Service And Adjustments - Poulan Pro PR8527ES Owner's Manual

SERVICE AND ADJUSTMENTS
WARNING: To avoid serious injury, before performing any service or adjustments:
l. Be sure throttle is in STOP position•
. Remove safety ignition key.
• 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 contact plug.
SNOW THROWER I
TO ADJUST SNOW THROWER HEIGHT
See "TO ADJUST SKID PLATES" and "SCRAPER BAR"
in the Operation section of this manual.
4.
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.
I & WARNING: To avoid serious injury, I
never operate your snow thrower with
the deflector removed or damaged•
• Tochange direction and/or distance snowis discharged,
see "TO CONTROL SNOW DISCHARGE" in the Op-
eration section of this manual.
SHEAR BOLTS (See Fig. 19)
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 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
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.
I CAUTION: Do not substitute• Use only original I
equipment shear bolts as supplied with your
I
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 com-
ponents. 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 Iocknuts and tighten securely•
CAUTION: Do not substitute• Use only original
equipment capscrew/shear bolts as supplied
with your snow thrower•
Connect spark plug wire to spark plug.
1/4-20 _ 1/4-20 x 1-5/8 1/4-20 x 2
LOCKNUT /J/[ "CAPSCREW / SHOULDER /
_/ SHEAR BOLT OLT
IMPELLER HUB
IMPELLER
SHAFT
I
AUGER
HUB
15
1/4-20
AUGER HUB AUGER SHAFT
FIG. 19
TO REMOVE BELT COVER (See Fig. 20)
1. Remove the two screws securing belt cover to frame.
2. Remove belt cover.
• Replace belt cover by installing cover and screws and
tighten securely•
SCREWS
FIG. 20
TO REPLACE BELTS (See Fig. 21)
The auger and traction drive belts are not adjustable. If the
belts are damaged or begin to slip from wear, they should
be replaced, It is recommended that the belt(s) be replaced
by a qualified service center,
NOTE: It is recommended that both the auger and traction
drive belt be replaced at the same time,
The V-belts on your snow thrower are of special construction
and should be replaced by original equipment manufacturer
(OEM) belts available from your nearest dealer, Using other
than OEM belts can cause personal injury or damage to
the snow thrower.