is never used on Knock Off.)
      9. While holding the running part of the rode with several turns on the windlass drum tight, the boat should be powered forward slowly to break the anchor free from the bottom. Once this is done, and with the transmission in neutral, use the windlass to raise the anchor. When the four foot market comes aboard, be very cautious in using the windlass so that the splice at the thimble does not jam into the snatch block. Manually raise the anchor to the correct position and make it fast using the hook and rope.
      10. The pilot may now put the boat under way on the correct course.
      11. At this point you may wish to rinse the rode, chain and anchor using the wash down hose.
      12. Make the chain fast in the deck mounted hook.
      13. Stow the anchor rode in the locker. The rode may be left on deck while under way so that it dries before storage but make sure it cannot be washed through the “freeing ports”.
   5. Swim ladder: While at anchor you may wish to use the on-board swim ladder. The ladder is stored in the engine room, port side, and is removed through the wheelhouse engine room hatch. It mounts on two vertical posts on the starboard side of the hull.

Back to Table of Contents

Section 7: Dinghy and Outboard Engine

1. The dinghy is an Achilles 8'6" (Hull No. ACH00100C806; MD Reg 1277BZ, Decal 558068) equipped with a two-cycle Nissan (Tohatsu) 5HP Model NS8B, Serial Number 82621)
2. The dinghy is stored on its davits with its bow below the port side davit. When the boat is unattended the aft end is lowered and the transom drain plug removed so that rainwater does not accumulate in the dinghy.
3. The dinghy must be raised and secured before Knock Off is put under way!
   1. Pull up the tackle as far as possible and make it fast on the davit cleats.
   2. Attached each of the white nylon lines (leading from the starboard side of the dinghy) to the opposite davit and secure the lines tightly.
   3. Attached the clip on the black line closest to the engine to the chain leading from the transom to the davit hoist. Attach the port side clip to the forward chain brindle.
4. Lowering the dinghy:
   1. Insert the drain plug in the transom.
   2. Release the two white lines and the clips from the dinghy.
   3. Release the davit hoist lines and slowly lower the dingy to the water.
   4. Enter the dinghy from Knock Off’s stern
   5. Release one hoist line.
   6. Open the fuel tank vent screw and squeeze the fuel pump two or three times until the bulb feels full.
   7. In warm weather, the engine may not need to be choked. Place the throttle in the start position (marked on the handle) and with the transmission shift lever in neutral pull the starter rope. In cool weather, first try half choke.
5. Dinghy engine fuel: The fuel mixture is 50:1 gasolene to 2-cycle oil. Here are typical mixes:
   3.0 ounces oil to 1.17 gallons of gas
   4.0 ounces oil to 1.56 gallons of gas
   5.0 ounces oil to 1.95 gallons of gas
   6.0 ounces oil to 2.34 gallons of gas
   7.0 ounces oil to 2.73 gallons of gas
   8.0 ounces oil to 3.13 gallons of gas
   9.0 ounces oil to 3.52 gallons of gas
6. Operation of the dinghy: Get under way by placing the gear lever in the forward position. Slowly advance the throttle to a slow ahead speed then gradually increase power. The dinghy with two persons aboard is capable of planing in smooth water. Slow the boat from a plane by first returning the a moderate speed so that the stern wake doesn’t overtake the boat.
7. Raising the dinghy
   1. Bring the dinghy to a stop aft of Knock Off; stop the engine.
   2. Make the dinghy fast to the hoist lines.
   3. Close the vent screw on the fuel tank.
   4. Climb aboard Knock Off
   5. Using the dinghy hoist tackle, raise the dinghy in stages, first raising the bow 12 to 18 inches, then the stern, and so forth.
   6. Secure the dinghy for operation under way (as above); BE SURE TO REMOVE THE DRAIN PLUG.
8. Winterizing the Nissan outboard engine (see Nissan operating manual)
   1. Run the engine in fresh water to remove sea water from the cooling system.
   2. Remove the fuel tank and fuel line. All fuel should be drained from both the tank and the line to avoid gumming in the fuel system next spring.
   3. With the safety switch open so that the engine cannot start, remove each spark plug (one at a time to avoid reversing the spark plug leads) and spray fogging oil in each cylinder.

Back to Table of Contents

Section 8: Shaft Seal

1. Knock Off is equipped with a PSS Shaft Seal Packless Sealing System. The PSS Shaft Seal is a mechanical seal that uses a self-aligning carbon-graphite stator to ensure a watertight seal.
2. The seal occasional leaks and adds water to the bilge which is indicated by the aft bilge pump light glowing.
3. Trouble-shooting (from the PSS website):
   1. If the PSS shaft seal emits a high-pitched squeal during operation, the seal may not be getting water. Review and correct plumbing to the seal. CAUTION: If the seal has run dry use caution! The faces (stainless steel rotor and carbon) may be very hot.
   2. Spray or mist during operation after the break in period: The dimensions provided in the “Bellow compression chart ” are average figures and are provided as a guide. The EXACT compression amounts required can vary due to different types of engine mounts and water pressure being fed to the seal. If you experience any spray or mist following the break in period, make sure that the bellows had been compressed properly. If so, add an additional 1/4 ” of compression to the seal and soon the mist should disappear. Keep adjusting until the spray or mist stops. Read the maintenance manual (on board) before attempting to adjust the rotor location on the shaft. The rotor is held to the shaft by two set screws located 90 degrees apart on the rotor. Each set screw is held in place by a second set screw so removing only one in each tap will NOT release the rotor.
   3. Dripping at rest: If the PSS seal drips while at rest then it is likely that foreign material is on the face of the seal between the stainless steel rotor and the carbon flange. To clean this foreign material from the seal, insert a clean rag carefully between the two faces (Note: some water will come into the boat at this time if the boat is in the water) and work the rag around the seal. As you do this, the incoming water will flush the impurities. Remove the rag from the seal and the leak should stop.

