Pinion - Graco 231-316 Series C Instructions Manual

Remove the Pinion Housing
WARNING
INJECTION HAZARD
To reduce the risk of serious injury,
whenever you are instructed to relieve
pressure, follow the Pressure Relief
Procedure on page 10.
NOTE: Refer to Fig. 9 for Steps 1 to 2.
1. First remove the two bottom screws (3) and
lockwashers (4) from the clutch housing (222), and
then remove the top three screws and
lockwashers.
2. Pull the pinion housing (219) away from the clutch
housing (222). The armature (212b) will come out
still attached to the clutch housing. Pull the arma-
ture off the hub inside the pinion housing.
NOTE: To disassemble the pinion, go to Repairing
the Pinion. To disassemble more of the sprayer, go to
page 18. To reassemble the sprayer from this point,
skip ahead to Reassembly, page 21, Steps 3 and 4.
See Fig. 10
222
212b
219
Fig. 9

Pinion

3
4
02695
Repairing the Pinion
NOTE: Repair Kit No. 236–394 includes the shaft and
bearings pre-assembled and lubricated. A hydraulic
press is not required. Use the repair procedure below.
NOTE: If purchasing the pinion parts separately,
the repair must be done by a qualified technician since
parts must be press fit. Refer to the parts drawing on
page 28.
NOTE: Refer to Fig. 10 except where noted.
1. Remove the retaining ring (218e).
2. Remove the large ring (217) from the bearing re-
cess of the pinion housing (219).
3. Pull the the pinion output shaft (218) out of the
housing (219).
4. Install the new pinion output shaft (218) into the
pinion housing, pushing it to the shoulder of the
housing (219).
5. Install the rings (218e and 217).
6. Go to Reassembly, page 21, Steps 3 and 4, or
continue on page 18.
218
219
Fig. 10
217
218e
Drive housing shown
removed for visual
purposes only
02787
308–327