Service Manual

Maintenance Auger Gear Box Oil Service (cont'd)
Figure
3
Maintenance Impeller Drive Belt Adjustment
If the auger/impeller belt slips resulting in decreased
snowthrowing performance, an adjustment is required.
WHENEVER
A NEW BELT IS INSTALLED, AN
ADJUSTMENT
IS REQUIRED.
1. Remove the three flanged head capscrews
securing the belt cover to engine frame and slide
belt cover up the cables.
2. Check idler and brake adjustment. There should
be a minimum clearance of 3 mm (1/8”) between
the tab on the impeller idler arm and the brake
arm. See Figure
4. If there is less than 3 mm (1/8'”)
clearance, the belt must be replaced.
Figure
4
3. Loosen the upper jam nut securing the auger/
impeller cable to the mounting bracket. See
Figure
5.
4.
5.
6.
7.
8.
Rotate the bottom jam nut upward to increase belt
tension.
NOTE: When adjusting the cable, always rotate
the nut one turn at a time.
NOTE: Do not adjust the
belt too tight because it
may cause the auger/impeller to turn when the
auger/impeller is in
the disengaged position. If this
occurs, readjust the lever by loosening belt
tension.
Tighten upper jam nut against bracket.
CAUTION: Improper adjustment may cause
injury if auger/impeller turns when the lever
disengages. Use only genuine Toro replacement
parts.
Recheck the idler and brake adjustment referring
to step
2.
Reinstall the belt cover.
Check tension of belt by operating the auger.
If the
belt slips, repeat procedure.
Maintenance Traction Drive Belt Adjustment
If the traction belt slips during operation, an adjustment
is required. Whenever the belt is replaced, an
adjustment is required.
1. Loosen the upper jam nut securing the traction
cable to the mounting bracket.
2. Rotate the bottom jam nut upward to increase belt
tension.
Power Shift Snowthrowers
37 Maintenance