Pinion Assembly/Clutch Armature/Clamp - Graco LineLazer IV 3900 Series Repair Parts List Manual

Pinion Assembly/Clutch Armature/Clamp

Pinion Assembly/Clutch Armature Removal
Pinion Assembly
If pinion assembly (25) is not removed from clutch
housing (85), do 1. through 3. Otherwise, start at 4.
1. Remove drive housing, page 12.
2. Fig. 12. Remove clip (251) and junction box (226).
3. Fig. 11. Disconnect pump stroke sensor and clutch
cables.
4. Fig. 4. Remove four screws (189) and lockwash-
ers (188) and pinion assembly (25).
189
188
Fig. 4
5. Fig. 5. Place pinion assembly (25) on bench with
rotor side up.
6. Remove four screws (170) and lockwashers (172).
Install two screws in threaded holes (E) in rotor.
Alternately tighten screws until rotor comes off.
189
188
25
ti5480b
175
172
E
Fig. 5
7. Fig. 6. Remove retaining ring (25e).
8. Tap pinion shaft (25d) out with plastic mallet.
25e
25d
Fig. 6
Clutch Armature
9. Fig.7. Use an impact wrench or wedge something
between armature (87) and clutch housing to hold
engine shaft during removal.
10. Remove four screws (175) and lockwashers (172).
11. Remove armature (87).
Fig. 7
E
ti5987c
ti5481b
86
25c
ti5482b
87
172
175
311020
8703A
8704A
13