Maintenance 5
Impeller Replacement:
For impeller replacement refer to Figure 2.
1. Loosen and remove the cover screws.
2. Remove the cover plate and the O-Ring.
3. Remove the outer wear plate.
4. Remove the old impeller and cam ring and
discardthem.
5. Examine the inner wear plate for wear. If it is
worn, remove it, turn it over and reinstall it.
6. Grease the outside diameter of the new cam
ring with silicone grease and install it.
7. Put a small amount of the same grease on the
inside diameter of the cam ring and on the
surface of thewearplate.
8. Install the new impeller. Be sure to align the
flat on the impeller with the flat on the motor
shaft. See Figure 3.
9. While installing the impeller, twist it in a
clockwise direction (impeller blades will be
bent). See Figure 4.
10. Reinstall the outer wearplate and O-Ring.
11. Reinstall the cover plate.
12. Reinstall the screws. Tighten the screws
moderately first and then snug them down.
To replace the Fuse (Refer to Figure 5):
1. Gently pull the fuse holder apart and remove
the old fuse (See Step 1).
2. Push the new fuse firmly up into the fuse
holder (See Step 2).
3. Reassemble the fuse holder (See Step 3).
Inner
Wear
Plate
Outer
Wear
Plate
Cam
Ring
Impeller