Break-In - Grizzly G0484 Owner's Manual

Break-In

After successfully completing the Test Run, it is
necessary run the mill/drill in each speed and
direction without a load to seat the bearings.
NOTICE
Only change spindle speed when the spindle
is stopped. Attempting to change spindle
speeds when the spindle is in motion will
damage the drive gears and bearings.
To perform the break-in procedure:
1. Press the emergency stop button in and
make sure the spindle is stopped.
2. Use the gearbox levers so that the spindle
RPM is set at 120.
G0484 Gear Head Mill/Drill
3.
Twist the emergency stop button clockwise
so that it pops out.
4.
Switch the spindle rotation dial to "F" (for-
ward) and let the spindle run for 10 minutes.
5. Press the emergency stop button in and wait
for the spindle to stop.
6. Switch the spindle rotation dial to "R" (reverse)
and let the spindle run for 10 minutes.
7. Repeat Steps 2–6 for the remaining RPM
ranges.
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