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Use Champion OEM Shim/Gasket Kits Only: P/N 900737
Number and thickness of shims will vary between pumps.
Notches in a shim identies thickness.
Measure gap between impeller vanes and pump volute.
Minimum clearance must be .030” [0.76 mm].
Rotate the motor shaft CW to check proper
clearance. Reinstall assembly and test run
checking for leaks. Look at the rear of the motor
to make sure motor shaft rotation is CW.
Mechanical Service • Pump Seal Replacement
Mechanical • Basic Service Basic Service • Mechanical
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