Craftsman 536.886440 - Manual (Page 22)

SERVICE AND ADJUSTMENT
fraction Drive Belt
Idler Pulley
Auger Drive
Be\\
Belt Guide
Drive
Pulley
3.
4.
5.
Loosen
this nut
Figure 23
Loosen the nut on the idler pulley
and move the pulley toward the belt
about 1/8". See Figure 23.
Tighten the nut.
Press the auger drive lever. Check
the tension on the belt {opposite au­
ger idler pulley).
The belt should
deflect about 1/2” with moderate
pressure (See Figure 24).
Auger idler
Pulley
Engaged
Drive
Pulley
1/2 Inch
Deflection
Figure 24
NOTE: If the adjustment is not correct,
repeat the adjustment.
6. Replace the belt cover.
7. Check the clutch control cable ad­
justment.
8. Reconnect the spark plug wire.
Traction Drive Belt
The traction drive belt has constant
spring pressure and does not require
adjustment. Replace the traction drive
belt if it is slipping. See To Replace
Belts paragraph in this section.
F-001087J
TO REPLACE BELTS
The drive belts on this snow thrower
are of special construction and should
be replaced with original equipment
belts available from your nearest
Craftsman Store. A distributor’s list is
supplied in the parts manual.
You will need the assistance of a sec­
ond person while replacing the belts.
How To Remove The Auger Drive Belt
If the auger drive belt is damaged, the
snow thrower will not discharge snow.
Replace the damaged belt as follows.
1. Remove the gas from the gas tank.
Stand the snow thrower up on the
front end of the auger housing.
A WARNING: Drain the gasoline
outdoors, away from fire or
flame.
2. Disconnect the spark plug wire.
3. Remove the screw from the belt
cover. Remove the belt cover. See
Figure 22.
4. Remove the bolts on each side of
the motor mount frame. See
Figure 25.
5. Loosen the bolts on each side of
the motor mount frame. The au­
ger housing
and the motor mount
frame will separate, hinged by the
bolts.
Motor
Mount
Frame
Bottom
Panel
Auger
Housing
22
Remove top ii
bolt (each
side)
Loosen bottom bolts
(Each Side)
Figure 25
6. Loosen the belt guide. Pull the belt
guide away from the auger drive
pulley. See Figure 23.
7. Loosen the nut on the idler pulley.
Pull the idler pulley away from the
auger drive belt.