Graco GM 3500 Instructions-Parts List Manual page 22

Disassembling these parts can start from the pinion hous-
ing or from the clutch, if no pinion service is needed.
If starting from the pinion housing , first follow Steps 1
to 6 of DRIVE HOUSING, on page 21, and then continue
with the procedure below.
Removing the Pinion Housing
WARNING
To reduce the risk of serious bodily injury, always fol-
low the Pressure Relief Procedure Warning on
page 13 before repairing the sprayer.
NOTE: Refer to Fig 22–1 for Steps 1 to 3, except where
noted.
1. Remove the two bottom screws (10) first, and then
remove the top three screws (10)).
19j
Fig 22–1
PINION, CLUTCH, CLAMP, FIELD & ENGINE
PINION HOUSING
10
11
2
4a
If starting from the clutch , see page 24.
2. Pull the pinion housing (19n) away from the clutch
housing (2). The armature (4a) will come with it.
3. Pull out the armature (4a).
Do not lose the thrust ball (19j). Refer to the CAU-
TION on page 21 for more information.
NOTE: To disassemble the pinion, continue with Repair-
ing the Pinion, page 23. To disassemble more
of the sprayer, go to page 24. To reassemble the
sprayer from this point, skip ahead to Reas-
sembly, page 29, Step 7.
SEE PAGE 25
19n
CAUTION
10
11