SERVICE MANUAL | 67070 Plunger Pump
16
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Servicing the Valves
VALVE DISASSEMBLY
2.00 Use a 14 mm hex bit socket with ratchet to
remove the twenty-four (24) M16 x 30 Hex
Socket Head (HSH) screws from the valve
plugs.
2.01 Place two (2) large flat tip screwdrivers into
slots on opposite sides of valve plug and pry
upwards.
2.02 Remove valve plugs with O-rings.
2.05 Remove coil spring.
2.06 Remove spring washer.
2.07 Use an M12 HSH screw and hand thread into
threaded hole on top of spring retainer.
2.03 Inspect O-ring for damage.
2.04 Use a pick to remove O-ring from each
valve plug.
NOTE: Two (2) valve kits are required to repair the pump (see data sheet PN 99DAT048).
NOTE: Discharge and inlet valve assemblies
are identical (use procedure below for
disassembly and reassembly of discharge
and inlet valves).