
SERVICE MANUAL | 25 Frame Plunger Pumps
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Servicing the Valves
2.31 Install discharge valve seat onto inlet spring
retainer and push assembly together until it
snaps into place.
2.29 Push assembly together until it snaps into
place.
2.30 Replace discharge valve backup ring, then
O-ring onto discharge valve seat.
2.32 Place discharge valve onto discharge valve
seat with tapered surface facing down.
2.28 Place inlet valve spring retainer onto inlet
valve seat.
VALVE REASSEMBLY
2.27 Place spring onto stepped side of inlet valve.
2.25 Hold inlet valve seat with tapered surface
facing up.
2.24 Replace inlet valve O-ring.
2.26 Place inlet valve onto inlet valve seat with
tapered surface facing down.