Bosch SHU4306 - VIII. Troubleshooting; Circulation Pump - Service Index UC;14 Water Switch Parts Changes

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VIII.
VIII.
Troubleshooting
Troubleshooting
Circulation Pump
Circulation Pump
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–
Replacing Impellers (3)
Replacing Impellers (3)
Replacement impellers will have a green tint compared to
older impellers. The impeller ceramic ring should be pink
or bright white.
Note pink ceramic ring
around impeller shaft.
HINT: To remove an
impeller, place a 8mm
nut
driver (or similar tool) on
8mm stud in center of
impeller.
Impeller kit # 167085, showing front
and rear sides of impeller and carbon
ring (spring).
Carbon ring (spring)
Black spacer