Spindle Bearing Break-In; Recommended Adjustments - Grizzly G4000 Owner's Manual

8.
Make sure the chuck or spindle is rotating in
a counterclockwise direction (the top of the
chuck or spindle should be moving toward
the operator).
— if the chuck or spindle is not rotating in a
counterclockwise direction, move the spin-
dle switch to the stop position, discon-
nect the machine from power, then check
the motor and spindle switch wiring (refer
to the Wiring Diagram on page 55). if you
still cannot remedy the problem, contact
our tech support at (570) 546-9663 for
assistance.
9. turn the lathe OFF by moving the spindle
switch to the stop position.
Spindle Bearing
Break-in
NOTICE
Successfully complete all of the spindle
bearing break-in steps to avoid rapid dete-
rioration of the spindle bearings and other
related parts.
To perform the spindle bearing break-in:
1.
disConnECt LAthE FroM poWEr!
2. Make sure that you have successfully com-
pleted all of the Test Run steps in the previ-
ous procedure.
3. Configure the spindle belt for 120 rpM (refer
to Spindle Speed on page 32 for detailed
instructions).
4.
Connect the lathe to power, turn the spindle
switch to the FWd position, then let the lathe
run for 10 minutes.
Model G4000 (Mfg. Since 8/09)
5.
turn the spindle switch to the stop position
and wait for the spindle to come to a com-
plete stop, then turn the switch to the rEV
position and let the lathe run for another 10
minutes.
6. turn the spindle switch to the stop position
and wait for the spindle to come to a com-
plete stop.
7.
disconnect the lathe from power, then repeat
Steps 4–6 for the spindle speeds of 600 rpM
and 2000 rpM.
8. turn the lathe OFF.
9. perform all lubrication procedures as instruct-
ed in the Lubrication subsection on page
47.
the Spindle Bearing Break-in procedure is
complete and your lathe is ready for opera-
tion.
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 50.
factory adjustments that should be verified:
• tailstock alignment (page 27).
• gib adjustment (page 52).
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