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GLYCOL PUMP
18
Repair Guide
INSPECTING PARTS
Figure 25.1
Figure 24.1
STEP 24
PILOT PISTON BEARING
Replace If there is a groove in the O-Ring surface
NOTE: Check inside wall for any groove (Fig. 24.1)
STEP 25
PISTON ROD GLAND
Replace if the surface where the Backup sits shows
inward wear. (Fig. 25.1)
Check this area for flatness, excessive washouts, or
communicating holes get damage.
Note: This surface gets damaged very easily and could
result in leaks between the Body and the Gland.
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