Service Manual

49PG / PE Series
REMOVAL, INSPECTION AND
ASSEMBLY OF INPUT SHAFT
Refer to Figure 15.
Disassembly
1. Remove the retaining ring (22).
2. Remove the lip seal (20).
3. Remove the spacer (21).
4. Remove the shaft (18) from the pump.
Inspection
1. Inspect the input shaft (18) for worn splines,
surface damage, or keyway damage. Replace
shaft assembly if necessary.
2. Inspect the bearing (19) for evidence of scoring,
corrosion, or damage. Replace shaft assembly
if necessary.
3. Inspect and replace the spacer (21) if it is bent
or broken.
4. Inspect and replace the retaining ring (22) if it
is bent or broken.
NOTE: Replace the input shaft seal (20)
after removal.
Assembly
Figure 15. PG / PE Pump Input Shaft
1. Install input shaft assembly (18, 19, 23) into the
housing (1) bore. Light tapping with a rubber
mallet may be necessary on the input shaft (18)
once the bearing is aligned with the housing (1)
bore. Rotate the input shaft (18) to insure free
movement.
2. Install spacer (21).
3. Install new lip seal (20).
4. Remove the plastic wrap.
5. Install retaining ring (22).
NOTE: If trunnion arm is to be removed,
delay reassembly of input shaft assem-
bly.
NOTE: Upon removal, it is recommended
that all seals, O-rings and gaskets be re-
placed. During installation, lightly lubri-
cate all seals, O-rings and gaskets with
clean petroleum jelly prior to assembly.
Also, protect the inner diameter of seals
by covering the shaft with plastic wrap.
1
18
19
23
21
20
22