Kimray GLYCOL PUMP - Pilot Piston Caps; Pilot Piston Valve Housing (Step 11)

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GLYCOL PUMP
12
Repair Guide
STEP 9
PILOT PISTON CAPS
NOTE: This procedure should be done on both sides of
the pump.
Loosen the bolts and remove the Pilot Piston Caps (Fig.
9.1), then remove the Backups from the Pilot Piston Caps
Remove O-Ring from the Pilot Piston Caps.
DISASSEMBLY
Figure 9.1
Figure 11.1
Figure 10.1
STEP 10
PILOT PISTON
Tap the pilot piston with a rubber hammer until you slide it
out of the pump (Fig. 10.1).
Remove O-Ring and Backup from the Pilot Piston Bearing.
NOTE: If the Piston Bearing is tight use the Kimray Seal
Retainer tool to remove it.
Using the Kimray Seal Retainer Tool: Introduce the Seal
Retainer Tool into the Pilot Piston Hole and tap it with the
hammer. After removing the Pilot Piston Bearing, remove
its O-Ring and Backup.
STEP 11
PILOT PISTON VALVE HOUSING
Place Pilot Piston Valve Housing in a vice. Remove the
needle valve handles and stem lock with an
Allen wrench (Fig. 11.1).