
SERVICE MANUAL | 67070 Plunger Pump
17
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Servicing the Valves
VALVE DISASSEMBLY
2.09 To separate spring retainer from valve seat
for inspection purposes, insert a flat tip
screwdriver between spring retainer and
top of valve and pry upwards until there
is a small gap.
2.08 Grasp M12 HSH screw and pull upwards to
remove complete valve assembly.
NOTE:
If spring retainer separates from valve seat.
Remove spring and valve from manifold. Use a
reverse pliers (PN 30696) to remove valve seat.
NOTE: Examine valve seats, valves and springs
for grooves, pitting or wear and replace with a
new valve kit as needed.
NOTE: Examine O-rings and backup rings for
cuts or wear and replace with a new valve kit
as needed.