Back to Table of Contents

Section 9: 12 Volt DC Electrical System

1. Knock Off carries the following batteries:
   1. Westerbeke starting battery: 12 volt Group 21 Deka starting type (new June, 2009)
   2. Anchor windlass: 12 volt Group 31 Deka starting type battery (new June, 2009)
   3. House batteries: Two 12 volt West Marine Dual Purpose 8D batteries (new May, 2008) wired in parallel
      1. These batteries provide current to the 12 volt side of the electric panel
      2. The Cummin engine is started using the house batteries
   4. Battery maintenance:
      1. Check the fluid level in both 8D house batteries monthly and top off with distilled water as needed.
      2. Maintain a charge during winter lay-up to avoid damage to the batteries from freezing.
      3. Fluid levels in the low maintenance Group 21and 31 batteries should be checked annually
   5. Knock Off’s battery charging system is provided by a Heart Freedom 30 inverter/battery charger.
      1. The Westerbeke starting battery is charged by the Westerbeke alternator (which was rebuilt June, 2009). Question: Is this battery also charged by the Cummins alternator?
      2. The anchor windlass battery is charged while on shore power and during operation of the Westerbeke generator by the 120 volt Heart Freedom 30 inverter/battery charger. Question: Is this battery also charged by the Cummins alternator?
      3. House batteries are charged while on shore power and during operation of the Westerbeke generator by the 120 volt Heart Freedom 30 inverter/battery charger.
   6. Switching: A battery switch mounted on the forward bulkhead in the engine room allows use of the house batteries to start the Westerbeke generator if necessary and allows use of the Westerbeke starting battery to start the Cummins engine if the house batteries are low.
      1. Normal position: One (feeds current from the Westerbeke starting battery to the Westerbeke starting system only)
      2. Alternate position: Two (feeds current from the house battery set to the Westerbeke starting system)
      3. Alternative position (not used): Both: Feeds current from all batteries to both engines
   7. Distribution Panel: The 12-volt distribution is mounted in a closed locker on the port side of the pilot house.
      1. Circuit protection is provided by magnetic marine breakers which are labeled.
      2. Master switches:
         1. A four-position selector switch located in the engine room controls current between the house batteries and the Westerbeke engine starting battery (normally set on ONE).
         2. A two-position selector switch under the froward berth controls current to the windlass motor.
         3. A four-position selector switch located in the salon below the galley sink controls current from the house batteries to the electric panel (normally set on BOTH).
2. Battery maintenance: Two 8D batteries serve as the starting battery bank for the Cummins engine as well as house batteries. Check fluid levels in each cell monthly and top off with distilled water as required. All batteries must be kept charged during winter lay-up to avoid freezing and damage to the battery cases.

Back to Table of Contents

Section 10: 120 Volt AC Electrical System

1. Dual 30 amp 125 volt receptacles are located below the port side wheelhouse door and marked as to function (house and air conditioner circuits).
2. Two 30 amp 125 volt shore cables are on board
3. The 120-volt distribution panel is mounted on the port side of the pilot house in a closed locker.
4. Circuit protection is provided by labeled magnetic trip free breakers.
5. Volt and amp meters are located on the electric panel.
6. Main disconnects: Two generator/shore power transfer switches are located next to the main electrical panel. On shore power, they are set as follows: Port side switch (for house circuits) is left ON. Starboard switch is for the air conditioners and is left OFF unless air conditioners are to be left running.
7. Galvanic isolators (located in the engine room above the house batteries) are installed on the ground leads of both circuits.

Back to Table of Contents

Section 11: Marine Head

1. Knock Off is equipped with an electric macerator type marine head using sea water for flushing. Wastewater flows from the head to a 40 gallon vented aluminum holding tank located below the forward berth.
2. A pull-push type electric switch located on the sink cabinet operates the macerator motor. Generally, operation of the motor for five to eight seconds clears the bowl of waste.
3. Waste is discharged from the boat at marine pump out facilities through a discharge port located on the forward deck.
4. Waste, when legally permitted, may be discharged using the macerator pump and sea cock located below the forward cabin sole. Operate the pump by closing the breaker marked “SUMP PUMP”
5. If the boat is to be left unattended for several days, use a garden hose to add about 10 gallons of fresh water through the head to rinse the discharge hoses leading to the holding tank. This is intended to reduce odors.
6. Deodorant chemicals may be added to the tank through the head if desired.

