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Westerbeke Universal M3-20B - User Manual

Westerbeke Universal M3-20B
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OPERATORS
MANUAL
U
rsal
MARINE
DIESEL
ENGINES
M3-20B
M-25XPB
M-35B
- .
-
...
B
-50B
PUBLICATION 200550
REVISION
2
FEBRUARY 2010
WE5TERBEKE CORPORATION.
MYLES
STANDISH
INDUSTRIAL
PARK
150JOHN HANCOCK
ROAD,
TAUNTON,
MA
02780·7319
U.S.A.
.
TEl..:
(508)823-7871
0
FAX:
(508}B84·9688· weBSITE:
WWW.WESTERBEIfE.COM
..4JJs!J
Member
NaluJlla[
Marille
Manu/acturers
Associalioll

Table of Contents

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Westerbeke Universal M3-20B Specifications

General IconGeneral
Cylinders3
Compression Ratio22:1
Bore x Stroke75 mm x 83 mm
Max Power Output20 HP (15 kW) @ 3600 RPM
Cooling SystemFreshwater cooled
Starting SystemElectric
Length683 mm (26.9 in.)
Width483 mm (19.0 in.)
Height610 mm (24 in)
Weight (Dry)134 kg (295 lbs)

Summary

Operators Manual

Safety Warnings

Carbon Monoxide Exposure

Information on symptoms and dangers of carbon monoxide exposure from engine exhaust.

Proposition 65 Warning

California warning regarding diesel exhaust constituents.

Safety Instructions

Prevent Electric Shock

Precautions to avoid electrical shock hazards when operating or servicing the engine.

Prevent Burns - Fire

Safety measures to prevent fire hazards associated with fuel and engine operation.

Prevent Burns - Explosion

Safety precautions to prevent fuel vapor explosions during fueling and operation.

Safety Instructions - Accidental Starting

Battery Explosion Hazards

Warnings and precautions regarding battery explosion risks from hydrogen gas.

Toxic Exhaust Gases

Information on the dangers of exhaust gases, particularly carbon monoxide.

Installation Procedures

Diesel Fuel, Engine Oil, and Coolant

Pre-Start Inspection

Starting and Stopping Procedures

Starting Procedure

Step-by-step guide for starting the engine, including preheat times.

Stopping Procedure

Instructions for safely shutting down the engine.

Break-In Procedure

First 50 Hours Operation

Guidelines for conditioning a new engine during its initial 50 hours.

Recommended RPM Ranges

Optimal engine RPM ranges for break-in and normal operation.

Maintenance Schedule

Engine Cooling Circuit

Engine Oil Change

Draining the Sump

Procedure for draining old engine oil from the sump.

Replacing the Oil Filter

Steps for removing and installing the engine oil filter.

Fuel System

DC Electrical System

DC Electrical System - Alternator Troubleshooting

Checking Proper Voltage

Tests to verify the alternator's voltage output for proper charging.

Engine Adjustments

Throttle and Stop Controls

Description and adjustment of throttle and stop lever mechanisms.

Valve Clearance Adjustment

Procedure for checking and adjusting engine valve clearances.

Engine Adjustments - Cylinder Adjustment

Engine Adjustments - Testing Procedures

Testing Engine Compression

Method for testing engine cylinder compression pressure.

Testing Oil Pressure

Procedure for testing engine oil pressure using a mechanical gauge.

Fuel Injector Checks

Information on checking and servicing fuel injectors.

Engine Troubleshooting

Control Panel Troubleshooting

Manual Starter Disconnect Issues

Troubleshooting common control panel problems related to starting.

Gauge Troubleshooting

Diagnosing issues with water temperature and oil pressure gauges.

Tachometer;Hour Meter

PRM Newage Transmissions

PRM Newage Transmission Troubleshooting

Hurth HBW;ZF Transmissions

Hurth HBW;ZF Transmissions - Initial Operation

Hurth HBW;ZF Transmission Troubleshooting

Control Cables Issues

Troubleshooting transmission problems related to control cables.

Troubleshooting Common Problems

Diagnosing and resolving common transmission operational issues.

Lay-Up and Recommissioning

Universal Marine Engines Specifications

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