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mjm yachts 3z Manual

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3z OWNERS GUIDE

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  • Page 1 3z 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 3z Owner, Congratulations on becoming an owner of an MJM 3z. We are dedicated to making it the world’s best in class. As you read this guide and share cruising adventures, we hope you will discover our mission has been accomplished.
  • Page 4 HIN NUMBER DESIGN PATENT US D475 338S (3 June 2003) DELIVERY DATE AIS MMSI NO. REGISTRATION NO. ENGINES MODEL SERIAL NUMBERS PROPELLORS MJM YACHTS LLC Peter L. Johnstone Phone (252) 599-0223 Email info@mjmyachts.com MJM SERVICE CONTACT Email warranty@mjmyachts.com DEALER BROKER...
  • Page 5 QUICK START GUIDE Here’s a reminder checklist for an experienced captain, familiar with operation of twin Mercury Verado outboards equipped with Joystick Piloting and information in this guide and accompanying binders. that raw water strainers of the GENERATOR and Check raw water systems ☐...
  • Page 6 CE CERTIFICATION BBBW005 CERTIFICATE NO. 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 B Offshore (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 m) and wind speeds in excess of Beaufort Force 8, but excluding abnormal conditions, e.g.

  • Page 7: Table Of Contents

    Hauling Out and Blocking ......36 DISPLAYS ............12 Trailer Loading Checklist ......36 Compass Heading and Calibration ... 12 Fuel Consumption ........37 Trimming the 3Z..........12 Routine Maintenance ........38 4.6.1 Engine Trim ..........12 9.10 Boat Lift and Bunk Offsets .......39 4.6.2 Mercury Active Trim ........
  • Page 8 MJM 3z LOA: Length Over-All including engines down & bow roller ....38’ 2” LOD: Length on deck (LOD ................35’ 8” Beam (Maximum width on trailer) ................ 11’ 0” Maximum Trailer weight (full tanks) ............. 13,279 lbs Draft with Engines (Up) Down ................21”/ 32”...

  • Page 9: Introduction

    The Appendix includes other useful information. And there’s a chapter on the people who create MJM yachts you can contact if you need help. Study these resources to understand how to operate your yacht safely.

  • Page 10: Safety And Some Uscg Requirements

    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. Ensure that you understand this essential information before you operate the boat.

  • Page 11: Commissioning Package Safety Items

    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 for cockpit draining and to prevent large waves from crashing down into the someone from being pitched below and cockpit, running forward and entering the interior of the boat if the provides a Chart Kit navigation surface.

  • Page 12: Fuel Shut-Off Valves

    2.7 F ALVES The first thing to do if there is a fuel fire or leak is stop engines, turn off ignition and engine battery switches and close fuel shut-off valves by turning them perpendicular to the hose. They are located in the cockpit locker, looking forward over the generator at the back end of the fuel tank.

  • Page 13: Emergency And Thru Hull Diagram

    2.10 E MERGENCY AND IAGRAM...

  • Page 14: Propulsion

    3.1 E NGINES The MJM 3z is propelled by twin Mercury Verado 300 or 350 HP 4-stroke, in- line outboard engines with HD heavy duty drives having either 3 blade Enertia- ECO 3-Blade or 4-blade Evolution-4 stainless steel propellers. When raised, engines are out of the water.

  • Page 15: Steps To Start

    Water Separating Fuel Filters should be replaced every 100 hours or annually. are located on bulkheads outboard of the generator and aft of the fuel shut- They off valves on top of the fuel tank. The wire out of the bottom of the filter bowl is the sensor to alert that water is in the filter.

  • Page 16: New Engine Break-In

    Engine work should not be done with the engine running unless specified by the manufacturer for a specific reason and done by a qualified A reboot can solve mysterious issues. marine mechanic. Stop engines before opening engine hatch. Electronic engine controls are 3.5 N computers.

  • Page 17: Mercury Verado 300 & 350 Hp Engines

    3.8 M 300 & 350 HP E ERCURY ERADO NGINES a. Top Cowl b. Rear Cowl c. Idle Relief Exhaust d. Lower Cowl Chaps e. Anti-Ventilation Plate f. Propeller Shaft g. Low Water Intake Holes h. Water Intake Holes i. Trim Guide Plates j.

  • Page 18: Instruments And Controls

    INSTRUMENTS AND CONTROLS The following material includes selected summaries of the Volvo Penta 3Z power steering rotates outboards Operator’s Manual (VPOM) included in the binders. Please read the entire through a 20° arc. The steering is more manual for safety instructions. There are frequent page references to the VPOM positive and immediate than deflecting in the following paragraphs.

  • Page 19: Mercury Features And Controls

    4.2 M 56 -77) ERCURY EATURES AND ONTROLS PAGES OYSTICK ILOTING The Mercury Joystick Piloting functions very much like the Volvo Penta IPS, except it’s more automatic. MOVE Engine Controls to Neutral. The ring at the base of the JOYSTICK lights up Green to show that it’s active. TWIST Joystick to turn the boat or LEAN Joystick in direction desired or do both at same time While PUSHING Joystick forward or aft…...

