Apron And Spindle Break-In; Spindle Balancing - Grizzly G0600 Manual Insert

Apron and Spindle
Break-in
NOTICE
Failure to follow beak-in procedures will
likely cause rapid deterioration of bearings
and other related parts.
It is essential to closely follow the proper break-in
procedures to ensure trouble free performance.
Complete this process once you have familiarized
yourself with all instructions in this manual and
completed the test run.
To break-in the spindle:
1. Make sure that the headstock, gearbox,
apron, and lead screw and feed rod oil bath
oil levels show full. Follow all lubrication
procedures highlighted in Lubrication in the
MAINTENANCE section on Page 51 of this
manual.
2. Make sure there are no obstructions around
or underneath the chuck and that the chuck
is secured to the spindle. Refer to Chuck and
Faceplate Mounting on Page 24.
3. Set the spindle speed to the lowest RPM;
refer to section Setting RPM on Page 35.
4. Move the headstock and gearbox levers so
the feedrod and leadscrew are engaged.
Refer to section Using the Thread Cart on
Page 40 for lever combinations.
5. Make sure that the halfnut lever is disen-
gaged, and that the apron and cross feed
feed lever is in neutral. Refer to section
Power Feed on Page 37 for lever combina-
tions.
6. Turn the lathe ON and let it run for a minimum
of 10 minutes.
7. Turn the lathe OFF, shift the levers to the
next highest RPM and repeat Steps 5-6 for
each RPM setting in both directions. DO NOT
LEAVE THE AREA!
G0600 20" x 60" Big Bore Lathe

Spindle Balancing

After the spindle has been broken in, or if the lathe
has been used for a considerable amount of time,
you should adjust the spindle weights to minimize
spindle vibration.
To minimize spindle vibration:
1. Run the lathe for five minutes on the fastest
RPM.
2.
DISCONNECT LATHE FROM POWER!
3. Open the side cover, loosen the counter
weight set screws (Figure 14), and reposition
one or both counterweights to a new posi-
tion around the circumference of the spanner
nut.
4.
Close the side cover, reconnect to power,
restart the lathe, and run at 1600 RPM.
5.
Place your hand on the headstock cover and
feel for harmonic vibration.
6. Repeat Steps 2 through 5 until any vibration
is reduced to its minimum.
7. Now, repeat Steps 2 through 5 at 1100 RPM
until any vibration is reduced to its minimum.
Figure 14. Spindle counterweights.
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