Onan NHM Series User Manual

Table of Contents
SECTION TITLE
PAGE
SAFETY PRECAUTIONS
Inside Front Cover
1 INTRODUCTION .................................................. 1-1
2 GENERAL SPECIFICATIONS ...................................... 2-1
3 DIMENSIONS AND CLEARANCES ................................. 3-1
4 TORQUE SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
5 PREPARING FOR SERVICE ....................................... 5-1
Troubleshooting ................................................. 5-1
Safety .......................................................... 5-1
Special Tools .................................................... 5-2
Removing the Genset
............................................ 5-2
6 ENGINE - PRIMARY SYSTEMS .................................... 6-1
Troubleshooting Engine Primary Systems ........................... 6-2
Exhaust System
................................................. 6-6
Cooling System ................................................. 6-7
Ignition System
................................................. 6-1 0
Cylinder Compression Test
...................................... 6-13
Crankcase Breather Assembly
................................... 6-13
Governor and Carburetor Adjustments ............................ 6-14
Fuel System
................................................... 6-19
Electric Starter ................................................. 6-35
7. CONTROL ....................................................... 7-1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
Control Description {Mechanical-governor generator sets) ............ 7-2
Control Operation
............................................... 7-3
Control Description {Electronic-governor generator sets)
.............. 7-8
Control Operation
.............................................. 7-1 0
Control Troubleshooting
......................................... 7-15
A. WARNING: A.
The engine exhaust from this product
contains chemicals known to the State
of California to cause cancer, birth
defects or other reproductive harm.

Onan NHM Series Specifications

General

Brand	Onan
Model	NHM Series
Category	Inverter
Language	English