Pinion Assembly/Clutch Armature/Clamp - Graco GMAX II 3900 Repair Manual

Pinion Assembly/Clutch Armature/Clamp

Pinion Assembly/Clutch Armature Removal
Pinion Assembly
If pinion assembly (29) is not removed from clutch housing
(19), do 1. through 3. Otherwise, start at 4.
WARNING
Read Injection Hazard, page 3; Burn Hazard, page 4
1. Remove drive housing; page 9.
2. F . 4. Disconnect clutch cable connectors from inside of
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pressure control.
a. F . 14. Remove two screws (71) and swing down
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cover (130a).
b. Disconnect engine leads from board to engine.
c. Remove strain reliefs 130r and 123.
3. F . 4. Remove four screws (36) and pinion assembly (29).
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36
37
F . 4
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4. F . 5. Place pinion assembly (29) on bench with rotor
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side up.
5. Remove four screws (28) and lock washers (24). Install
two screws in threaded holes (E) in rotor. Alternately
tighten screws until rotor comes off.
10
36
37
19
29
ti5480a
Pinion Assembly/Clutch Armature/Clamp
28
24
E
F . 5
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6. F . 6. Remove retaining ring (29b).
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7. Turn pinion assembly over and tap pinion shaft (29a) out
with plastic mallet.
29b
29a
F . 6
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Clutch Armature
8. F . 7. Use an impact wrench or wedge something
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between clutch armature (25) and clutch housing to hold
engine shaft during removal.
9. Remove four screws (23) and lock washers (24).
10. Remove armature.
F . 7
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29
E
ti5481a
ti5987b
27
29d
ti5482a
310893L