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Related Manuals for MJM Yachts LLC 40z
Summary of Contents for MJM Yachts LLC 40z
- Page 1 40z Owners Guide...
- Page 2 “Believe me, my young friend, said the water rat solemnly, there is nothing, absolutely nothing, half so much worth doing as simply messing about in boats. Simply messing...nothing seems really to matter. That's the charm of it. Whether you get away, or whether you don't, whether you arrive at your destination or whether you reach somewhere else, or whether you never get anywhere at all, you're always busy, and you never do anything in particular...”...
- Page 3 Dear 40z Owner Congratulations on becoming an owner of an MJM 40z. We’re dedicated to making it the world’s best in class. As you read this guide and share cruising adventures, we hope you’ll discover our mission has been accomplished.
- Page 5 QUICK START GUIDE Following is a departure checklist for an experienced captain who is familiar with the information in this guide and the accompanying binders. Check Systems ☐ Check raw water strainers (a flashlight is helpful to see into the strainers), ENGINE GENERATOR seacocks, coolant, engine oil and drive oil.
- Page 6 CE CERTIFICATION CERTIFICATE NO. BBBW003 AUTHORITY: ADDRESS: International Marine Certification Institute Rue Abbe Cuypers 3 B-1040 Bruxelles. Belgique PHONE +32-2-741-2418 WEBSITE www.imci.org CLASSIFICATION ISO CE Mark Design Category A Ocean (EC Directive 94/25/EC) for craft designed for offshore voyages (1) where the vessel is correctly handled in the sense of good seamanship and operated at a speed appropriate to the prevailing sea state and (2) with significant wave heights above 4 m (calculations are based on 7...
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Page 7: Table Of Contents
TABLE OF CONTENTS 5.11 Victron Inverter/Charger ....... 25 INTRODUCTION 5.12 Bonding ..........25 Purpose and Limitations ......1 WATER SYSTEMS Standard Specifications ......1 Conventions ......... 1 Fresh Water ........26 Hot Water ........... 26 SAFETY and some USCG REQUIREMENTS Gray Water ......... - Page 8 MJM 40z LOA: Length overall including swim platform & bow roller (LOA) ..44.3 ft. LOD: Length on deck (LOD ..............40.0 ft. Beam (Maximum width on trailer) ............12.0 ft. Maximum Trailer weight ..............21,800 lbs. Draft with IPS pod drives ..............3.3 ft.
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Page 9: Purpose And Limitations
Chapter 1, Introduction, MJM 40z Owner’s Manual page 1 INTRODUCTION 1.1 P URPOSE AND IMITATIONS This purpose of this Owners Guide and the equipment suppliers’ manuals in the accompanying binders is to provide you with an overview of the yacht’s equipment, operation, systems and maintenance. -
Page 10: Safety And Some Uscg Requirements
Chapter 2. Safety, MJM 40z Owner’s Guide page 2 SAFETY and some USCG REQUIREMENTS 2.1 B INDER ANUALS The equipment suppliers’ manuals in the accompanying binders have many safety notices that relate to their products, their operation and maintenance and their use in the boat. -
Page 11: Commissioning Package Safety Items
Chapter 2. Safety, MJM 40z Owner’s Guide page 3 A companionway board with the label Companionway Hatch Board or Closure Better to just secure the companionway is provided to comply with ISO requirements “DON’T REMOVE WHILE UNDERWAY” slider and lid. It’s quieter, prevents... -
Page 12: Fuel Shut-Off Valves
Chapter 2. Safety, MJM 40z Owner’s Guide page 4 2.7 F ALVES The first thing to do if there is a fuel fire or leak is stop engines and close fuel shut-off valves by turning them perpendicular to the hose. They are located over the fuel tanks under the pilothouse seats. -
Page 13: Emergency And Thru Hull Diagram
Chapter 2. Safety, MJM 40z Owner’s Guide page 5 2.10 E MERGENCY AND IAGRAM Sink Thru Hull Sump Pump Thru Hull First Aid Kit Electric Bilge Pump 1 Sink Thru Hull Bilge 1 Thru Hull Manual Bilge Thru Hull AC Thru Hull... -
Page 14: Propulsion Engines
PROPULSION 3.1 E NGINES The MJM 40z is propelled by twin Volvo diesel 370 or 435 HP D6 engines with 24 overhead valves, turning, via IPS transmissions, forward-facing counter- rotating duo-prop propellers. (See Top 10 Causes of Engine Failure, page 35, and Diesel Operation, page 36.) - Page 15 Chapter 3. Propulsion, MJM 40z Owner’s Guide page 7 The engine draws raw water (seawater) Check Engine Raw Water Strainers through an intake in the under the hull, then through an IPS POD DRIVE ENGINE then to a heat exchanger that cools the engine coolant.
