Spindle Break-In; Recommended Adjustments - Grizzly G9249 Owner's Manual

Spindle Break-In

NOTICE
Successfully complete all of the spindle
break-in steps to avoid rapid deterioration
of the spindle bearings and other related
parts.
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.
g9249 12" x 37" Belt drive gap Bed lathe
Recommended
Adjustments
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)
•
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