Table of Contents
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OPERATOR'S MANUAL
Read this operator's manual thoroughly before starting to operate your equipment.
This manual contains information you will need to run and service your new unit.
Table of Contents
INTRODUCTION .................................................... 2
Unit Identification ................................................. 2
Model Numbers .................................................... 2
Serial Numbers ..................................................... 2
WARRANTY ........................................................... 3
SAFETY RULES ................................................ 3 - 7
LOCK OUT / TAG OUT PROCEDURES ............ 8
M843NW3 Marine Generator ....................... 9 - 11
Series 1-B ........................................................... 12
Series 3-B ........................................................... 12
Series 3-C ........................................................... 12
Break-in Period ...................................................13
Before Starting ....................................................13
Starting ................................................................13
Operating ............................................................13
Stopping ..............................................................13
Shutdowns and Alarms .......................................14
Spare Parts ..........................................................14
SERVICING SCHEDULE CHART ....................15
Lubrication - General ..........................................16
Checking Oil Level .............................................16
Oil Changes ........................................................16
Changing Oil Filter .............................................16
It may not be reproduced in whole or in part without the written permission of Northern Lights, Inc.
© Northern Lights, Inc. All rights reserved. Litho U.S.A. Publication number OM843NW3 5/21
for Model
M843NW3, M843NW3G
Proprietary Information
This publication is the property of Northern Lights, Inc.
OM843NW3 5/21
1
Air Cleaner ..........................................................17
V-Belts ................................................................17
Valve Clearances .................................................18
Fuels - General ....................................................19
Fuel Filters ..........................................................19
Injector Service ...................................................20
Injection Pump ....................................................20
Cooling System - General ...................................22
Water Quality ......................................................22
Checking Coolant Level .....................................22
Cooling System Flushing ....................................22
Heat Exchanger ...................................................23
Raw Water Pump ................................................23
Exhaust Elbow ....................................................23
Generator Ends ...................................................23
Electrical System - General ................................23
Glow Plugs ..........................................................23
Booster Batteries .................................................24
Battery Care ........................................................24
Power Take-Off (PTO) ........................................24
Winterizing / Out-of-Service ..............................24
Electrical .............................................................25
Engine .........................................................26 - 28
WIRING DIAGRAMS
AC Wiring ...................................................29 - 32
DC Wiring ...................................................33 - 41
Panel Wiring ...............................................42 - 44
DC Electrical ........................................... 45 - 48
Panel Diagrams ...........................................49 - 52
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Table of Contents
