Porter-Cable 36-679, 36-649, 36-678, 36-675 Motor PULLEY, Pulley GUARD, and Drive Belt

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.

C

A

B

Fig. 20

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.

D

G C

A

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.

Fig. 22

F

D E

B

G

Fig. 23

H

B

Fig. 24

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