Service Manual

102 PR Series
Refer to Figure 13.
Disassembly
1. Remove the block spring (20).
2. Remove the thrust washer (19).
3. Remove the thrust bearing and race (17).
Inspection
1. Inspect and replace the block spring (20)
and thrust washer (19) if they are distorted or
broken.
2. Inspect the running surface of the bearing race
for damage, nicks or unusual wear patterns. The
running surface may show evidence of minor
abrasion. This will be normal wear.
Inspect the bearings for free movement. Inspect
the bearing cage for distortion or damage.
Replace if necessary.
Assembly
1. Install thrust bearing and race assembly (17).
REMOVAL, INSPECTION AND
ASSEMBLY OF BLOCK SPRING,
THRUST WASHER, AND THRUST
BEARING
Figure 13. PR Pump Block Spring and
Thrust Bearing
Refer to Figure 14.
Disassembly
1. Remove the swashplate (31).
Inspection
1. Inspect the running surface of the bearing pocket
for damage (31), nicks or unusual wear patterns.
The running surface may show evidence of
minor abrasion. This is normal wear. Inspect
the cradle bearing side of the swashplate (31)
for damage. Replace if necessary.
2. Inspect the cradle bearings attached to the inside
of the housing (15) for normal wear patterns,
placement, and insure they are staked securely
in place. If damaged, replace housing (15).
REMOVAL, INSPECTION OF
SWASHPLATE, INSPECTION OF
CRADLE BEARINGS
NOTE: The cradle bearings will have
discoloration due to normal wear. Under
normal circumstances, this will not war-
rant replacement.
Figure 14. PR Pump Swashplate and
Cradle Bearings
2. Install thrust washer (19).
3. Install block spring (20).
Assembly
1. Install swashplate (31) by holding trunnion arm’s
(13) slot guide (14) with a at tip screwdriver.
Use the screwdriver to hold the slot guide (14)
in place while positioning the swashplate (31)
onto the cradle bearing in the housing (15).
2. Rotate trunnion arm (13) to assure swashplate
pivoting action.
20
19
17
20
19
17
31
14
13
15
(Cradle Bearings cannot be
removed from housing as depicted)
NOTE: The difference in race thickness-
es: The thin race seats into the swash-
plate. The thicker race will be installed
toward the piston noses.