SERVICE MANUAL | 67070 Plunger Pump
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PLUNGER DISASSEMBLY
1.33 Remove seal retainers with wicks.
1.34 Separate the 2-piece retainer and remove the
wick. Inspect all three (3) parts for damage
and replace as needed.
Servicing the Seals
1.35 Use an adjustable wrench or 30 mm
combination wrench to loosen the plunger
retainers.
1.38 Remove keyhole washer and barrier slinger.
1.36 Grasp ceramic plunger and turn
counterclockwise to remove plunger
from plunger rod.
1.39 Remove plunger retainer from ceramic
plunger.
1.37 Inspect ceramic plungers for damage.
1.40 Use a pick to remove backup ring, O-ring
and gasket from plunger retainer.
NOTE:
Examine O-rings and backup rings for cuts
or wear and replace with new parts as found in the
seal kit as needed.