Back to Table of Contents

Section 12: Shower

1. A belt driven electric pump located forward of the house batteries on the port side of the engine room drains the shower sump. Before using the shower, energize the electric power to the pump by closing the breaker switch on the 12 volt side of the electric panel.
2. The red push on–push off switch for the pump is located on the starboard side of the shower stall. Operate the pump only with water in the sump and run it only until the sump is empty.

Back to Table of Contents

Section 13: Winterizing

1. Winterizing all systems which may be damaged by freezing is necessary if Knock Off is laid up and exposed to freezing temperatures.
2. Cummins engine: Winterizing the Cummin engine is done after being certain that the engine will not be re-started until spring.
   1. 1. Close the raw water intake sea cock which is located below the strainer, starboard and forward of the engine.
      2. Open the strainer using the spanner tool stored in the tool drawer.
      3. Remove the strainer basket, clean it and replace it in the strainer.
      4. Open four gallons of antifreeze (use RV type of the appropriate temperature rating with anti-corrosion additive) and place these on the cabin sole just outside the engine room door so that they can be conveniently poured into the strainer.
      5. Have an assistant start the engine and stand by on the stern deck to observe the water flow from the exhaust system.
      6. Carefully all four gallons of antifreeze into the strainer.
      7. The exhaust water should indicate the presence of antifreeze after two or three gallons are added to the strainer.
      8. After the fourth gallon is added, shut down the engine, replace the strainer lid and reopen the sea cock.
3. Westerbeke engine: Winterizing the generator engine is done after being certain that the engine will not be re-started until spring.
   1. 1. Close the raw water intake sea cock which is located below the strainer in a hard-to-reach area aft of the generator.
      2. Open the strainer by loosening the wing-nuts which hold the cover in place being careful not the drop the nuts or washer into the bilge below.
      3. Remove the strainer basket, clean it and replace it in the strainer.
      4. Open two gallons of antifreeze (use RV type of the appropriate temperature rating with anti-corrosion additive) and place these on the cabin sole just outside the engine room door so that they can be conveniently poured into the strainer.
      5. Have an assistant start the engine and stand by on at the starboard wheelhouse door to observe the water flow from the exhaust system.
      6. Carefully pour both gallons of antifreeze into the strainer.
      7. The exhaust water should indicate presence of antifreeze after two or three gallons are added to the strainer.
      8. After the second gallon is added, shut down the engine, replace the strainer lid and re-open the sea cock.
4. The Westerbeke and Cummins engine raw water pump impellers should be removed during winter lay-up. This provides an opportunity to inspect the condition of each impeller and avoids “freezing” the impeller vanes in the pump housing.
5. Domestic water system: Approximately 14 gallons of RV water system antifreeze (for potable water systems) is required using the method described. (Walmart price in 2009 was $3.99/gallon.) This method puts antifreeze in the hot water tank. An alternate method using less antifreeze may be used in which both the cold water supply and hot water out-let tubes on the hot water heater are disconnected and a plastic pipe jumper pipe is inserted between the inlet and outlet. I find doing so more difficult to bear than the price of a few extra gallons of antifreeze.
   1. Using one or more hot and cold water faucets, run both water tanks dry; manually pump out water remaining below the suction tube if desired; reset valves to port tank OPEN, starboard tank CLOSED.
   2. Drain the hot water heater (be sure electric heater element switch is OFF); open pressure relief valve to fully drain the tank, then close both the drain and pressure relief valves.
   3. Add nine gallons of antifreeze to the empty port water tank. With the port tank valve OPEN and starboard tank value CLOSED, open the hot water tap at the galley sink and run until pink antifreeze appears; repeat with cold water tap.
   4. Open hot water tap at the deck shower and run until antifreeze appears; repeat with cold water tap; make sure not to run all the antifreeze from the port tank.
   5. Add 5 gallons of antifreeze to the empty starboard water tank.
   6. Reset port tank water supply valve to OPEN and starboard tank value to CLOSED.
   7. At the head lavatory sink, run hot and cold taps until antifreeze appears.
   8. At the shower lavatory sink, run hot and cold taps until antifreeze appears.
   9. Run the shower hot and cold water until antifreeze appears.
   10. Turn OFF the Water Pressure circuit breaker.
6. Head and holding tank:
   1. 1. Flush and pump out the holding tank at a marine pump out station.
      2. Using a garden hose, add five or more gallons of fresh water to the holding tank through the head and five or more gallons of fresh water through the pump out fitting on deck.
      3. Open the sea cock (located under the forward cabin sole) which drains the holding tank; pump out the fresh water just added to the holding tank using the macerator sump pump
      4. Close the sea cock and add two gallons of antifreeze to the holding tank through the head.
      5. Again open the sea cock and run the macerator sump pump one minute so that antifreeze is moved through the pump and sea cock; close the sea cock.
      6. Note: This process does not add antifreeze to the head raw water intake. As Knock Off is normally stored on land, the intake drains completely as the boat is removed from the water. How to protect the intake piping if the boat is left in the water is not known at this time.
7. Shower sump: Add one gallon of antifreeze to the shower sump and pump it out using the shower sump pump.
8. Sea water wash down pump system:
   1. 1. Note: A red LED indicator light on the console glows when the pump switch is on.
      2. Remove the garden hose from the forward deck mounted hose bib and store the hose for the winter.
      3. Close the sea cock located in the bilge below the forward cabin sole.
      4. Remove the cover from the raw water strainer located below the forward cabin sole. Using a manual pump, remove as much water as possible from the strainer bowl.
      5. Top off the bowl with antifreeze and replace the cover.
      6. If the boat will be stored on land during winter, open the sea cock after the boat is blocked on land
      7. Bilges: Add about two gallons of antifreeze to the aft bilge area near the shaft log and briefly run the aft bilge pump.
      8. Air conditioner compressors:
      9. Forward water pump (located below the wash down pump shelf which is located beneath the forward berth). Reaching this pump requires loosening screws that support the shelf above the pump and having a helper hold the shelf and wash down pump out of the way.
         1. Close the sea cock located below the house batteries.
         2. Loosen the four screws in the water pump and allow all water to drain from the system into the bilge.
         3. Re-tighten the four screws on the pump housing.
      10. Forward water strainer (located next to the wash down pump strainer beneath the forward cabin sole.
          1. Remove the strainer cover.
          2. Pump our any remaining sea water in the strainer body.
          3. Fill with antifreeze and replace stainer cover.
      11. Aft water pump (located in the storage area below the aft deck, starboard side).
          1. Remove the dock line storage baskets from the compartment.
          2. Close the sea cock located just inboard of the compressor unit.
          3. Loosen the four screws in the water pump and allow all water to drain from the system into the bilge.
          4. Re-tighten the four screws on the pump housing.
      12. Aft water strainer:
          1. Remove the strainer cover.
          2. Pump our any remaining sea water in the strainer body.
          3. Fill with antifreeze and replace stainer cover.
      13. RE-OPEN BOTH SEA COCKS AFTER KNOCK OFF HAS BEEN BLOCKED ON LAND OR LEAVE THEM CLOSED UNTIL THE NEXT SEASON.

