31
Replacing Large Sprocket (P/N I161)
1. Remove the PTO guard cover and reduction chain. Refer to
REPLACING/REPAIRING PARTS - Snowblower
Reduction Chain
in this section.
2. Remove the four (4) carriage bolts and nuts securing the reduction box assembly to the frame and remove
the reduction box assembly.
3. Remove set screws on the large sprocket, and remove large sprocket from the gearbox drive shaft.
4. Install new large sprocket by reversing the removal procedure.
5. Reinstall the reduction box and chain by reversing the removal procedure.
6. Lubricate and tension the reduction chain. Refer to
LUBRICATION - Snowblower Reduction Chain
, and
ADJUSTMENTS - Snowblower Reduction Chain Tension
in this section. Reinstall the PTO guard.
ADJUSTMENTS
Snowblower Skid Shoes
Adjust the skid shoes to allow the required clearance under the blade. On
level, paved surfaces,
adjust the
skid shoes to allow 0 to 1/4 in. (0 to 6 mm) clearance between the cutting edge and the surface. On
uneven
or gravel surfaces,
allow 1/2 to 5/8 in. (13 to 16 mm) clearance, depending on the size of the gravel. Refer
to Figure 4.7.
0 to 1/4 in. (5 to 6 mm)
clearance for level, paved surfaces
1/2 to 5/8 in. (13 to 16 mm)
clearance for uneven or gravel surfaces
Figure 4.7: Skid Shoe Height Adjustment
Summary of Contents for H12
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