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Page 16: Starting The Engines
Chapter 3. Propulsion, MJM 40z Owner’s Guide page 8 are installed after the shut-off valves in the Check Fuel Filters RACOR FILTERS fuel lines, inside the Systems Room, on either side of the bulkhead, just forward of the generator. Check these filters regularly for contamination or water that will appear as a dirty gray, cloudy substance in the clear bowl. -
Page 17: Stopping The Engines
Chapter 3. Propulsion, MJM 40z Owner’s Guide page 9 3.4 S TOPPING THE NGINES Put the in neutral. Push the buttons on ENGINE/SHIFT CONTROL LEVERS STOP Recently, there were IPS malfunctions on . Don’t release the buttons until the engines have stopped. Then e-KEY PANEL 40z's. -
Page 18: Leaving The Boat
Chapter 3. Propulsion, MJM 40z Owner’s Guide page 10 3.8 L EAVING THE A reboot can solve mysterious issues. Remember to turn all switches off when leaving the boat, except possibly: Electronic engine controls are computers. Mysterious problems • SHORE 1 and the HOUSE BATTERY switch and the REFRIGERATOR breaker if you emerge and may be caused by unusual want to keep the REFRIGERATIOR on. -
Page 19: Volvo Penta D6 Ips Engines
Chapter 3. Propulsion, MJM 40z Owner’s Guide page 11 3.9 V D6 IPS E OLVO ENTA NGINES Starboard Side Volvo Penta IPS, Servo Unit 2 Turbocharger 3 Crankcase ventilation filter 4 Air filter 5 Oil filler cap 6 Engine control unit... -
Page 20: Instruments And Controls
Chapter 4, Instruments and Controls, MJM 40z Owner’s Guide page 12 INSTRUMENTS AND CONTROLS The following material includes selected summaries of the Volvo Penta The 40z power steering rotates two Operator’s Manual (VPOM) included in the binders. Please read the entire... -
Page 21: Joystick
Chapter 4, Instruments and Controls, MJM 40z Owner’s Guide page 13 The push button functions are as follows: 1 Not relevant to the 40z Turns on . You can fine-tune the locked CRUISE CONTROL 2 Cruise Control engine speed by pressing (+) or (-) on the back of the control. -
Page 22: Electronics
Chapter 4, Instruments and Controls, MJM 40z Owner’s Guide page 14 and the helm station must be supervised. Moving the ENGINE/SHIFT CONTROL out of , or pressing the button will deactivate DPS. The LEVERS NEUTRAL DPS can be activated when boat speed is below 3 knots and remains active up to 12 hours. -
Page 23: Compass Heading And Calibration
The 40z with IPS drives has large 36”x12” trim tabs on each side of TRIM TAB CONTROL panel the transom to make it possible to lower the bow going into larger seas in the 10-20 knot range. -
Page 24: Autopilot
AUTO the displayed heading. Turn the knob to adjust the course. The Autopilot is calibrated for 40z operation at Boston Boat Works. If you notice hunting rather than steady course-keeping, see the Raymarine Manual to check configuration parameters or contact Customer Service at Boston Boat Works. -
Page 25: Windshield Operation
Chapter 4, Instruments and Controls, MJM 40z Owner’s Guide page 17 Press forward end of rocker switch to automatically Underway Horn / Anchor sound a one prolonged blast every 2 minutes when operating in low or restricted visibility. When at anchor or stopped and making no way through the water, press the aft end of the rocker switch to sound 2 prolonged blasts every 2 minutes. -
Page 26: Electrical Systems
Calder and Boat Owner’s Illustrated Electrical Handbook by Charlie Wing. 5.2 E LECTRICAL OWER The MJM 40z includes both 12-volt direct current (DC) and 120-volt alternating current (AC). Most of the boat’s electrical devices use 12V DC. It’s 12-Volt DC stored in AGM absorbed-glass mat no-maintenance batteries as follows: •... -
