3-52 Troubleshooting, Testing, and Maintenance
The figure below shows an exploded view of the inlet check valve
assembly.
4. Clean and replace worn or damaged parts.
Inlet check valve assembly
Caution: To protect the parts from contamination, use forceps or
tweezers to handle the parts after cleaning them and when
reassembling the inlet check valve.
PUMP
HEAD
HOUSING SEAL
RETAINER CUP
SLEEVE
BALL
SEAT
SEAL GUIDE
INLET CHECK
VALVE HOUSING
Pump head
Housing seal
Retainer clip
Sleeve
Ball
Seat
Seal guide
Inlet check valve housing
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