Ariens Sno-Thro 932311 Owner's/Operator's Manual page 22

1/16 to 1/8 in.
(1.6–3 mm)
1
2
1/16 to 1/8 in.
(1.6–3 mm)
1. Belt Finger
2. Belt
Figure 21
TRACTION DRIVE BELT REPLACEMENT
NOTE: Housing and frame must be tipped apart and
attachment drive belt removed from engine sheave in
order to change traction drive belt (Figures 19, 20, and
21).
CAUTION: Always support Sno-Thro frame
and blower housing when loosening the cap
screws holding them together. Never loosen
cap screws while unit is in service position.
1. Remove attachment drive belt (See Remove
Attachment Drive Belt on page 20).
2. Pull idler away from traction drive belt and
remove belt from idler, camshaft pulley and
driven pulley (it may be necessary to turn
camshaft pulley using recoil starter handle).
NOTE: To gain clearance, engage traction clutch and if
necessary pull back attachment idler arm.
3. Replace traction drive belt.
4. Replace attachment drive belt (See Replace
Attachment Drive Belt on page 21).
ATTACHMENT CLUTCH/BRAKE
ADJUSTMENT
WARNING: IMPROPER ADJUSTMENT
could result in unexpected movement of
2
auger and impeller causing death or serious
injury. AUGER / IMPELLER MUST STOP
within 5 seconds when Attachment
Clutch/Impeller Brake Lever is released.
WARNING: Adjustment procedure requires
the engine to be run with the belt cover off.
1
AVOID INJURY. Read and understand the
entire Safety section before proceeding.
1. Check attachment clutch lever measurement.
a. Start engine and run at full throttle.
b. Slowly squeeze the attachment clutch lever
until auger shaft begins to rotate.
OS7250
c. Measure the distance from the end of the
clutch lever to the handlebar as shown in
Figure 22. The distance between the clutch
lever and the handlebar should be 6 in. - 7 in.
(15,2 cm - 17,8 cm).
d. Shut off engine.
e. If clutch lever measurement is within
specified range, no adjustment is necessary.
If clutch lever measurement is outside the
specified range, follow steps 2 - 7.
2. Remove belt cover.
IMPORTANT: The clutch cable must be slack when
clutch lever is disengaged.
3. Adjust cable slack.
a. With the clutch lever disengaged, adjust
lower cable adjuster on the attachment clutch
arm so about 1/16" (2 mm) of thread extends
past the lower mounting nut (Figure 23).
b. With the clutch lever disengaged, adjust
upper cable adjuster on the cable mounting
bracket so about 5/16" (8 mm) of thread
extends past the upper mounting nut
(Figure 23).
c. Tighten the nuts with a wrench.
GB - 22
Attachment Clutch Lever
6 in. - 7 in.
(15,2 cm - 17,8 cm)
Figure 22
OS2490