Craftsman 137.375640 Operator's Manual page 38

CHANGING THE BELT (FIG. MM)
o Unplug your saw.
1. Loosen the three bolts (1) and
remove the belt cover (2).
2. Loosen the set screw (3) with
a 4 mm he× key and six hex
screw (4) with a 5 mm hex key
counterclockwise to move the motor
forward.
3. Remove and replace the belt.
4. Lift the motor housing up and
retighten the set screw (3).
5. Retighten the hex screws (4)
clockwise. Do not overtighten.
6. Replace the belt cover and tighten
all bolts.
Fig. MM