Back to Table of Contents

Section 14: Spring Re-commissioning

1. Re-install raw water impellers in both engines.
2. Check engine oil and coolant levels.
3. Check transmission level.
4. Open engine cooling water sea cocks.
5. Open air conditioner cooling water sea cocks.
6. Open sea water wash down pump sea cock.
7. Domestic water system:
   1. 1. Fill and drain both water tanks.
      2. Refill both tanks and add two gallons of white vinegar to each; drain both tanks. (The vinegar rinse may be skipped if the hot water tank was by-passed during fall lay-up.)
      3. Fill and drain both water tanks twice.
      4. Refill both tanks and add two ounces of chlorine bleach to each tank.

Back to Table of Contents

Section 15: Changing Lubricating Oil and Filters in Knock Off’s Engines

1. Knock Off is equipped with a “Reverso” engine oil changing system. A pump and switch are located in the engine room on the starboard bulkhead.
2. Prepare the Reverso system for draining either engine by removing the cap nut on the discharge hose.
3. Cummins engine:
   1. Frequency recommended: At the 2008 LNVT rendezvous in Annapolis, a Cummins technical representative recommended changing engine oil and filter at least once a year or after 100 hours, whichever is sooner. Generally, both engines have received fresh oil before winter lay up, regardless of hours run.
   2. Supplies required:
      1. Ten quarts of oil (Rotela Synthetic 10W40).
      2. The filter is NAPA 1602 or Fleetguard LF3345.
      3. Three empty one gallon containers suitable for holding used oil.
   3. The engine should be warmed to normal operating temperature and stopped (of course) before draining the oil.
   4. While holding the discharge hose into the neck of a waste oil container, turn the Reverso pump ON (switch in drain position). When each container is filled, stop the pump and begin again with an empty container. When all the oil is drained, the hose will sputter out drops of oil for a few moments.
   5. Replace the discharge hose cap.
   6. Using the oil filter removal wrench (stored on the shelf with the air compressor), loosen the oil filter.
   7. Slip a a two-quart plastic zip-lock bag under the oil filter (located on the starboard side of the engine below the heat exchanger) and bring the bag up over the filer so that any spilled oil will be captured in the bag.
   8. Spin off the oil filter and close it within the bag.
   9. Be sure the rubber gasket on the old filter was removed and did not remain on the engine.
   10. Before installing the new filter, coat the gasket with oil
   11. Spin on the new filter and tighten it “hand tight”
   12. Add 10 quarts of oil, check engine oil level on the dipstick. It should be a bit above mid way between the marks.
   13. Run engine briefly and recheck engine oil level. Add oil as necessary to bring oil level to about 1/4" below the high oil mark on the dipstick.
4. Westerbeke generator engine:
   1. Change the engine oil and filter after 100 hours but at least once a year.
   2. Supplies required:
      1. Three quarts of oil (Rotela 10W40) are required
      2. The filter is Westerbeke #36918.
   3. Empty one gallon containers suitable for holding used oil.
   4. The engine should be operated to normal operating temperature before draining the oil.
   5. While holding the discharge hose into the neck of a waste oil container, turn the Reverso pump on. When the first container is filled, stop the pump and begin again with an empty container. When all the oil is drained, the hose will sputter out drops of oil for a few moments.
   6. Replace the discharge hose cap.
   7. Using the oil filter removal wrench (stored on the shelf with the air compressor), loosen the oil filter.
   8. Slip a a two-quart plastic zip-lock bag under the oil filter (located on the port side of the engine) and bring the bag up over the filer so that any spilled oil will be captured in the bag.
   9. Spin off the oil filter and close it within the bag.
   10. Be sure the rubber gasket on the old filter was removed and did not remain on the engine.
   11. Before installing the new filter, coat the gasket with oil.
   12. Spin on the new filter and tighten it “hand tight”.
   13. Add three quarts of oil, check engine oil level on the dipstick. It should be a bit above mid way between the marks.
   14. Run engine briefly and recheck engine oil level. Add oil as necessary to bring oil level to just below the high oil mark on the dipstick.
5. The Reverso system may be used to add fresh oil to either engine by connecting a hose and tube assembly to the drain tube, inserting the drain tube in the jug of fresh oil and operating the switch in FILL mode.

