Operator`s manual

EN – 21
AUGER GEARCASE REPLACEMENT
Remove Gearcase Assembly
NOTICE: Save all hardware for reinstallation.
1. Stop engine, remove key and wait for all moving parts
to stop and for hot parts to cool.
2. Disconnect spark plug wire from engine.
3. Remove augers. See Remove Auger on page 18.
See Figure 32.
4. Remove two flat steel washers from auger shaft.
5. Remove two roll pins securing impeller to impeller
shaft and remove impeller.
Install Gearcase Assembly
1. Reinstall impeller onto new impeller shaft.
2. Align holes in impeller with holes in impeller shaft and
reinstall roll pins.
3. Reinstall one flat steel washer onto each side of auger
shaft.
4. Reinstall augers onto new auger shaft. See Install
Auger on page 19.
5. Reconnect spark plug wire.
IMPELLER REPLACEMENT
Remove Impeller
NOTICE: Save all hardware for reinstallation.
1. Stop engine, remove key and wait for all moving parts
to stop and for hot parts to cool.
2. Disconnect spark plug wire from engine.
3. Separate auger housing from frame. See Separate
Auger Housing from Frame on page 10.
See Figure 25.
4. Remove hardware securing attachment drive pulley
and hub to auger housing and remove pulley
assembly.
5. Loosen, but DO NOT remove hardware securing
bearing plate to auger housing.
6. Remove hardware securing auger bushings to auger
housing.
See Figure 27.
7. Remove auger assembly from auger housing.
See Figure 32.
8. Remove two roll pins securing impeller to impeller
shaft and remove impeller.
Install Impeller
1. Install new impeller onto impeller shaft.
2. Align holes in impeller with holes in impeller shaft and
reinstall roll pins.
See Figure 30.
3. Reinstall auger assembly into housing so impeller
shaft is seated in ball bearing at rear of auger housing.
4. Align holes in bushings on auger ends with holes in
auger housing and secure with six tapping screws.
Tighten hardware.
See Figure 31.
5. Tighten three hex nuts securing bearing plate to auger
housing.
6. Align hub on attachment drive pulley with impeller
shaft.
7. Reinstall attachment drive pulley assembly onto
impeller shaft and secure with locking washer and hex
bolt. Torque to 5.8 – 12.2 lbf-ft (7.9 – 16.5 N•m).
8. Reinstall attachment drive belt. See Install Attachment
Drive Belt on page 12.
9. Reconnect spark plug wire.
Figure 32
1. Roll Pin
2. Impeller
3. Flat Steel Washer
1
2
3