Service manual

2. Overhauling
2-6
(1) Procedures of disassembly
1. Remove cables from battery (-) terminal.
2. Remove brackets (or fittings for muffler, air filter and etc.) equipped on the bonnet.
3. Remove top cover and dismantle such parts on the bonnet so that generator main unit can be
pulled out.
4. Remove cables and pipes.
5. Remove mounting bolts of generator main unit and engine.
6. Remove engine cooling fan guard and fan shroud.
7. If necessary, remove radiator, radiator hoses, fuel tank and battery.
8. Insert a angle timber under the engine housing for inclining the engine.
9. Separate engine housing and generator stator.
10. Separate engine flywheel and generator rotor.
※If insulation film is damaged by contact of stator and rotor during disassembly of generator
main unit, perform varnish drying treatment to such portion.
(2) Demounting stator and rotor at the same time from engine
When demounting stator and rotor of generator
main unit at the same time from engine, place the
generator main unit with the engine coupling face
upward, and pull out the rotor.
At this time, stabilize the generator main unit
frame padded by wooden block at the bearing side
face.
(The generator main unit separated from engine
should be kept firm with the rotor in the stator
fastened by wire or rope to prevent them from
moving. Then start this job.)
SG06058
Generator coupling
Generator main unit
frame
Wooden block