General Pump MW Repair Manual - Manual (Page 48)

GENERAL PUMP
A member of the Interpump Group
MW/S SERIES
Page 48
To remove the low pressure seal, use a thickness gauge or another tool which will not damage the seal
support housing (1, fig. 175).
2.2.6 Re-assembling the Plunger Unit - Support - Seals
Proceed with re-assembly following the reverse order indicated in point 2.2.5.
Replace the pressure seals moistening the lips with silicone grease (without spreading
it), taking extra care not to damage them during liner insertion.
The O-rings and the low pressure seals must be replaced at each disassembly.
Separate the seal support from the liner (1, fig. 173) to access the pressure seals (1, fig. 174).
Ref 300791 Rev.C
11-12