Back to Table of Contents

Section 16: Crankcase Breather Filter

1. A hose on the port side of the Cummins engine discharges crankcase blow-by fumes. A porous filter made of oil absorbing cloth is installed at the end of the hose to catch oil condensing from the fumes and reduce oil accumulations in the bilge..
2. An air hose leading to the air filter is mounted at the end of the crankcase blow-by discharge so that fumes leaving the filter will be drawn into the hose and directed back into the engine. This device is intended to reduce odors in the engine room.
3. The filter should be checked and replaced when soiled.
4. Nothing should obstruct the breather hose.

Back to Table of Contents

Section 17: Checking and Changing Transmission Fluid

1. The transmission fluid dipstick is located on the port side of the transmission, however, it is reached best from the starboard side. Loosen the dipstick by turning the handle counter-clockwise. Fluid should be clear red and not closer than 1/4" from the full mark. Overfilling will result in leaks.
2. Remove and replace transmission fluid annually. A suction pump with a 1/4" diameter plastic suction line is required to remove the old fluid.
3. Refill the transmission with __ ounces of .

Back to Table of Contents

Section 18: Galvanic Protection

1. Knock Off is equipped with a bonding system consisting of a common bonding conductor connected to the negative side of the electrical system and branch bonding conductors to each non-current-carrying metallic parts of electrical equipment. Knock Off’s bonding system was inspected and upgraded while she was on land in January, 2008. A diagram of the bonding system follows this manual.
2. Knock Off carries four exterior zinc anodes for galvanic protection:
   1. 1. Collar zinc on the drive shaft just aft of the cutlass bearing.
      2. Propeller nut zinc attached to the propeller (type H).
      3. Two 5" heavy zincs attached to the stainless steel rudder.
3. Replacing engine “pencil” zincs: Both engines have zincs located in their heat exchanger. Zincs should be checks twice a year and replaced if eroded. In both engines, the zinc is found attached to a nut on the under side of the heat exchanger. Remove the nut and, using pliers, unscrew the remains of the zinc. Replace with a new zinc, tightened to the nut, and replace the nut.
4. Galvanic isolators (located in the engine room above the house batteries) are installed on the ground leads of both circuits.

Back to Table of Contents

Section 19: Electric Range

1. Knock Off’s 120 VAC galley range and stove is a Seaward Princess "Euro" model with sealed burners and a lifting cover. Use care when opening and closing the cover so as not to damage the hinge. The range was new in 2006.
2. Connection to shore power or use of the generator is required. The power transfer switch must be set to generator or shore power as appropriate.
3. Close the RANGE circuit breaker on the main electrical panel
4. Select “Stove top” or “Oven” on the range. Top burners and the oven cannot be used at the same time.
5. Set the temperature control as desired.
6. On ship’s power, current is generally not sufficient to operate the range, more than one air conditioner and the battery charger at the same time. If circuit breakers trip, reduce the load.
7. If the range fails to operate, check the safety shut-off switch (right rear of surface below the lift top) which is activated by raising the top.

Back to Table of Contents

Section 20: Operating the Generator

1. Knock Off is equipped with an 8.0 KW Westerbeke water cooled 120 VAC diesel electric generator (Model 8.0 BTD; serial number 48476-C-607).
2. Starting the engine
   1. Both shore/generator transfer switches (located in the wheelhouse) must be in OFF or in SHORE POWER positions.
   2. Check engine oil and engine coolant levels. The oil dipstick is located on the port side of the engine. The coolant reservoir is mounted on the engine room forward bulkhead.
   3. The fuel supply valve for the engine is located in the fuel line next to a Racor fuel filter just inside and below the engine room door.
   4. Engine electrical controls (preheat, start and stop switches) are located next to the wheel.
   5. Hold the preheat switch ON for 15 seconds. While continuing to hold the preheat switch ON, hold the start switch down (ON) until the engine starts. Continue to hold the preheat switch (but NOT the start switch) ON for two or three seconds after the engine starts to allow oil pressure to rise to normal. (The engine has a low oil pressure safety switch that stops the engine if oil pressure is too low. The preheat switch overrides this function.)
   6. Turn the main electrical switch for house power (left switch) to “generator” and apply electrical loads desired.
   7. Stopping the generator engine
   8. Disconnect all electrical loads; turn main electrical switches OFF
   9. Press stop switch until engine stops.
3. Mechanic’s safety switch. If the engine starter fails to engage, the mechanic’s safety switch may be in the OFF position. The switch is located on the forward side of the engine.

