Waters Prep Series Installation And Maintenance Manual page 138

Outlet check valve assembly
Caution:
tweezers to handle the parts after cleaning them and when
reassembling the outlet check valve.
To reassemble outlet check valves:
1. Position the housing so that you can look down into the pump head.
2. Insert the housing seal into the pump head.
3. Place the seat assembly into the pump head. Face the shiny side
upward.
3-54 Troubleshooting, Testing, and Maintenance
OUTLET CHECK
Outlet check valve housing
VALVE HOUSING
Seal guide
SEAL GUIDE
Retainer clip
RETAINER CUP
Sleeve
SLEEVE
Ball
BALL
Seat
SEAT
Seal housing
SEAL HOUSING
Pump head
To protect the parts from contamination, use forceps or