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16
IMPELLER SHEAR BOLTS
The impeller is secured to the impeller shaft with two (2)
capscrew/shear bolts and hex nuts. Should a foreign object
or ice become lodged in the impeller, the capscrews are
de signed to break, preventing damage to any other com-
po nents. If impeller does not turn when auger control lever
is engaged, check to see if the capscrews have sheared.
To replace the capscrew/shear bolts:
1. Disengage all controls and move throttle control to
STOP position. Wait for all moving parts to stop.
2. Disconnect spark plug wire from spark plug and place
wire where it cannot come in contact with plug.
3. Align holes in impeller hub with holes in impeller shaft
and install two (2) new 1/4-20 x 1-5/8" capscrew/shear
bolts. Install 1/4-20 locknuts and tighten securely.
CAUTION: Do not substitute. Use only original
equip ment capscrew/shear bolts as sup plied
with your snow thrower.
4. Connect spark plug wire to spark plug.
WARNING: To avoid serious injury, before performing any service or ad just ments:
1. Be sure throttle is in STOP position.
2. Remove safety ignition key.
3. Make sure the augers and all mov ing parts have completely stopped.
4. Disconnect spark plug wire from spark plug and place wire where it can not contact plug.
MAINTENANCE
MUFFLER
Inspect and replace corroded muffl er as it could cre ate a
fi re haz ard and/or dam age.
SPARK PLUG
Replace spark plug at the beginning of each season or after
every 100 hours of operation, whichever occurs fi rst. Spark
plug type and gap setting are shown in the “PROD UCT
SPEC I FI CA TIONS” section of this manual.
CLEANING
IMPORTANT: For best performance, keep snow thrower
housing free of any dirt or trash. Clean the outside of your
snow thrower after each use.
WARNING: Disconnect spark plug wire
from spark plug and place wire where it
can not come in contact with plug.
• Keep fi nished surfaces/wheels free of gasoline, oil, etc.
• We do not recommend using a garden hose to clean
your snow thrower unless the electrical system, muffl er
and carburetor are covered to keep water out. Water
in engine can result in shortened engine life.
SERVICE AND ADJUSTMENTS
SNOW THROWER
TO ADJUST SNOW THROWER HEIGHT
See “TO ADJUST SKID PLATES” and “SCRAPER BAR”
in the Operation section of this manual.
CHUTE DEFLECTOR
The chute defl ector, attached to the top of the discharge
chute, is provided to direct discharging snow away from
the operator. If the defl ector becomes damaged, it should
be re placed.
WARNING: To avoid serious injury,
nev er operate your snow thrower with
the defl ector removed or damaged.
• To change direction and/or distance snow is dis charged,
see “TO CONTROL SNOW DISCHARGE” in the Op-
er a tion section of this manual.
SHEAR BOLTS (See Fig. 21)
AUGER SHEAR BOLTS
Both right and left-hand augers are secured to the auger
shaft with a shoulder/shear bolt and hex nut. Should a for-
eign object or ice become lodged in the augers, the shear
bolts are designed to break, preventing damage to any
other com po nents. If one or both augers do not turn when
auger control lever is engaged, check to see if one or both
of the bolts have sheared. To replace the shear bolts:
1. Disengage all controls and move throttle control to
STOP position. Wait for all moving parts to stop.
2. Disconnect spark plug wire from spark plug and place
wire where it cannot come in contact with plug.
3. Align hole in auger hub with hole in auger shaft and
install a new 1/4-20 x 2" shoulder/shear bolt. Install
1/4-20 lock nut and tighten securely.
CAUTION: Do not sub sti tute. Use only original
equip ment shear bolts as sup plied with your
snow thrower.
4. Connect spark plug wire to spark plug.
AUGER SHAFT
1/4-20 x 2
SHOULDER /
SHEAR BOLT
1/4-20
LOCK NUT
IMPELLER
SHAFT
1/4-20 x 1-5/8
CAPSCREW /
SHEAR BOLT
1/4-20
LOCKNUT
IMPELLER HUB
AUGER
HUB
AUGER HUB
FIG. 21