Service manual

Single Stage Snowthrower Service Manual 5 - 3
DRIVE SYSTEMS
3. Align the crankshaft pulley and rotor pulley with a
straight edge (ie. ruler, piece of wood, etc...)
(Figure 63).
Figure 63 0217-035
4. When both pulleys are aligned with respect to the
straight edge, tighten the allen head screws on the
crankshaft pulley.
5. If the idler pulley is not centered with respect to
the V-belt, adjust by bending the idler arm.
6. Refer to "Replacing Drive Belt" on page 5 - 1.
Complete step 7.
Crankshaft Pulley Replacement
1. Refer to "Replacing Drive Belt" on page 5 - 1.
Complete steps 1 through 4.
2. Loosen the two allen head screws on crankshaft
pulley. Slide pulley off crankshaft (Figure 62).
3. Slide replacement crankshaft pulley on the
crankshaft. Be certain to align the keyway (slot) in
the crankshaft pulley with the location key on the
crankshaft. Should the location key on the
crankshaft show signs of wear, replace (Figure
64).
Figure 64 0217-036
4. Refer to "Belt Alignment" on page 5 - 2 (Figure
63). Perform steps 3 through 5.
5. Refer to "Replacing Drive Belt" on page 5 - 1.
Complete steps 5 through 7.