Back to Table of Contents

Section 21: Fueling the Boat

1. Knock Off’s fuel consumption rate at normal cruising speed (1,900 to 1,950 rpm or about 7.0 knots) is about 1.5 gallons per hour. The yacht has four fuel tanks. Three are dedicated to the drive engine and hold about 180 gallons total. If a 30 gallons reserve is maintained, 150 gallons is available for cruising and allow 100 hours under way.
2. Racor water separators and standard canisters type filters are installed in both the Cummins and Westerbeke fuel supply lines.
3. Fuel tanks vent through the transom.
4. Tanks and controls: Knock Off is equipped with four fuel tanks of about 60 gallons each (total capacity is said to be 240 gallons) and a system of fuel tank selector valves that control supply and return from the engines. (Both diesel engines return unneeded/unburned fuel to their tanks while running).
   1. Eight fuel valves are located below the main cabin sole on the starboard side. A wood handle stored at the valve bank makes valve operation easier.
   2. The port side/aft tank is plumbed to supply fuel exclusively to the Westerbeke generator. (See Polishing Fuel, below). Both the supply and return valves on this tank, which are marked, should be in the OPEN position at all times.
   3. The three other tanks supply fuel to the Cummins engine. Under normal operation, all fuel supply and return valves are OPEN. Fuel is drawn by the engine fuel pump from all tanks simultaneously and returning fuel flows to the point of least resistance–generally the tank with the least fuel. (Some LNVT owners operate while drawing fuel from only one tank. Operating with all tanks ON provides continuous filtration of all fuel.)
   4. The tanks were cleaned in 2007 and the inspection cover gaskets were replaced in 2008.
5. Measuring fuel levels: Because no fuel gauges are installed on Knock Off the fuel level in each tank is measured using marked wooden dip sticks (one for each tank). As the tanks have trapezoidal cross sections, each inch of fuel measured in the tanks represent a different volumes of fuel. The lower the tank level, the fewer gallons of fuel per inch.
6. Adding fuel: Fuel fill ports (marked DIESEL) are located on the starboard and port side decks. Each serve the two tanks on their respective side of the boat. Thus, fuel pumped to the starboard fill will flow into the starboard tanks via a tee connection. Add fuel slowly to the tanks. Periodically, sound each tank to determine how much additional fuel can be added. The dip sticks are marked in one inch increments and at the full level. CAUTION MUST BE USED TO MAKE CERTAIN THAT FUEL IS NOT ADDED TO THE WATER TANKS. DECK FILLS ARE MARKED.
7. Additives: The following fuel additives have been used at the label rates since 2005
   1. Stanadyne: This additive improves Cetane and decreases smoking.
   2. Pri-D Diesel Treatment is said to stabilize diesel for longer storage life.
   3. BioBor is said to provides control of diesel fuel fungus and bacteria that clogs filters, plugs fuel lines and produces injector nozzle deposits which cause engine failures. It is said also to sterilizes fuel systems by destroying sludge and slime.

Back to Table of Contents

Section 22: Polishing Fuel

1. Knock Off is equipped with a fuel polishing system which, in addition to providing high level filtration of fuel, allows movement of fuel between tanks. For example, not much fuel is used use from the generator tank (port side/aft) during a season. As a result, fuel in this tank ages and is subject to fouling. The fuel polishing system allows fuel from this tank to be moved to one or more of the drive engine tanks and fresh fuel can then be added via the deck fill or moved from one of the drive engine tanks.
2. Valves controlling the polishing system (labeled PV-1 through PV-4) are located below the main cabin sole just aft of the companionway to the wheelhouse.
3. The fuel polishing pump and Racor filter (using a 2 micron element) are mounted on the starboard side engine room bulkhead below the companionway.
4. Operating the system to polish fuel in the generator tank is done with the boat at rest.
   1. Close the generator fuel supply valve in the engine room (just inside the engine room door).
   2. Open valves PV-3 and PV-4; supply and return fuel tank valves (normally open) are open during the operation
   3. Turn on the fuel polishing pump and run it for the desired time. The fuel polishing pump has a rated capacity of 43 gallons per hour at 7 PSI. Estimated working flow rate is 30 to 35 GPH.
   4. Turn off the pump
   5. Close valves PV-3 and PV-4; supply and return fuel tank valves (normally open) remain open.
   6. Last: Open the generator fuel supply valve in the engine room.
   7. Operating the system to polish fuel simultaneously in all three of the drive engine tanks is done with the boat at rest.
      1. Close the Cummins engine fuel supply valve in the engine room (located below the house batteries, port side of the engine room)
      2. Open valves PV-1 and PV-2; all six supply and return fuel tank valves (normally open) are open during the operation
      3. Turn on the fuel polishing pump and run it for the desired time. The fuel polishing pump has a rated capacity of about 30 to 35 gallons per hour.
      4. Turn off the pump and close valves PV-1 and PV-2; supply and return fuel tank valves (normally open) remain open.
      5. Last: Open the Cummins engine fuel supply valve in the engine room.
5. Operating the system to move fuel from the generator tank to any drive engine tank (in this case the forward starboard tank)
   1. Close both the Cummins and generator engine fuel supply valves in the engine room and open valves PV-3 and PV-4
   2. Set tank valves as follows:
      1. Port aft supply: Open
      2. Port aft return: Closed
      3. Forward starboard supply: Closed
      4. Forward starboard return: Open
      5. All other tank valves: Closed
   3. Turn on the fuel polishing pump and run it for the desired time.
   4. Turn off the pump and close valves PV-3 and PV-4.
   5. Open all fuel tank valves.
   6. Last: Open the Cummins and generator engine fuel supply valves

