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 34.
4. Remove two flat steel washers from auger shaft.
5. Remove two roll pins securing impeller to impeller
shaft and remove impeller. Use of penetrating oil or
heat may be necessary to remove impeller.
Install Gearcase Assembly
1. Reinstall impeller onto impeller shaft.
2. Align holes in impeller with holes in impeller shaft and
reinstall roll pins.
3. Reinstall one flat steel washer onto each auger end.
4. Reinstall augers onto 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 27.
4. Remove hardware securing attachment drive pulley
assembly to auger housing and remove assembly.
5. Loosen, but DO NOT remove hardware securing
bearing plate to housing.
6. Remove hardware securing auger bushings to auger
housing.
See Figure 29.
7. Remove auger assembly from auger housing.
See Figure 34.
8. Remove two roll pins securing impeller to impeller
shaft and remove impeller. Use of penetrating oil or
heat may be necessary to remove impeller.
Install Impeller
1. Install impeller onto impeller shaft.
2. Align holes in impeller with holes in impeller shaft and
reinstall roll pins.
See Figure 32.
3. Reinstall auger assembly into housing so impeller
shaft is seated in ball bearing at housing rear.
4. Align holes in bushings on auger ends with holes in
auger housing and secure with six tapping screws.
Tighten hardware.
See Figure 33.
5. Tighten three hex nuts securing bearing plate to auger
housing.
6. Apply anti-seize compound to impeller shaft end.
7. Reinstall attachment pulley assembly onto impeller
shaft and secure with locking washer and hex bolt.
Torque to 8 – 16.5 N•m (5.8 – 12.2 lb-ft).
8. Reinstall attachment drive belt. See Install Attachment
Drive Belt on page 12.
9. Adjust attachment clutch / brake. Refer to Operator’s
Manual for adjustment procedure.
10. Reconnect spark plug wire.
IMPORTANT: Check all adjustments after first use.
Figure 34
1. Roll Pin
2. Impeller
3. Flat Steel Washer
1
2
3
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