  • Page 20: Displays

    4.6 T RIMMING THE Trimming a 3Z is somewhat of an art form as there are 3 WAYS to do so and they are inter- related. The boat seems to run fine just trimming the outboards with the auto trim systems off.

  • Page 21: Searchlight

    EARCHLIGHT settings: breaker on. Turn on the light by depressing BREAKER PANEL SEARCHLIGHT the on/off button. The SEARCHLIGHT is a powerful LED appliance that may be operated with a joystick from the helm. The LEDs draw less power (only 2.8 amps at 13.8V) than previous incandescent devices.

  • Page 22: Windshield Operation

    For improved ventilation or visibility, you 4.10 W can travel comfortably at 14-15 knots INDSHIELD PERATION without being blasted by the wind if you While the double manual windshield design Manual Front Windshield open the starboard windshield and move reates indiv idual windows that are easy to lift, a stick with a rubber tip is a slightly toward the centerline of the boat handy way to raise or lower the windows without having to stretch over the...

  • Page 23: Electrical Systems 15

    Boat Owner’s Illustrated Electrical Handbook by Charlie Wing. 5.2 E LECTRICAL OWER The MJM 3z 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 stored Volt DC in AGM absorbed-glass mat no-maintenance batteries as follows: ...

  • Page 24: Shore Power

    HORE OWER The single 50-foot, 30- a m p shore power cord is plugged in to outboard of the cockpit seat to port. SHORE POWER INLET The batteries will accept a charge from 120V shore power through Charging even if the INVERTER/CHARGER if SHORE POWER is on HOUSE DC MAIN is...

  • Page 25: The 12V Dc Panel

    12V DC P ANEL The 12V DC panel includes circuit breakers for all 12V DC equipment except the 24-hour circuits that are permanently connected to the HOUSE . The breakers are backlit and labeled. BATTERY All three battery systems are displayed on the multimeter.

  • Page 26: The 120V Ac Panel

    120V AC P ANEL panel receives power from 120V AC the Victron Quattro charger/inverter, and in turn, the charger/inverter receives power from the shore power inlet or the generator. There are two main 40A breakers on the power labeled "SHORE/GEN" and "INVERTER". The SHORE/GEN breaker provides power to the HVAC equipment and water heater.
  • Page 27 5.8 W 3.5 MCGA G ESTERBEKE ENERATOR PTION Westerbeke Operator’s Manual is included in the binders. The daily pre-start checklist: Pre-Start Check List 1. Close seacock, clean the sea strainer (the cap should be hand tightened) and reopen the seacock. 2.

  • Page 28: Generator Component Locations

    5.9 G ENERATOR OMPONENT OCATIONS...

  • Page 29: Victron Inverter/Charger

    5.10 V ICTRON NVERTER HARGER The Victron Quattro inverter/charger is the heart and brains of your boat's AC electrical system. It takes the role of three separate devices and rolls them into a single smart and efficient package. It functions as a 200A charging source for your 12V batteries, a 5,000w inverter for your AC electrical loads, and an automatic hands-free transfer switch...

  • Page 30: Water Systems

    WATER SYSTEMS 6.1 F RESH ATER settings: breaker on. BREAKER PANEL FRESH WATER PUMP Fresh water is supplied from two interconnected 25-galllon water tanks under pilothouse settees, which are filled through a fitting on the starboard side deck. No freshwater gauge is needed as you can readily see the level in the tanks. Fresh Water Pump A JABSCO 42755-0092 12V provides freshwater...

  • Page 31: Gray Water

    ATER collects water from the shower drain, GRAY WATER SUMP BOX Sumps air conditioner condensate, and refrigerator condensate. Gray water can be legally discharged overboard. The sump pump switch on the panel provides power to a pump with a float switch to empty the tank.

  • Page 32: Seakeeper Gyrostabilizer (Option)

    SEAKEEPER GYROSTABILIZER (Option) is a 550 lb. sphere that spins up to 8,450 RPM. It’s anchored SEAKEEPER to a reinforced structure low in the boat to resist roll. Following is a summary of the Seakeeper 3 Gyrostabilizer operation. (GYRO) Please review the details of operation and the safety notices in the Seakeeper Operation Manual in the binders.

  • Page 33: Equipment, Appliances And Finishes

    EQUIPMENT, APPLIANCES and FINISHES NCHOR INDLASS settings: DC MAIN, FRESH WATER PUMP and BREAKER PANEL WINDLASS breaker on. Also ensure that the 80A breaker located in the forward starboard battery compartment is also on. The 5A breaker in the DC panel powers the automatic switch for the windlass circuit.

  • Page 34: Privacy/Sunscreen Curtains (Option)

    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. The aft and windshield curtains hook up inside. An advantage of inside curtains is that they don’t get dirty or need storage when wet from dew when departing in the morning.

  • Page 35: Refrigerator

    8.5 R EFRIGERATOR settings: breaker on. 12v DC BREAKER PANEL REFRIGERATOR The thermostat has an on/off button and a temperature adjustment button. Each time the temperature adjustment button is pressed, the LED indicator advances from left to right indicating a cooler setting. It can take a while for temperature to stabilize, particularly after initial REFRIGERATOR stocking with food and beverages.

