3.Release V-belt tension by pulling the belt tensioning lever forward, lift the headstock cover, then move the motor and spindle V-belts to the positions indicated by the chart in Figure 49.

For Example: If you require a spindle speed of 655 RPM, position the motor V-belt in the "B" position and the spindle V-belt in the "3" position, as shown in Figure 50.

Note: In the example above, the back gears are not engaged.

Motor V-Belt in

 

"B" position

 

Spindle V-Belt in

Belt

"3" Position

Tensioning

 

Lever

Figure 50. V-belt positions.

4.Close the headstock cover, then re-tension the V-belts by pushing the belt tensioning lever all the way back.

Always use the correct spindle speed and feed rate for your lathe operation to avoid the risk of injury to yourself or others from ejected workpieces or broken tools.

G9249  12" x 37" Belt Drive Gap Bed Lathe

To engage the back gears:

1.DISCONNECT LATHE FROM POWER!

2.Pull out the lock pin shown in Figure 51, and rotate it 90° so that it stays in the "out" posi- tion.

Back Gear Lever

Lock Pin

Figure 51. Back gear lever and lock pin.

3.Pull the back gear lever forward to engage the back gears with the spindle gears.

Note: It may be necessary to jog the spindle by hand to properly mesh the gears.

To disengage the back gears:

1.DISCONNECT LATHE FROM POWER!

2.Push the back gear lever back to disengage the back gears from the spindle gears.

3.Rotate the lock pin 90°, then rotate the spindle gear until the lock pins slips into the indent on the pulley.

4.Move the spindle back and forth by hand to make sure the lock pin is securely seated in the pulley.

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Grizzly G9249 owner manual To engage the back gears, To disengage the back gears