MJM Yachts LLC 34z Downeast Owner'S Manual Download Page 26 | Manualshive

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CHAPTER 6

ELECTRICAL SYSTEM

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34z

Check that AC VOLTS are now reading on the AC digital meter.

Turn the breakers ON for items you wish to operate.

Note: if the generator starts, but no AC voltage is detected at the panel, check first that the
selector switches (sliding interlocks) at the top of the AC panel are configured correctly. If this
does not solve the problem, there is a possibility the generator was overloaded and the AC
breaker on the generator itself has tripped due to a momentary overload. Open the generator
hatch and reset the AC Output Circuit Breaker (located on the control box, where the wires are
connected).

STOP: Depress STOP switch until the generator stops completely

BOW

STERN

AC Output Breaker
Switch

Operating Instructions

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Summary of Contents for 34z Downeast

Page 1: ... s own manual with trouble shooting procedures etc is the primary source and authority A National Marine Manufacturer s Association NMMA publication Sportfish Cruisers Yachts accompanies and forms part of this 34z Owner Manual This booklet has many universal handling and operating tips worth reviewing This Owner Manual is designed to be a living document not only for builder updates but for your o...

Page 2: ...ngth Waterline 31 3 ft Beam 11 0 ft Draft 2 4 ft Displacement 1 2 load 10 600 lbs Fuel Tanks combined 144 gals Fresh Water Tank 55 gals Hot Water Tank 10 gals Holding Tank 20 gals Electrical Service 12VDC 120VAC 60Hz Single Phase Height over Water w radar 9 5 ft Height over Road w radar on trailer Check as will vary by trailer Approx 13 2 ft ...

Page 3: ... 4 DIA PITCH 22x27 OTHER Right Hand MJM YACHTS LLC CONTACT Robert L Johnstone PHONE 617 723 3629 MA MOBILE 401 862 4367 FAX 617 723 3643 Email bobj mjmyachts com ADDRESS 89 Pinckney St Boston MA 02114 NAVAL ARCHITECT NAME Doug Zurn FIRM Zurn Yacht Design PHONE 781 639 0678 ADDRESS 89 Front St Marblehead MA 01945 LICENSED BUILDER NAME Boston BoatWorks LLC CONTACT Scott R S Smith PHONE 617 561 9111 ...

Page 4: ... ISO 10240 1995 E the owner hereby certifies receipt of this manual and has read and agrees to the terms of the Builder s Limited Warranty included herein Signature Printed Name Date Boat Name Hull Address City State Zip Tel Email NOTE PLEASE SIGN ONE OF THE TWO COPIES OF THIS PAGE AND RETURN IT IN THE ATTACHED STAMPED ENVELOPE TO MJM YACHTS at 89 Pinckney Street Boston MA 02114 Denotes an extreme...

Page 5: ...R CHAPTER 7 FRESHWATER SYSTEM 7 1 GENERAL 7 2 FILLING 7 3 USING MAINTAINING 7 4 HOT WATER 7 5 WATER PURIFIER CHAPTER 8 RAW WATER SYSTEM 8 1 GENERAL 8 2 ENGINE RAW WATER 8 3 ADDITIONAL RAW WATER USES CHAPTER 9 GRAY WATER SYSTEM 9 1 GENERAL 9 2 GRAY WATER TANK 9 3 BILGE PUMPS 9 4 COMMON DRAINS CHAPTER 10 EXTERIOR EQUIPMENT 10 1 GENERAL 10 2 ANCHOR WINDLASS 10 3 PILOTHOUSE CURTAINS 10 4 TRANSOM DOOR ...

Page 6: ... Please review the topics in this manual before relying on the checklist it is simply an at a glance sheet to insure that you don t overlook anything important 1 3 OPERATING PROCEDURES ENGINE INSPECTION To access the propulsion system the bridge deck must be tilted up The procedure is as follows Make sure personnel and equipment are clear of any moving parts before operating Turn ON house battery ...

Page 7: ...ort starboard compensator until the compass reads correctly 3 Reversing direction run the boat southerly again keeping the marks lined up If the compass is not correct at this time there is an alignment error To correct rotate the compass itself to remove one half of this error Repeat Steps 1 and 2 and then recheck this Step 3 4 Simply repeat the procedures of Steps 1 2 and 3 except this time usin...

