Service/ adjustments, Service and adjustments, Snow thrower – Husqvarna 8024ST User Manual

Page 16

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16

SERVICE AND ADJUSTMENTS

WARNING: To avoid serious injury,
before performing any service or ad-
justments:

1. Be sure throttle is in STOP 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 manual.

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 should be
replaced.

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 manual.

SHEAR BOLTS

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
foreign object or ice become lodged in the augers, the
shear bolts 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 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
it wear it cannot come in contact with spark 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 substitute. Use only original
equipment shear bolts as supplied with your
snow thrower.

4.

Connect spark plug wire to spark plug.

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
designed to break, preventing damage to any other compo-
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
it wear it cannot come in contact with spark 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
equipment capscrew/shear bolts as supplied
with your snow thrower.

4.

Connect spark plug wire to spark plug.

TO REMOVE BELT COVER

1.

Remove the two (2) screws securing belt cover to
frame.

2.

Remove belt cover.

Replace belt cover by installing cover and screws and
tighten securely.

BELT

COVER

SCREWS

FRAME

AUGER

SHAFT

1/4-20 x 2

SHOULDER /

SHEAR BOLT

1/4-20
LOCKNUT

IMPELLER

SHAFT

1/4-20 x 1-5/8
CAPSCREW /
SHEAR BOLT

1/4-20
LOCKNUT

IMPELLER HUB

AUGER

HUB

AUGER

HUB

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