Instructions / Assembly

wc_tx004021gb_FM10.fm

PT2 / PT3 General Maintenance

Continued from the previous page.

3. Remove the volute (c) and clean the impeller (d) with a 50-50 mixture of bleach

and water before working on it.

4. Check clearance between the impeller and the insert by slowly pulling the

starter rope to turn the impeller. If starter rope is difficult to pull, or rubbing is

heard from inside pump, the impeller and insert are too close to each other.

Remove a shim (e) from behind the insert and check again for rubbing.

Continue removing shims until the impeller turns easily.

Note:

■ It is important not to remove too many shims or the clearance between the

impeller and the insert will become too wide and pump performance will be

reduced.

■ As the impeller wears down, additional shims may be required to maintain the

clearance between the impeller and the insert.

5. Re-install the pump housing cover.

Result

The impeller has now been inspected.

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