Porter-Cable 36-678 Saw User Manual


 
15
MOTOR PULLEY, PULLEY GUARD,
AND DRIVE BELT
1. DISCONNECT MACHINE FROM
POWER SOURCE.
2. Remove the motor shaft key that is taped to the
motor.
3. Insert key (A) Fig. 20, in the keyway on the motor
shaft. Assemble motor pulley (B) on motor shaft as
shown, with the hub of the pulley out. Tighten set screw
(C) against key (A) in motor shaft.
4. Slide the belt and pulley guard bracket (G) Fig. 22,
between the motor plate (A) and motor mounting plate
(C), as shown.
6. Position belt and pulley guard bracket (G) Fig. 23, so
the motor pulley (B) is centered and through the hole in
the belt and pulley guard bracket (G), as shown in Fig.
24. Tighten the four hex nuts that fasten the motor to the
motor mounting plate.
7. Using a straight edge, align the motor pulley with the
arbor pulley. If necessary, adjust the motor pulley (B)
Fig. 23, in or out on the motor shaft.
8. Lift up on the motor and assemble the drive belt (H)
Fig. 24, to the arbor pulley and motor pulley (B). The
weight of the motor will provide the correct belt tension.
5. Place a 1/4" external tooth lockwasher onto a 1/4-
20x1-1/2" hex head screw. Insert the screw (D) Fig. 22,
through the hole in the belt and pulley guard bracket (G)
as shown in Fig. 22.
Fig. 20
C
A
B
Fig. 22
A
C
G
D
Fig. 23
G
B
D
E
F
Fig. 24
H
B