Auger Gearcase Replacement; Remove Gearcase Assembly; Install Gearcase Assembly - Ariens Professional Sno-Thro Series Service Manual

See Figure 69.
9. Tighten three hex nuts securing bearing plate to auger
housing.
10. Apply anti-seize compound to impeller shaft end.
11. Reinstall attachment drive pulley onto impeller shaft
and secure with locking washer and hex bolt. Torque
to 7.9 N•m – 16.5 N•m (5.8 lb-ft – 12.2 lb-ft).
2
1
1. Impeller Shaft
2. Hex Nut
12. Reinstall housing to frame. See Reinstall Auger
Housing on page 11.
13. Reconnect spark plug wire.
Figure 69

AUGER GEARCASE REPLACEMENT

Remove Gearcase Assembly

IMPORTANT: 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 31.
See Figure 70.
4. Remove two flat steel washers from auger shaft.
5. Remove two roll pins retaining impeller to impeller
shaft and remove impeller.
IMPORTANT: Use of penetrating oil or heat may be
necessary to remove impeller.

Install Gearcase Assembly

1. Install 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 shaft
end.
4. Reinstall augers. See Install Auger on page 32.
5. Reconnect spark plug wire.
EN – 34
Figure 70