SERVICE
Service Impeller
Changing Impeller
34
1. Park machine safely. Remove key.
2. Allow machine to cool.
3. Take off the front safety cover by removing the keeper pin and rotating cover
counterclockwise and pulling cover straight out of opening.
Front cover
Keeper pin
Cover
mounting ring
4. Remove the cover mounting ring by loosening and removing the twelve bolts holding
the ring to the blower housing. Use caution with the safety switch and wiring.
5. Remove the impeller retaining bolt. Use a 2”x4” or something similar to hold
the impeller and engine from turning.
6. Using a 3/4”-10 x 6” all-thread tap bolt, screw bolt into the nut welded on the impeller
to remove impeller from the engine crankshaft. Continue to tighten bolt until impeller
slides off engine shaft. Remove bolt from impeller.
Cover ring bolts
Impeller bolt
Caution
should be used when removing impeller, its heavy and there is not
enough room for your fingers in the opening with the impeller, hold onto
the impeller by the fins using gloves to remove it from the housing.
7. Remove old impeller.
8. Reinstall the new impeller on the engine shaft aligning the keyway.
9. Reinstall the impeller retaining bolt and washers with blue thread locker.
Tighten to 120 ft lbs.
10. Reinstall the cover mounting ring and safety cover switch.
11. Reinstall the safety cover and keeper pin.
