Onan 7NHM-FA/26105F - Page 4

SECTION TITLE
PAGE
8. GENERATOR ..................................................... 8-1
Generator/Control Component Descriptions ......................... 8-1
Generator Operation ............................................. 8-2
Generator Troubleshooting
....................................... 8-5
Generator/Ignition Component Service
............................. 8-8
Brushes and Slip Rings
.......................................... 8-13
Generator Testing
.............................................. 8-15
9 ENGINE BLOCK ASSEMBLY
...................................... 9-1
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1
Oil Filter and Adapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1
Cylinder Heads .................................................. 9-1
Valve System ................................................... 9-4
Gear Cover
..................................................... 9-9
Governor Cup (Mechanical} ...................................... 9-1 0
Timing Gears and Camshaft
..................................... 9-1 0
Lubrication System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-11
Piston Assembly ................................................ 9-13
Crankshaft
..................................................... 9-1 7
Cylinder Block
....... · ........................................... 9-18
Bearings
...................................................... 9-21
Oil Seals ...................................................... 9-22
1 0 SERVICE CHECKLIST
............................................ 1 0-1
Mounting ...................................................... 1 0-1
Lubrication ..................................................... 1 0-1
Wiring ......................................................... 1 0-1
Initial Start and Adjustments ..................................... 1 0-1
Output Check .................................................. 1 0-1
Exhaust System ................................................ 1 0-1
Fuel System ................................................... 1 0-1
Control ........................................................ 1 0-2
Mechanical
.................................................... 1 0-2
11 WIRING DIAGRAMS ............................................ 11-1
Appendix A TROUBLESHOOTING CHARTS . . . . . . .. . . . . .. . . . . .. . .. . . . . . . . . . .. . A-1
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