Back to Table of Contents

PICTURE

Section 23: Running Out of Fuel

1. Knock Off is not equipped with fuel tank gauges. Depending on how selector valves for the three tanks dedicated to the Cummins drive engine are set, running out of fuel can be a minor annoyance or a major problem.
2. When running out of fuel, the Cummins will likely (and only briefly and intermittently ) speed up as air is drawn into the injectors. That provides a signal that engine speed should be immediately reduced to idle and the selector valves re-set so that fuel is drawn from a full tank (if available).
3. If one of the three tanks which supply the drive engine has fuel available and the engine has continued to run after the symptoms above occur, the engine may not die. If it dies despite the change in tanks, restarting the engine may require the following:
   1. Enter the engine room from the hatch in the wheelhouse floor.
   2. Find the manual fuel pump lever located on the port side of the engine
      1. Move the pump lever until resistence if felt indicating that fuel has been moved to the injector pump. This “lift” or “fuel transfer pump” is driven by a lever which rides on the camshaft. Cranking the engine may be necessary to move the cam lobe to the right position for the manual pump lever to work.
      2. Try to re-start the engine.
4. If the engine fails to re-start immediately, return to the engine room and proceed to bleed air from the injector pump as follows:
   1. 1. Using a small wrench from a set of mini-wrenches in the tool drawer, loosen the top screw in the injector pump housing.
      2. Crank the engine. Do not use manual pump now. If it starts immediately, tighten the screw and get under way.
5. If the engine fails to start after opening the forward bleed screw, bleed lower from the aft screw as follows:
   1. Using a wrench, loosen the forward screw in the injector pump housing.
   2. Crank the engine. If it starts immediately, tighten the screw and get under way.
   3. If the engine fails to start, call a tow service.
6. If all three dedicated engine tanks are empty, consider moving fuel with the fuel polishing system from the generator supply tank to one of the engine tanks and proceed as above.

Back to Table of Contents

INSERT PHOTO HERE

Section 24: Domestic Water Storage and Supply

1. Knock Off has two 90 gallon stainless steel water storage tanks located under the galley sole.
2. The domestic hot water heater is an 8.0 gallons Atwood 120-volt. The tank is located on the port side of the engine room. A heat exchanger uses engine coolant to heat water while the Cummins engine is running.
3. The West Marine water pump is located above the house batteries was new in May, 2008. A 0.63 liter accumulator tank was installed in 2009.
4. Valves controlling the flow of water from each tank are located under the galley sole. A wood handle makes turn the valves easier.
5. Generally, water is drawn from only one tank at a time and the valves are set accordingly.
6. Two water fills are located on the side deck, however, fill the tanks by opening the inspection ports on the top of each tank. To make certain that water cannot be accidentally added to the fuel tanks DO NOT USE THE DECK FILLS!

Back to Table of Contents

Section 25: Propane Grill

1. Spare propane tanks are stored in the cabinet at the base of the smoke stack.

Back to Table of Contents

Section 26: Air Conditioners

1. Knock Off’s two 120 VAC, 16,000 BTU, water cooled, Cruisair air conditioner compressors are located under the forward berth one under the stern deck. Air handlers are located in the salon, in the cabinet on the port side of the wheelhouse and beneath the forward cabin closet. (Note: Check this)
2. Electric power is supplied by either the generator or shore power connections through the marked generator/shore power selector switch in the wheelhouse and a dedicated circuit breaker/voltmeter located to the right of the selector switches. In addition, circuit breakers in the main electric panel control current to the units.
3. Operating controls are found on the air handler cabinet in the main salon (for the aft unit) and in the wheelhouse next to the electric panel (for the forward unit).
4. Operation of both units simultaneously seems to draw more current than can be handled by the circuit breakers.

