Pump Housing - WACKER Group PG 2 Repair Manual

Disassembly/Assembly Procedures

5.10 Pump Housing

See Graphic: wc_gr003499
5.10.1 Remove the drain plug (5) from the bottom of the pump housing and
5.10.2 Remove the four screws (6) securing the pump housing (7) to the back
5.10.3 Lightly tap the pump housing with a plastic mallet to break the seal, and
5.10.4 Thoroughly clean any debris from the pump housing (7), volute (9),
5.10.5 Remove the volute (9) and the clean O-ring (10) and the intake port.
5.10.6 Check the clearance between the impeller (11) and the volute (9). Add
5.10.7 Inspect the O-rings (12 and 10). Grease the O-rings lightly before
5.10.8 Mount the pump housing (7) to the flange (8). Secure evenly with the
wc_tx000608gb.fm
Removal:
drain the water from the pump housing.
pump flange (8).
remove the pump housing.
and flange (8).
Installation:
shims as required. See section Adjusting Impeller Clearance .
assembly. Make sure the areas where the O-rings seat are clean.
screws (6). Torque the screws to 37 Nm (26 ft.lbs.).
Note: The pump housing MUST seal flush around the rear flange.
Replace the pump flange if it appears warped or bent.
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PG Repair