Page 8: ...klist Fire Extinguisher In addition to the automatic fire suppression system fitted in the engine space you are required to carry at least one type B 1 extinguisher aboard which is located outboard of the port helm seat This should be checked regularly EPIRB Especially if operating offshore an EPIRB electronic position indicating radio beacon is recommended Ships Papers Registration You should car...

Page 9: ...own as many circuits as practical when leaving the boat Do not leave appliances running while unattended Have your fire suppression equipment inspected regularly and learn how to use it An automatic fire suppression system is installed on every boat in the engine space It is heat activated Read the information that comes with the equipment The system can also be manually activated at the helm stat...

Page 10: ...have an adequate supply of raw water and coolant Before starting the engine the raw water intake seacock should be checked the strainer visually inspected and the coolant level checked Coolant should be visible in the plastic reservoir just forward of the engine If it is not remove the filler cap and check the level there Do not attempt to remove the coolant cap of a hot engine For details on what...

Page 11: ... in marinas or could indicate if excessive wear is noted an electrical short on the boat etc Inspect these periodically at the time of oil changes and remove the corroded area on the surface replacing them when they ve deteriorated to less than 50 of original size Otherwise corrosion of the seawater cooling system will occur and water leakage or parts breakage will result Be sure to close the King...

Page 12: ...r is clean the engine has sufficient oil and coolant and that there are no restrictions to the air intake grills Check that the fuel selector switch is in either the PORT STARBOARD or BOTH position Also the throttle must be in the neutral position Insure that no one is in the water near the boat and that all machinery space hatches are closed Check the state of the batteries to insure that there h...

Page 13: ...udder immediately behind It is uncommon in docking situations to ever need more than a short momentary forward or reverse thrust Crabbing Sideways Since there is more directional response with the helm hard over in forward than in reverse due to the prop wash bouncing off the rudder it is possible in combination with the bow thruster to crab the boat sideways for an eggshell landing For example to...

Page 14: ...when you need something in a hurry Some of the instruments on the console are powered by the ignition switch and will not function without the key in the ON position much like a car 4 2 STEERING Steering of the 34z is a manual hydraulic system The helm that you control at the console turns a pump which drives hydraulic steering fluid to the cylinder mounted aft by the rudderpost The cylinder drive...

Page 15: ...own to lift the port aft corner of the boat Trim tabs aren t necessary at low or high speeds They are useful in lowering the bow for better visibility or for slicing through a small chop at moderate speeds At higher speeds when the boat naturally runs flatter and when running downsea into the back of waves it s advisable to raise the trim tabs for dry running and control allowing the bow to lift L...

Page 16: ...Repeat Steps 1 thru 5 If no leaks are obvious your steering system is ready for use If leaks are found correct before using Failure to correct a leak can lower oil level in system and result in loss of steering Suggested 34z Procedure 1 Screw the plastic filler hose found in a galley drawer into the filler cap s socket before connecting it to the Seastar plastic bottle 2 Loop the hose over 180 deg...

Page 17: ...m cylinder or auto pilot These instructions will result in hydraulic oil flushed in and out of the system Oil can be reused if filtered through a fine mesh screen such as used for gasoline If unable to filter oil an additional bottle of oil is required Bleeder may refer to cylinders fitted with bleed tee fittings or bleed screws If fitted with bleed tee fitting open bleeder by unscrewing bleed nip...

Page 18: ...Step 4 Continue turning the steering wheel counter clock wise until the cylinder rod is fully extended at other side of cylinder Steering wheel will come to a stop Open bleeder Step 5 Holding the cylinder rod to prevent it from moving back into the cylinder turn the steering wheel clockwise until a steady stream of air free oil comes out of bleeder While continuing to turn the wheel close the blee...

Page 19: ...ve open you will get some transfer to the opposite tank As the tank is filled vapor escapes the tank thru the vent Overflow is prevented by an in line fuel air separator that will not allow fuel to pass However caution should be taken while filling Check the fuel level gauges and listen for the rise in pitch at the deck fill as fuel reaches the top Shut off the nozzle immediately Do not attempt to...

Page 20: ... speed is 31 knots 35 7 mph at 3300 rpm then the approximate fuel efficiency is 31 divided by 22 59 from the table below or 1 4 nautical miles per gallon Diesel engines are more efficient when run at about 85 of maximum rpm The maximum rated rpm of this engine at propeller load is 3450 rpm If you selected 2500 rpm and realized a 23 knot cruising speed the theoretical fuel consumption would be 2 3 ...

