Grizzly G9249 Tensioning Replacing V-Belts, Adjusting Motor V-Belt, Replacing Motor V-Belt

Tensioning/

Replacing V-Belts

Adjusting Motor V-Belt
Tools Needed	Qty
Wrench 18mm	1
To adjust the motor V-belt tension:

1.DISCONNECT LATHE FROM POWER!

2.Push the belt tensioning lever back to tension both belts (see Figure 90).

Belt

Tensioning

Lever

Figure 90. V-belt tensioning lever.

3.From the back of the lathe, check the motor V-belt deflection when moderate pressure is placed on the V-belt mid-way between the pulleys—it should be approximately 1⁄2" (see

Figure 91).

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Figure 91. Checking motor V-belt tension.

G9249  12" x 37" Belt Drive Gap Bed Lathe

4.To adjust the motor V-belt tension, loosen the jam nuts shown in Figure 92, then adjust the tensioning hex bolt to raise or lower the motor.

Tensioning	Jam Nuts
Hex Bolt

Figure 92. Motor V-belt tensioning hex bolt and

jam nuts.

5.Re-check the V-belt deflection, and, when you are satisfied with the setting, re-tighten the jam nuts.

Replacing Motor V-Belt
Tools Needed	Qty
Hex Wrench 5mm	1
To replace the motor V-belt:

1.DISCONNECT LATHE FROM POWER!

2.Pull the belt tensioning lever forward to release V-belt tension, then roll the motor V-belt off the motor pulley.

3.Raise the headstock cover.

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