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13.7 SCRAPER BLADE
IMPORTANT:
If scraper blade wears too far auger/
impeller housing may be damaged.
Scraper blade is adjustable to compensate for wear.
To adjust scraper blade, raise and block Sno-Thro
securely. With runners adjusted to their full position,
loosen lock nuts retaining scraper blade, reposition it
down, (Flush with runners) and tighten lock nuts.
13.8 RUNNERS
Runners should be adjusted as conditions require.
Raising or lowering runners controls distance scraper
blade is held above surface to be cleared.
When operating unit on gravel surface, lower runners
so that the housing will not pick up gravel. On concrete,
black-topped, or packed snow surfaces raise runners
so that the scraper blade scrapes clean. To reduce
tendency of housing to ride up over heavy, wet, or
hardpacked snow, remove runners and install in their
narrow edge down position.
To adjust runners, place unit on a flat level surface and
insert a spacer under center of scraper blade that will
provide desired clearance. loosen runner hardware,
raise or lower runners to surface unit is resting upon,
and tighten hardware.
NOTE:
Uneven rear tire pressure or runner adjustment
will result in uneven clearing.
13.9 DISCHARGE CHUTE CABLE
To adjust discharge chute cable, loosen clamp, rotate
discharge chute in desired direction (to stop), and
reposition cable. Tighten clamp and replace guard.
13.10 AUGER/IMPELLER, GEAR CASE
REMOVAL
1. Remove taptite, washer, cap screw, washer, and
lock washer securing belt guard to housing and
remove belt guard.
2. Remove belt from pulley.
3. Remove set screws securing pulley to worm shaft
and remove pulley and woodruff key.
4. Remove three nuts securing flange bearing to
housing and remove bearing.
5. Remove cap screw, lock washer, washer, and
flange bushing from ends of auger shaft. Remove
rib neck bolts and flange whiz lock nuts securing
bearing supports to housing and remove supports.
6. Pull auger/impeller and gear case from housing.
7. Remove two way lock nuts and shear bolts
securing augers to auger shaft and remove augers.
8. Drive roll pins securing impeller to worm shaft and
remove impeller.
13.11 GEAR CASE
1. Remove four bolts from bearing flange.
2. Remove flange and gasket.
NOTE:
At this point bronze gear cannot be removed.
3. Using bearing adjustment wrench remove
adjustment plug.
4. While holding input shaft in one hand and using a
mallet, strike case until bearing cone pops out of
the case.
5. Bronze gear can then be removed from case.
6. After bronze gear is removed, input shaft can be
removed.
NOTE:
It is not necessary to remove the end cap from
case.
7. To remove worm gear and bearings, simply
remove bolt and washer from end of shaft.
8. Check all parts for wear or damage and replace as
necessary.
9. Assembly is done by inserting bronze and worm
gear at same time.
10.Using adjustment wrench, tighten down on
adjustment plug until input shaft is snug.
11.Replace side cover using a sealant on threads of
two bottom bolts.
Gear Case Lubrication
Fill gear case with Ariens Special L-2 Gear Lubricant
(Part No. 000080) until lever reaches bottom of threads
in filler hole.
Check auger gear case lubricant level every 25 hours
of operation.
To check, place unit in a warm location over night to
allow lubricant to flow to level. Remove filler plug.
Lubricant must be at least up to bottom of filler hole
with unit resting on a level surface (extra lubricant will
not damage gear case).
CAUTION:
Adjust auger/impeller housing
height to provide clearance over gravel or
crushed rock surfaces to avoid throwing these
objects.