Page 21: ...CHAPTER 5 FUEL SYSTEM 21 34z 34z FUEL CONSUMPTION LOG Engine Hours Consumption Date Marina Fuel Dock Current Since Last Fill Diesel Gals Gals Ho urs COMMENTS ...

Page 22: ...ator both banks are automatically charged AGM batteries are essentially no maintenance Do not attempt to open the batteries Other than keeping them properly charged stored and clean especially between the terminals there is virtually nothing you need to do to them The battery charger is factory set specifically for AGMs If the engine is not running the batteries can be charged via the battery char...

Page 23: ... breaker on the AC panel must be ON Refer to the inverter charger manual for more information AC PANEL 2 Because your batteries would not last long supplying high amperage water heater or air conditioning systems these items CANNOT be powered by the inverter and are therefore isolated on the aft 2 AC Panel which is directly fed by a separate shore power cord that by passes the inverter When the Sh...

Page 24: ...e supplied to the forward AC Panel 1 which includes those items which may be run from the inverter alone although not necessarily all at the same time for very long The inverter can only be powered by the house bank but can monitor both the house and engine start banks When finished using AC power through the inverter push INVERT again to turn off On the remote panel BATTERY 1 selects the house ba...

Page 25: ...ead and understand the important safety precautions included in the included NMMA publication Sportfish Cruisers Yachts Owner s Manual concerning electrical safety 6 8 GENERATOR OPERATION Optional Westerbeke 5 0 BTBD If fitted a generator can be used to create AC power which in turn can charge the batteries run air conditioning water heater etc The generator starting procedure is as follows Make s...

Page 26: ...rlocks at the top of the AC panel are configured correctly If this does not solve the problem there is a possibility the generator was overloaded and the AC breaker on the generator itself has tripped due to a momentary overload Open the generator hatch and reset the AC Output Circuit Breaker located on the control box where the wires are connected STOP Depress STOP switch until the generator stop...

Page 27: ...mp The strainer should be checked periodically and cleaned if necessary 7 4 HOT WATER Water in the ten gallon hot water tank is heated in one of 2 ways 1 whenever the engine is operating or when the engine is not running by turning on the Water Heater breaker on the optional AC Electrical Panel It is part of the freshwater system and does not need to be filled separately There is virtually no need...

Page 28: ... with restricted raw water flow can cause over heating and damage to the engine When you start an engine it is advisable to check the exhaust as it exits the boat to make sure water is being mixed into the exhaust gas You should see a surge of water every few seconds It make take more than a few seconds for the first surge 8 3 ADDITIONAL RAW WATER USES In addition to the engine other options may u...

Page 29: ...ionway steps are wired directly to the house battery bank This means that even when the main battery switches are OFF the bilge pump can continue to function properly A three way switch controls the pumps When held in the manual position the pump will work regardless of whether there is water in the bilge or not In the OFF position the pump will not turn on In the AUTO position operates if the wat...

Page 30: ...ck to a mooring cleat Never rely on the windlass itself to hold the anchor rode the chain stopper or a cleat should be used to take the load so as to avoid damaging the windlass gears When not using the windlass or when underway we recommend securing the anchor and chain with the anchor hook and line provided as standard to one of the mooring cleats This prevents the anchor and rode from inadverte...

Page 31: ...r swimming showering or stern boarding When closed you d hardly know it was there The starboard section of the Adirondack Option Transom Seat is folded back to bottom and removed Then along with it s cushion slipped into a vinyl bag which is slid behind the remaining 2 3s seat for storage A very workable seat remains from which to watch the family swim white mesh allows you to see out but makes it...

Page 32: ...ru Hull discharge valve accessible to starboard and aft in the cockpit lockers then 2 TURN HOLD the switch in the Head to the right to activate overboard pumping using the macerator pump The control panel lights indicate the level of waste in the holding tank The level can be double checked by viewing the dark waste line through the side of the semi transparent holding tank from the starboard aft ...

Page 33: ...nder the bottom companionway step These should be checked frequently and are the first things to check if the unit fails to deliver cold air 11 6 WALLAS 40D DIESEL HEATER Optional This heater is DC powered controlled by a thermostat on the forward side of the entertainment center and draws diesel fuel from the starboard fuel tank Please read the manual for instructions Do not use the Circuit Break...

Page 34: ...t worth a shot in any case Subcribers to Sirius also get free PC music programming at home Works great hooked up to a couple of SONY SRS Z750 speakers or similar Music plays while doing Email 11 9 22 LCD TELEVISION AND DVD PLAYER Optional The TV operates on AC power and the DVD player on DC To use it both the ENTERTAINMENT CENTER breaker on the AC panel must be ON the STEREO breaker on the DC pane...