Page 27: Shore Power
Chapter 5, Electrical Systems, MJM 40z Owner’s Guide page 19 5.3 S HORE OWER There are two ways to provide shore power. plugged in to SHORE POWER INLET A single 30A 125V shore power cable in the transom (shown in the adjacent photograph) will provide power to... -
Page 28: The 12V Dc Panel
Chapter 5, Electrical Systems, MJM 40z Owner’s Guide page 20 The TOGGLE switch below the digital display on the 12V DC panel shows volts or amps for the HOUSE BATTERIES in position 1 and the GENERATOR BATTERY in position 2. Position 3 is not connected. -
Page 29: The 120V Ac Panel
Chapter 5, Electrical Systems, MJM 40z Owner’s Guide page 21 The three buttons below the digital readout select volts, amps or watts for presentation on the digital display. The TOGGLE switch selects which side of the panel is reported in the digital display. -
Page 30: Northern Lights Generator (O P T I O N )
Chapter 5, Electrical Systems, MJM 40z Owner’s Guide page 22 switch to supply power to circuit breakers on the TRANSFER 120V AC right side. The 120V AC panel has reverse polarity indicators. If an AC supply is wired incorrectly, either aboard the boat or shore side, a dangerous shock situation could exist. -
Page 31: Corrosion Protection
Chapter 5, Electrical Systems, MJM 40z Owner’s Guide page 23 After the generator starts, there is a short delay, then about 120V should show on the digital display at the top left of the 120V A C panel. (T toggle switch under the display is in the up position.) If the... -
Page 32: Generator Component Locations
Chapter 5, Electrical Systems, MJM 40z Owner’s Guide page 24 5.10 G ENERATOR OMPONENT OCATIONS Component Locations 1. Heat Exchanger End Cap 2. Coolant Fill/Pressure Cap 3. Heat Exchanger 3. Expansion Tank 3. Exhaust Manifold 4. Lube Oil Fill-Top 5. Wet Exhaust Elbow 6. -
Page 33: Victron Inverter/Charger
Chapter 5, Electrical Systems, MJM 40z Owner’s Guide page 25 5.11 V ICTRON NVERTER HARGER Under normal circumstances there is no need for adjustment other than switching the toggle at the DIGITAL on to invert or to MULTI CONTROL with shore power. -
Page 34: Water Systems
Chapter 5, Water Systems, MJM 40z Owner’s Guide page 26 WATER SYSTEMS 6.1 F RESH ATER settings: breaker on. BREAKER PANEL FRESH WATER PUMP Fresh water may be supplied from two sources: 1. A 100-gallon under the pilothouse sole is... -
Page 35: Gray Water
Chapter 5, Water Systems, MJM 40z Owner’s Guide page 27 connected or to be on with the POWER 2 SHORE POWER 1 TRANSFER turned on. (The Inverter will not provide power to WATER HEATER SWITCH on the right side of the 120V AC panel There is no specified periodic maintenance, but it’s wise to Inspect... -
Page 36: Raw Water
Chapter 5, Water Systems, MJM 40z Owner’s Guide page 28 There are three automatic ELECTRIC BILGE PUMPS. They Bilge Pumps are located: • Under the companionway steps • Aft under the GENERATOR • Aft in the engine compartment at the transom... -
Page 37: Seakeeper Gyrostabilizer (Option)
Chapter 5, Seakeeper, MJM 40z Owner’s Guide page 29 SEAKEEPER GYROSTABILIZER (Option) is a 500 lb. sphere that spins up to 10,700 RPM. It’s SEAKEEPER anchored to a reinforced structure low in the boat to resist roll. Following is a summary of the Seakeeper 5 Gyrostabilizer (GYRO) operation. -
Page 38: Equipment, Appliances And Finishes
Chapter 9 Finishes, Equipment, and Appliances MJM 40z Owner’s Guide page 30 EQUIPMENT, APPLIANCES and FINISHES 8.1 A NCHOR INDLASS settings: switch, FRESH WATER PUMP BREAKER PANEL HOUSE BATTERY breaker on. WINDLASS It’s prudent to have the engine or running when using the GENERATOR windlass;... -
