Notice, Spindle break-in, Recommended adjustments – Grizzly G9249 User Manual

Page 21

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g9249 12" x 37" Belt drive gap Bed lathe

-19-

NOTICE

Successfully complete all of the spindle

break-in steps to avoid rapid deterioration

of the spindle bearings and other related

parts.

Spindle Break-In

To correctly break-in the spindle bearings:

1. disConneCt lAthe FroM poWer!

2. Make sure the lathe is properly lubricated

(refer to

Lubrication on Page 47 for detailed

instructions).

3. set the motor and drive belts for the lowest

spindle speed and engage the back gear
(refer to

Spindle Speed on Page 34 for

detailed instructions).

4. disengage the power feed by moving the

feed rod/leadscrew lever to the neutral (cen-
ter) position (refer

Headstock controls on

Page 20.

5. re-connect the machine to power.

6. pull up on the spindle direction lever to start

spindle rotation counterclockwise. let the
lathe run for a minimum of 10 minutes.

7. stop the spindle rotation and allow the spin-

dle to come to a complete stop.

8. push down on the spindle direction lever to

start spindle rotation counterclockwise. let
the lathe run for a minimum of 10 minutes.

9. stop the spindle and disconnect the machine

from power.

10. repeat Steps 6–8 for each of the spindle

speeds.

11. turn the lathe OFF. the spindle break-in is

complete and your lathe is ready for opera-
tion.

For your convenience, the adjustments listed
below have been performed at the factory.

however, because of the many variables involved
with shipping, we recommend that you at least
verify the following adjustments to ensure the best
possible results from your new machine.

step-by-step instructions for these adjustments
can be found in the

SERVIcE section starting on

Page 53.

factory adjustments that should be verified:

gib adjustment (

Page 56)

tailstock alignment (

Page 28) and lock

adjustment (

Page 57)

Cross slide backlash (

Page 57)

Recommended

Adjustments

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