Service Manual

DRIVE SYSTEMS
5 - 16 Single Stage Snowthrower Service Manual
Figure 93 1854-34
20” CCR Models
The 20” CCR models have the engine pulley mounted
with a key and two set screws (Figure 92). Loosen the
set screws and the pulley will come straight off. When
installing a new pulley, apply blue Loctite to the set
screws, install the key in the crankshaft. Adjust and
tighten the setscrews as indicated in "ADJUSTING
PULLEY ALIGNMENT" on page 5 - 15.
ROTOR PULLEY REPLACEMENT
Powerlite Models
Remove the belt cover on the left hand side of the
machine. Remove the belt (Refer to "Replacing Drive
Belt" on page 5 - 1). Wedge a 2x4 into the paddles to
prevent rotation. Rotate the locknut in the center of
the pulley counterclockwise to remove (Figure 93).
Pull the pulley straight off.
To replace the pulley, place the pulley on the hub,
making sure the 4 lugs in the hub engage the holes in
the pulley (Figure 94). Install the washer and locknut.
Either use a new locknut or apply blue Loctite or
equivalent to the threads. Torque the nut to 16 ± 2
ft·lbs (22 ± 3 N·m).
Figure 94 1854-25
20” CCR Models
Remove the belt cover on the left side of the machine.
Remove the belt (Refer to "Replacing Drive Belt" on
page 5 - 1). Wedge a 2x4 into the paddles to prevent
rotation. Turn the bolt in the center of the pulley
counterclockwise to remove. Pull the pulley straight off
to remove (Figure 95). Note the pulley and shaft are
connected with a key. It may stay in the shaft or come
off with the pulley.
Figure 95 1854-01