Page 39: Privacy/Sunscreen Curtains (Option)
Chapter 9 Finishes, Equipment, and Appliances MJM 40z Owner’s Guide page 31 8.4 P RIVACY UNSCREEN URTAINS PTION The optional provide privacy so the PRIVACY/SUNSCREEN CURTAINS pilothouse can serve as an additional stateroom. The two large side curtains roll up in place. The other curtains roll up in a carry bag. -
Page 40: Cooktop
Chapter 9 Finishes, Equipment, and Appliances MJM 40z Owner’s Guide page 32 8.7 C OOKTOP settings: breaker on. The in the BREAKER PANEL COOKTOP COOKTOP galley requires 120V AC from , the or the SHORE POWER 1 GENERATOR . The... -
Page 41: Vacuum Flush Head System
Chapter 9 Finishes, Equipment, and Appliances MJM 40z Owner’s Guide page 33 8.12 V ACUUM LUSH YSTEM settings: breaker BREAKER PANEL FRESH WATER PUMP breaker HEAD Press the switch until desired water level is achieved. (It will ADD WATER shut off automatically to avoid overflow.) Press the switch down for a moment, then release it. -
Page 42: Finishes
8.14 F INISHES The 40z hull is painted with Awlcraft 2000 color and three coats Hull paint of clear Awlcraft. Awlgrip states that while it doesn’t hurt to wax it, it doesn’t help and can create a maintenance problem. -
Page 43: Appendix
Chapter 9 Finishes, Equipment, and Appliances MJM 40z Owner’s Guide page 35 Diesel engines suffer from microbial Fuel Bugs bugs growing in the fuel. If left unchecked, these critters clog filters. If you leave the same diesel fuel APPENDIX in the tank for any length of time, a fuel conditioner similar to that supplied with your boat by the builder 9.1 T... -
Page 44: Diesel Operation
Chapter 9 Finishes, Equipment, and Appliances MJM 40z Owner’s Guide page 36 RPMs weren’t effected nor the IPS function (a snap. The only way to avoid this malady is to wonderfully resilient system!). Subsequently all new replace them once they begin to show wear. - Page 45 Chapter 9 Finishes, Equipment, and Appliances MJM 40z Owner’s Guide page 37 then sends it to the filters and injectors, where the familiarize yourself with engine’s cooling systems: injector pump sends fuel to the individual cylinders the raw water (sea-water) system, as well as the for combustion.
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Page 46: Starting With Low Batteries
Chapter 9 Finishes, Equipment, and Appliances MJM 40z Owner’s Guide page 38 system. Cracked or collapsed hose? Hose is separate and dedicated to the BATTERY clamps tight? generator only. When crude oil is Know your fuel additives Normally when underway, both the... -
Page 47: Winter Storage
Chapter 9 Finishes, Equipment, and Appliances MJM 40z Owner’s Guide page 39 With the STARBOARD ENGINE ALTERNATOR now ACR switch will open and separate the batteries. charging the STARBOARD ENGINE BATTERY, as When the voltage returns above 12.3V in either of... -
Page 48: Spring Commissioning
Chapter 9 Finishes, Equipment, and Appliances MJM 40z Owner’s Guide page 40 Power-wash the bottom 9.6 H Underwater hardware AULING UT AND LOCKING and check thru hulls and seacocks for growth. Refer to the illustration titled Boat Lift & Bunk... -
Page 49: Fuel Consumption
Chapter 9 Finishes, Equipment, and Appliances MJM 40z Owner’s Guide page 41 14. In addition to aft and midship supports in FUEL EFFICIENCY RANGE TIME locations seen on the previous page, support Secs the boat under the bow, forward of any straps. -
Page 50: Routine Maintenance