Page 35: ...t for leaks 500 hrs Drive Belts Check tension if necessary 500 hrs Transmission Oil Check level add if necessary At each use Clean inlet filter net replace oil At 50 hrs 250 hrs 1000 hrs FUEL SYSTEM Tanks Visually inspect for leaks Monthly Filter Visually inspect for contamination At each use Change element clean bowl 250 hrs Valves Operate to insure ease of movement Monthly Connections Visually i...

Page 36: ...inc Check and replace if necessary Monthly MISCELLANEOUS Trim Tabs Check operation Daily Check fluid level Barnacle Build up Monthly Steering Check fluid level add or purge if necessary Monthly Throttle Lubricate linkage Seasonally Bow Thruster See manufacturer s operator s manual Check zinc change if necessary Clean Quarterly 12 2 FLUIDS Engine lube oil use 15W40 SAE viscosity Transmission oil us...

Page 37: ...to have the bottom power washed and to check all thruhulls and seacocks for growth Careful inspection of all underwater hardware at this point may avoid a potential problem in the future This is also a good time to check the zincs of the boat and replace as necessary If the boat is to be stored in a place where the ambient temperature may fall below the freezing point it must be winterized Plumbin...

Page 38: ... 38 34z FIGURE 14 1 EMERGENCY DIAGRAM ...

Page 39: ... 39 34z FIGURE 14 2 FUEL SYSTEM ...

Page 40: ... 40 34z FIGURE 14 3 DC SCHEMATIC ...

Page 41: ... 41 34z FIGURE 14 4 AC SCHEMATIC ...

Page 42: ... 42 34z FIGURE 14 5 FRESHWATER SYSTEM ...

Page 43: ... 43 34z FIGURE 14 6 RAW WATER SYSTEM ...

Page 44: ... 44 34z FIGURE 14 7 GRAY WATER SYSTEM ...

Page 45: ... 45 34z FIGURE 14 8 WASTE SYSTEM ...

Page 46: ... 46 34z FIGURE 14 9 STEERING SYSTEM ...

Page 47: ... 47 34z FIGURE 14 10 AIR CONDITIONING ...

Page 48: ...emember Either end of Pilothouse FIGURE 14 12 9 5 BRIDGE and 11 9 TRAILER LOADING CLEARANCES VHF hinges down White mast Light unscrews and can be removed When in doubt position yourself on the foredeck at the height of the radar dome to line up a bridge ...

Page 49: ... 49 34z FIGURE 14 13 LIFT TRAILER BUNK TEMPLATES ...

Page 50: ...e same manner as the Basic Warranty E Dealers The name and address of Authorized Dealers is available from the Manufacturer The Manufacturer does not authorize the Dealer or any other person to assume for the Manufacturer any liability in connection herewith or any liability or expense incurred in the repairing of its products other than those expressly authorized by the Manufacturer in writing F ...

Page 51: ...e such changes in previous products K Registration Cards The Manufacturer recommends that you immediately fill out and return the Warranty Registration Card for the Vessel The information contained on this card will enable the Manufacturer to more quickly process any warranty claims and to comply with the Federal Boating Safety Act Should you sell the Vessel the Manufacturer recommends that your b...

Page 52: ...__________ Description of Problem _________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ Description of Resolution ________________________________________________...

Page 53: ...__________ ___________________________________ Phone _____________________________ Phone ____________________________ Fax _______________________________ Boat Location _______________________ Contact Person ______________________ Delivery Date _______________________ Description of Defect please include photos Description of Corrective Action include invoices Labor Hrs Labor Rate Labor Cost Materi...

Page 54: ...eck and checking the oil and coolant levels At this time turn the fuel selector switch to the desired tank or both see Owner s Manual for further recommendations 4 Check Raw Water Seacock Make sure that the raw water seacock is in the INTAKE position to supply the engine with seawater for cooling It is also advisable once the engine is started to check the exhaust at the transom You should see a s...

Page 55: ...y alarms should stop within 10 seconds of starting the engine At this time check the engine gauges to insure that they are functioning and displaying appropriate levels Oil pressures and temperatures may not read optimally until the engine is warm 10 Check Maneuvering Aids Turn ON the bow thruster and with a brief tap insure that it is functioning Make sure that no one is on the foredeck or handli...

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