Sears 944.529571 - Manual (Page 17)

SERVICE AND ADJUSTMENTS
WARNING: To avoid serious injury, before performing any service or adjustments:
A 1. Be sure the on/off switch is in the OFF position.
2. Remove safety Ignition key.
3. Make sure the augers and all moving parts have completely stopped.
4. Disconnect spark plug wire from spark plug and place wire where It cannot come In contact
with plug.
SNOW THROWER
TO ADJUST SNOW THROWER HEIGHT
See “TO ADJUST SKID PLATES” and “SCRAPER BAR”
in the Operation section of this manuai,
CHUTE DEFLECTOR
The chute deflector, attached to the top of the discharge
chute, is provided to direct discharging snow away from
the operator. If the deflector becomes damaged, it shouid
be repiaced.
A
WARNING: To avoid serious Injury,
never operate your snow thrower with
the deflector removed or damaged.
• To change direction and/or distance snow is discharged,
see “TO CONTROL SNOW DISCHARGE” in the Op­
eration section of this manuai,
SHEAR BOLTS (See Fig. 20)
AUGER SHEAR BOLTS
Both right and ieft-hand augers are secured to the auger
shaft with a spacer, shear boit and hex nut, Shouid a foreign
object or ice become iodged in the augers, the shear boits
are designed to break, preventing damage to any other
components. If one or both augers do not turn when auger
control lever is engaged, check to see if one or both of the
boits have sheared. To repiace the shear boits:
1, Disengage aii controis and move throttie controi to
STOP position. Wait for aii moving parts to stop,
2, Remove safety ignition key and disconnect spark piug
wire from spark piug, Piace wire where it cannot come
in contact with spark piug,
3, Aiign hoie in auger hub with hoie in auger shaft and
instaii a new 1/4-20 x 2" shear boit, Instaii 1/4-20
iock nut and tighten secureiy,
CAUTION: Do not substitute. Use only original
equipment shear bolts as supplied with your
snow thrower.
4, Insert safety ignition key and reconnect spark piug wire
to spark piug,
IMPELLER SHEAR BOLTS
The impeller is secured to the impeiier shaft with two (2)
capscrew/shear boits and hex nuts, Shouid aforeign object
or ice become iodged in the impeiier, the capscrews are
designed to break, preventing damage to any other com­
ponents, If impeller does not turn when auger control lever
is engaged, check to see if the capscrews have sheared.
To repiace the capscrew/shear boits:
1, Disengage aii controis and move throttie controi to
STOP position. Wait for aii moving parts to stop.
2
,
Remove safety ignition key and disconnect spark piug
wire from spark piug, Piace wire where it cannot come
in contact with spark piug.
3, Aiign hoies in impeiier hub with hoies in impeiier shaft
and instaii two (2) new 1/4-20x1-5/8" capscrew/shear
boits, Instaii 1/4-20 iocknuts and tighten secureiy,
CAUTION: Do not substitute. Use only original
equipment capscrew/shear bolts as supplied
with your snow thrower.
4, Insert safety ignition key and reconnect spark piug wire
to spark piug.
TO REMOVE BELT COVER (See Fig. 21)
1, Remove the two screws securing beit cover to
frame,
2, Remove beit cover,
• Repiace beit cover by instaiiing cover and screws and
tighten secureiy.
FIG. 21
17