Back to Table of Contents

Section 27: Safety Equipment

1. Bilge pumps: Knock Off is equipped with one manual and two electric bilge pumps as follows:
   1. A Rule 500 gallon per hour rated aft electric bilge pump is located in the bilge below the shaft aft of the refrigerator cabinet and is controlled by an electronic bilge water sensor switch. Power is supplied from the battery through a Rule 3-way lighted bilge pump switch (ON-AUTO-OFF) marked “AFT” and mounted on the port side of the wheelhouse. The red indicator light glows when the pump is running. This switch is always left in the AUTO position. Pump operation may be tested by moving the switch to the ON position. The spring loaded switch will return to OFF. ALWAYS MAKE SURE THE BILGE PUMP IS ON WHILE UNDER WAY.
   2. A Rule __ gallon per hour rated pump is located in the engine room bilge just forward of the Cummins engine. Because it is not equipped with a float switch or water sensor, it operates only when the breaker switch (marked BILGE PUMP MANUAL) is closed. Note: At this time, the forward bilge pump circuit is not routed through the Rule 3-way lighted switch marked “FWD” in the wheelhouse.
   3. The manual whale type bilge pump, located on the cabinet wall below the galley sink, is operated using a round stainless steel handle which is inserted in the pump. The intake is located in the bilge below the refrigerator. The pump handle is stored in one of the two companionway tool drawers.
   4. Type II personal flotation devices are stored beneath the settee next to the aft doors.
2. A ring buoy is mounted on the stern bulwark.
3. A flare kit is stored in a drawer below the forward berth
4. Type ABC fire extinguishers are mounted above the settee and in the wheelhouse (new January, 2010)
5. An air horn is stored on the shelf above the companionway ladder to the forward cabin. A bell is mounted by the aft door.
6. The engine room blower is mounted in the bilges just below the support post in the salon and is switched on at the 12 VAC electric panel during operation of either engine.
7. The carbon-dioxide alarm is mounted below the stereo and powered on same circuit

Back to Table of Contents

Section 28: Service Intervals

Object to Check/Change	Period
Check coolant hoses to hot water heater	Annually
Change thermostat	Every 2 years
Change air filter	As needed
Change fuel filters	Fall
Check house battery fluid levels	Monthly
Check Group 21 and 31 batteries	Annually
Add stabilizers and biocide to fuel	As needed
Adjust valves	Fall
Radiator cap (Gates 16 psi No. 31528)	Every 2 years
Change coolant	Every 2 years
Check coolant cap for brown sludge	Annually
Check coolant overflow tube to expansion tank – blocked?	Annually
Change transmission fluid - add leak stop (one quart Dextron III ATF)	Annually
Re-plumb fuel lines so that port-starboard tank can fuel engine	Winter
Check shore power connection terminals/set screws	Annually
Pencil zincs (Cummins uses Camp E-1)	Twice yearly
Change Cummins impeller	100 hours
Replace anti-freeze (Cummins–3 gallons 50/50 mix)	Every 2 years
Steering cable (inspect and lube as needed)	Annually
Check engine mounts	Annually
Bomar hatch lubrication	Annually

Back to Table of Contents

Section 29: Parts

1. Cummins engine: Model 4BT3.917, Serial Number 44160373
2. Cummins: Sherwood impeller; Sherwood 10615K
3. Sherwood pump: M71
4. Oil filter: NAPA No. 1602 or Fleetgard No. LF3345
5. Fuel filter (secondary): OEM #3903410; FRAM #P3401; Fleetguard #FF5052
6. Air filter: Durealite #AH1136DC
7. Serpentine belt: Dayco #5080537
8. Thermostat: Cummins #38802273
9. Westerbeke engine: BT.8.0 SN 48476 - C607
10. Oil filter: Westerbeke #36918; FRAM #3593A
11. Fuel filters: WPN No. 30548; Lift pump fuel filter: 30200
12. Racor fuel filters (10 micron and 2 micon); No. 2010
13. Model No. 500FG, Racor PN 2010SM: Element FS1208
14. Dahl fuel filter No. 61

Back to Table of Contents

Section 30: On Board Manuals

1. Cummins Trouble Shooting Guide and Parts List
2. Cummins Operations Manual
3. Westerbeake Operator’s Manual
4. Westergbeake Technical Manual
5. ICOM ICM502 Instruction Manual
6. Knock Off VHG Radio Operations
7. Garmin GPSMap 492 Owners Manual
8. Link 2000 Owners Manual
9. Lowrance LORAN Installation and Owners Manual
10. Raytheon RADAR Manual
11. Raritan Head Manual
12. Heart Interface Inverter-Charger Operations and Maintenance Manual
13. Cruisaire Air Conditioner Manual
14. PAR Electric Bilge Pump (shower sump discharge pump)
15. RACOR filter manual
16. Aqualarm Exhaust Overheat Instruction Manual
17. “SW” Brand fuel pump manual (fuel polishing pump)
18. Reverso Oil Change System Operations Instructions
19. Maxwsell Windlass Manual
20. Algae X manual
21. Rayline Searchlight Installation and Operations Manual
22. Kahlenberg Air Whistle Manual
23. Boatpool Instruction
24. SIMRAD Autohelm Manual
25. Raytheon Depth Instrument Manual

Back to Table of Contents

Footnotes

1. USCG doc shows sales from Admiralty, Ltd, to Sylvia Mounger, Nov 28 1986. Then, a month later Mounger conveyed the yacht to Richards. Data from USCG title documents.