Pinion, Clutch, Clamp, Field, & Engine
Disassembling these parts can start from the pinion
housing 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 31, and then contin-
ue with the procedure below.
If starting from the clutch
, see page 34.
Pinion Housing
Removing the Pinion Housing
WARNING
To reduce the risk of serious bodily injury, always fol-
low the
Pressure Relief Procedure W arning
on
page 4 before repairing the sprayer.
NOTE:
Refer to Fig. 35 for Steps 1 to 3.
1. Remove the two bottom screws (67) first, and then
remove the top three screws (67).
2. Pull the pinion housing (138p) away from the clutch
housing (61). The armature (55a) will come with it.
3. Pull out the armature (55a).
CAUTION
Do not lose the thrust ball (138k). Refer to the
CAU-
TION
on page 31 for more information.
NOTE:
To disassemble the pinion, continue with
Repair-
ing the Pinion
, below . T o disassemble more of the
sprayer, go to page 34. To reassemble the sprayer from
this point, skip ahead to
Reassembly
, page 39, Step 8.
Repairing the Pinion
NOTE:
A hydraulic press is required for disassembly and
reassembly if you purchase the pinion parts individually.
If you do not have such a press, use Repair Kit
No.
221–032, which includes the shaft and bearings pre–as-
sembled and lubricated.
NOTE:
Refer to Fig. 36 except where noted.
If using Repair Kit 221–032, follow Steps 1 to 5, below.
1. Remove the small ring (138e) from the hub (138f)
and the large ring (138m) from the bearing recess
of the pinion housing (138p).
2. Push on the front of the shaft (138b) to force the
bearing and hub assembly out of the housing
(138p).
3. Install the new shaft assembly (138a), pushing it to
the shoulder of the pinion housing (138p).
4. Install the rings (138e and 138m).
5. Skip ahead to
Reassembly
, page 39, Step 7, or
continue on page 34.
Fig. 35
138k
55a
59
67
61
59
67
138p
See page 33
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