AMMCO 6000 Heavy Duty Drum/Disk Lathe - Manual (Page 22)

Drive Belt Replacement
When replacing drive belts, the following procedure must be
followed:
1. Turn the wall switch OFF.
2. Remove the arbor and drawbar from the spindle.
3. Remove the upper and lower belt guards.
4. Remove the spindle pulley and the spindle belt.
5. Remove the counter shaft bushing and the counter shaft
belt.
6. Remove the access door, then the motor pulley and the
motor belt.
To remove the motor pulley:
a. Remove both set screws.
b. Insert a set screw into the threaded hole and tighten.
This will loosen the bushing, Fig. 4.
To install the motor pulley:
a. Clean the motor shaft, the bore, the outside of the
bushing, and the hub bore of all oil and dirt.
b. Insert the bushing in the hub and match the hole
pattern.
Note: Each hole will be threaded on one side only.
c. Oil the set screws and thread them into the holes
indicated in Fig. 4.
d. Alternately tighten the set screws. Torque to 175 in. lbs.
(1210 bushing - with 3/8 screws) or 55 in. lbs. (1008
bushing - with 1/4 screws).
To install new timing belts, reverse the procedure. Be sure the
motor pulley is correctly aligned.
Main Power Switch Bulb Replacement
1. Remove the red lens bezel by unscrewing it in a counter-
clockwise direction.
2. Pull gently on the black ring around the bulb to eject it.
3. Push the new bulb into the socket and replace the lens.
Drive Motor Brush Replacement
1. Turn the lathe OFF and turn the wall switch to its OFF posi-
tion.
2. Unscrew the brush retaining plugs from the motor and
remove the brushes, Fig. 5.
3. Install the new brushes and replace the retaining plugs.
Brake Lathes
16 • AMMCO 6000, 6002 Brake Lathes
Figure 5 - Drive Motor Brush Replacement
Figure 4 - Motor Pulley Removal & Installation