  • Page 36: Vacuum Flush Head System

    ACUUM LUSH YSTEM settings: breaker on. DC BREAKER PANEL FRESH WATER PUMP breaker HEAD Press the Before Use button to add water until desired water level is achieved. (It will shut off automatically to avoid overflow.) Press the After Use button down for a moment, then release it. It activates a macerator pump that pumps water and waste from the bowl, macerates, and propels the effluent to a 22-gallon waste tank.

  • Page 37: Finishes

    8.10 F INISHES The 3z hull is painted with Awlcraft 2000 color and three coats of Hull paint clear Awlcraft. Awlgrip states that while it doesn’t hurt to wax it, it doesn’t help and can create a maintenance problem.

  • Page 38: Appendix

    Tired or Damaged Water Pump Impeller APPENDIX boats age or if an engine isn’t operated for a long period of time, a worn-out circulating water pump 9.1 T 10 C AUSES OF NGINE is another engine killer. Impeller blades are AILURE commonly made of a rubberized material that It doesn’t happen often and if you’re familiar with...
  • Page 39 Engine maintenance and parameters: See the Mercury operation and maintenance manual...

  • Page 41: Starting With Low Batteries

    Normally when underway, both the ENGINE and the (if running) ALTERNATORS GENERATOR TARTING WITH ATTERIES provide charging current to both ENGINE Each engine has a dedicated and both ENGINE BATTERY. BATTERIES HOUSE BATTERIES. However, may be connected with the if a battery falls below 12.3V, the VSR opens to They ENGINE (EEP) switch.

  • Page 42: Winter Storage

    These procedures are for Starting engines with one low engine battery emergencies. If a battery is low, determine the If you’re not connected to shore power and if the cause. All 24-hour circuits are powered from the PORT ENGINE BATTERY is depleted and the PORT house batteries.

  • Page 43: Spring Commissioning

    9.6 H AULING UT AND LOCKING Power-wash the bottom Underwater hardware Refer to the illustration titled Boat Lift & Bunk and check thru hulls and seacocks for growth. Offsets in the Appendix page 39 before lifting the (Inspection of underwater hardware may avoid a boat with a Travelift or a crane with straps.
  • Page 44 14. In addition to aft and midship supports in locations seen on the previous page, support the boat under the bow, forward of any straps. 15. Leaving side and aft pilothouse curtains in place best protects the boat interior. 16. Lock companionway door. Advise driver and receiving yard on the combination.
  • Page 45 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. 200 hrs. Air cleaner Check each 50 hrs. Clean if necessary and replace Drive belt tension/wear Check each 14 days...

  • Page 46: Boat Lift And Bunk Offsets

    3Z Owner’s Guide 9.10 B IFT AND 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 are below.

  • Page 47: Systems Location Plan

    3Z Owner’s Guide 9.11 S YSTEMS OCATION...

  • Page 48: Systems Key

    3Z Owner’s Guide 9.12 S YSTEMS The System Location Plan (above) and the System Key are the baseline configuration for the MJM3Z. There are modifications due to continuous improvement and individual customization. Your boat will have some differences.

  • Page 49: Wiring Diagrams

    3Z Owner’s Guide 9.13 W IRING IAGRAMS...

  • Page 50: Fuse Locations & Specifications

    3Z Owner’s Guide 9.14 F & S OCATIONS PECIFICATIONS Most fuse locations are at the 24hr and electronics fuse block behind the helm. See diagram located on the fuse block cover for a description. Fuses located at both port and starboard battery switches: Voltage sense (ATC), engine CPU (ATC), and power steering pump (MRBF).

  • Page 51: Fuel Consumption Log

    3Z Owner’s Guide 9.15 F ONSUMPTION Hours Engine Since Gals To Date Location Hours Last Fill Fill Comment...

  • Page 52: Pamlico Yachtworks Limited Warranty

    3z Owner’s Guide E. Dealers. The name and address of Authorized Pamlico Yachtworks Limited Warranty Dealers is available from the Manufacturer. The Manufacturer doesn’t authorize the Dealer, or any Manufacturer's Sole and Limited Warranty for other person, to assume for the Manufacturer any...
  • Page 53 3z Owner’s Guide 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 defect to the Manufacturer or Authorized Dealer or a Warranty Registration Card.
  • Page 54 3z Owner’s Guide Limited Warranty Registration Card Within 30 days after delivery or transfer to new owner, this form must be sent to: Pamlico Yachtworks 230 Clarks Neck Road Washington NC 27889 ATTN: Customer Service MJM Model Hull # (HIN) US-EOU Authorized Dealer...
  • Page 55 3z Owner’s Guide Warranty Claim Application Form Pamlico Yachtworks 230 Clarks Neck Road Washington NC 27889 Date: Boat name Hull # Dealer/service Boat Owner Address Address Address continued Address Continued Phone # & email Phone Number & e-mail Boat Location...
  • Page 58 3Z Owner’s Guide...

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