Chapter 9 Finishes, Equipment, and Appliances MJM 40z Owner’s Guide page 42 9.9 R OUTINE AINTENANCE ENGINE Oil level Check Daily Change after 1 100 hrs., then ea. 200 hrs. or annually Engine oil filters 50/200 hrs. Replace after 1 50 hrs., then ea. -
Page 51: Boat Lift And Bunk Offsets
FFSETS A boat bunk (the shaded gray area tine drawing below) is a support shaped in three dimensions to fit and support the boat. The length and cross section dimensions to make boat bunks for an MJM 40z, are below. -
Page 52: Systems Location Plan
Chapter 12, Appendix, MJM 40z Owner’s Guide page 44 9.11 S YSTEMS OCATION... -
Page 53: Systems Key
Chapter 12, Appendix, MJM 40z Owner’s Guide page 45 9.12 S YSTEMS The System Location Plan (above) and the System Key are the baseline configuration for the MJM40z. There are modifications due to continuous improvement and individual customization. Your boat will have some... -
Page 54: Wiring Diagrams
Chapter 12, Appendix, MJM 40z Owner’s Guide page 46 9.13 W IRING IAGRAMS Boston BoatWorks LLC AC Electrical Diagram Shore Power Breaker 120V Shore Power 2 Shore Power 1 SHORE POWER #1 120V LOCKOUT SLIDE LOCKOUT SLIDE SHORE POWER #2... -
Page 55: Fuse Locations & Specifications
Chapter 12, Appendix, MJM 40z Owner’s Guide page 47 9.14 F & S OCATIONS PECIFICATIONS In-Line and Fuse Block Description Size Type Location Bilge Pump 1 Switch In the BILGE PUMP SWITCH at the dash Bilge Pump 2 Switch In the BILGE PUMP SWITCH at the dash... -
Page 56: Fuel Consumption Log
Chapter 12, Appendix, MJM 40z Owner’s Guide page 48 9.15 F ONSUMPTION Hours Engine Since Gals To Date Location Hours Last Fill Fill Comment... -
Page 57: Boston Boatworks Limited Warranty
Chapter 12, Appendix, MJM 40z Owner’s Guide page 49 E. Dealers. The name and address of Authorized 9.16 B OSTON OATWORKS IMITED Dealers is available from the Manufacturer. The ARRANTY Manufacturer doesn’t authorize the Dealer, or any Manufacturer's Sole and Limited Warranty for... - Page 58 Chapter 12, Appendix, MJM 40z Owner’s Guide page 50 H. Warranty Claims. To make a claim under this Boating Safety Act. Should you sell the Vessel, the Manufacturer recommends that your buyer also fill warranty you must do the following a. Report the or a Warranty Registration Card.
- Page 59 Chapter 12, Appendix, MJM 40z Owner’s Guide page 51 Limited Warranty Registration Card Within 30 days after delivery or transfer to new owner, this form must be sent to: Boston BoatWorks, LLC 333 Terminal Street Charlestown, MA 02129 ATTN: Customer Service...
- Page 60 Chapter 12, Appendix, MJM 40z Owner’s Guide page 52 Warranty Claim Application Form Boston Boat Works, LLC This form has the same info as the Pre-Approval form. 256 Marginal Street, East Boston MA 02128 Phone: (617) 561-9111 Fax: (617) 561-9222...
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Page 61: The Mjm Team
THE MJM TEAM Before we end, we’d like you to know the remarkable people, recognized throughout the yachting world, who create MJM Yachts. It’s a team that has, in its young life, received many awards. The 50z received the AIM Publishing Group’s 2014 Boat of the Year for the “Best 50 Foot Plus Down East Cruising Design”... -
Page 62: Scott Smith
The MJM Team, MJM 40z Owners Manual page 54 10.4 S COTT MITH Scott is a founder of Boston BoatWorks. He studied bio-medical engineering at Boston University and worked in the financial industry at Boston Financial Data Services and Shawmut Bank. He formed Boston BoatWorks with Mark Lindsay to combine his passions as a life-long sailor, sailing competitor, technophile and entrepreneur.
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