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117
Repairing the Pump
Installing the Continuous Seal Wash Option
4 Remove the support rings from the plunger
housing and lift the housing away from the
plungers.
5 Check the plunger surface and remove any
deposits or layers. Cleaning can be done with
alcohol or tooth paste. Replace plunger if
scratched.
6 Install the support ring assembly from the
seal wash option kit into the plunger housing.
7 If necessary replace the pump seals (see
page 112 ). Reassemble the pump head
(see page 121 ).
Support ring
Plunger housing
Plunger
Plunger surface
Seal keeper
Seal wash support ring
Plunger housing
Plunger
Seal