Changing Belt

To remove the old belt:

1.DISCONNECT LATHE FROM POWER!

2.Release belt tension as described in

Changing Speed Ranges on Page 19, then remove the belt from the lower pulley.

3.Loosen both set screws on the spindle handwheel (Figure 47), and turn it clockwise to unthread and remove it.

 

Spindle Handwheel

Spindle Pulley

Lock Collars

 

Figure 47 Set screw locations.

4.Loosen the set screw on the spindle pulley and both lock collars (refer to Figure 47 for set screw locations).

5.Tap the spindle far enough out of the head- stock that the belt can be removed. A rubber or wooden mallet may be required. Take care not to damage the spindle threads or to lose parts in the process (Figure 48).

Figure 48. Belt removal.

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To install new belt:

1.Place the new belt over the spindle pulley.

2. Slide the spindle back through the headstock and into the original position. A mallet may be required.

3.Install the headlock spindle handwheel and tighten both set screws.

4.Loosely install the belt on the motor pulley in the inner or outermost position.

5.Adjust the spindle pulley position on the spindle shaft to ensure proper belt align- ment (Figure 49), then tighten the pulley set screw.

Correct Alignment

Incorrect

Alignment

Figure 49. Proper belt alignment.

6.Position the spindle RPM sensor ring in-line with the RPM sensor. Slide the lock collars snug against each side of the sensor ring, then tighten the set screws (Figure 50).

Lock Collars

RPM Sensor Ring

RPM Sensor

Figure 50. RPM sensor.

7.Complete the new belt installation by fol- lowing Steps 6-9in the Changing Speed Ranges procedure on Page 19.

G0657/G0658 Benchtop Lathe

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Image 34
Grizzly G0658, G0657 owner manual Changing Belt, To remove the old belt, To install new belt