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Pinion, Clutch, Clamp, Field, & Engine
Disassembling these parts can start from the pinion
housing or from the clutch, if no pinion service is
needed.
Removing the Pinion Housing
WARNING
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 7.
NOTE: Refer to Fig. 30 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 29 for more information.
NOTE: To disassemble the pinion, continue with Repair-
ing the Pinion, below. To disassemble more of the
sprayer, go to page 32. To reassemble the sprayer from
this point, skip ahead to Reassembly, page 38, 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.
223–189, which includes the shaft and bearings pre–as-
sembled and lubricated.
NOTE: Refer to Fig. 31 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).
If starting from the pinion housing , first follow Steps
1 to 6 of DRIVE HOUSING, on page 29, and then contin-
ue with the procedure below.
If starting from the clutch , see page 32.
Pinion Housing
2. Push on the front of the shaft (138b) to force the
3. Install the new shaft assembly (138a), pushing it to
4. Install the rings (138e and 138m).
5. Skip ahead to Reassembly, page 38, Step 7, or
Fig. 30
bearing and hub assembly out of the housing
(138p).
the shoulder of the pinion housing (138p).
continue on page 32.
See page 31
67
59
61
55a
138p
138k
67
59
0040
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