Kohler 12RES, Service Manual

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TP-6196 5/04 67 Section 6 Disassembly/Reassembly
4. Secure the generator set to the skid.
a. Raise the alternator end of the generator set
and remove the block of wood from beneath the
rear of the engine.
b. Lower the end of the generator set and reinstall
the screws and washers that secure the
vibromount mounting plate to the generator set
skid. See Figure 6-16.
5. Tighten the hardware to the following torques. See
Figure 6-16.
a. Tighten the rotor thrubolt to 40 Nm (28 ft. lb.). It
may be necessary to keep the engine flywheel
from turning while torquing the rotor thrubolt.
b. Tighten the four alternator assembly overbolts
to 7 Nm (60 in. lb.).
6. Reinstall the end bracket components.
a. Install the brush holder onto the end bracket.
Verify that the brushes are not sticking in the
holder.
1
GM29253B-P
1. OBROUND holes for overbolts (4)
1
Figure 6-15 End Bracket
b. Verify that the brushes are centered on the slip
rings. If required, insert spacers between the
mounting surface and brush holder to center
the brushes on the slip rings. See Figure 6-17.
See
Section 5.6, Brushes, for more
information.
c. Reinstall the brush cover onto the alternator
end bracket. Verify that the brush leads are not
pinched between the brush cover and end
bracket.
7. Reinstall the alternator air inlet duct. Orient the
duct as shown in Figure 6-18.
8. Install the exhaust shield. See Figure 6-18.
tp6196
1
2
3
1. Alternator assembly overbolts
2. Rotor thrubolt
3. Vibromount plate
Figure 6-16 Generator Set, Right Side
5632716
1
2
3
1. Brush holder
2. Brushes
3. Slip rings
Figure 6-17 Brush Positioning