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Northern Lights M844W3 - User Manual
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OPERATOR’S MANUAL
OPERATOR’S MANUAL
OM844W3
For Models: M844W3, M844DW3, M844DW3G
M844L
W3, M844L
W3G, M20CR
W3
www
.northern-lights.com
2
Table of Contents
Main Page
Default Chapter
3
Table of Contents
3
Introduction
4
Unit Identification
4
Model Numbers
4
Serial Numbers
4
Warranty
5
Safety Rules
5
Lock out / Tag out Procedures
10
COMPONENT LOCATIONS M844W3 Marine Generator (Gem Series Base Frame)
11
M844W3 Marine Generator (2011 Base Frame)
12
M20CRW3 Commercial Generator
13
Control Panels
14
Operating Procedures
15
Break-In Period
15
Before Starting
15
Starting
15
Operating
15
Stopping
15
Shutdowns and Alarms
16
Spare Parts
16
Servicing Schedule Chart
17
Servicing
18
Lubrication - General
18
Checking Oil
18
Oil Changes
18
Changing Oil Filter
18
Air Cleaner
19
V-Belts
19
Valve Clearances
20
Fuels - General
21
Fuel Filters
21
Injector Service
22
Injection Pump
22
Cooling System - General
24
Water Quality
24
Checking Coolant Level
24
Cooling System Flushing
24
Heat Exchanger
25
Raw Water Pump
25
Exhaust Elbow
25
Generator Ends
25
Electrical System - General
25
Glow Plugs
25
Booster Batteries
26
Battery Care
26
PTO Care
26
Winterizing / Out-Of-Service
26
Troubleshooting
27
Electrical
27
Engine
28
WIRING DIAGRAMS AC Electrical
32
DC Electrical
35
Panel Diagrams
44
APPENDIX (Non-Current Production Diagrams) DC Electrical
48
Panel Diagrams
52
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Northern Lights M844W3 Specifications
General
Engine Model
M844W3
Manufacturer
Northern Lights
Cylinders
4
Type
Diesel
Cooling System
Liquid-cooled
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