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GB - 23
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 16 and 17).
1. Remove attachment drive belt (See
Remove Attachment Drive Belt).
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 clevis pin.
3. Replace traction drive belt making sure
pulleys align. If alignment is necessary,
loosen camshaft pulley set screws,
reposition pulley and retighten set screws.
4. Replace attachment drive belt (See
Replace Attachment Drive Belt).
ATTACHMENT CLUTCH/BRAKE
ADJUSTMENT
Figure 17
1. Attachment Belt
Idler
2. Belt Finger
3. Attachment Drive
Belt
4. Traction Drive Belt
5. Camshaft Pulley
6. Engine Sheave
7. Traction Belt Idler
8. Attachment Pulley
9. Attachment Idler
Nut
1
2
3
4
5
6
7
8
9
OS0464
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.
WARNING: IMPROPER
ADJUSTMENT could result in
unexpected movement of auger and
impeller causing death or serious
injury. AUGER / IMPELLER MUST
STOP within 3 seconds when
Attachment Clutch/Impeller Brake
Bail is released.
WARNING: Adjustment procedure
requires the engine to be run with
the belt cover off. AVOID INJURY.
Read and understand the entire
Safety section before proceeding.