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For Machines Mfg. Since 3/11 Turn-Nado
®
EVS Lathes
-35-
PREPARATION
Spindle Break-In
Before subjecting the lathe to full loads, it
is essential to complete the spindle break-in
process as described below. This will ensure the
best results and maximum life of the precision
components inside the lathe.
The break-in procedure must be performed
in succession with the Test Run procedure
described in this manual, because many of the
test run steps prepare the lathe controls for the
break-in process.
Important: Do not perform the break-in
procedure independently from the Test Run
section—serious damage could occur to the lathe
if the controls are set differently than instructed
in that section.
Do not leave the lathe unattended during the
Spindle Break-In procedure. If your attention
is needed elsewhere during this procedure,
stop the lathe and restart the procedure later
from the beginning.
5. While the oil is still warm and any metal
particles may still be suspended in the oil,
change the headstock and gearbox oil (refer
to Lubrication beginning on Page 68 for
detailed instructions).
6. Check, and if necessary, re-tension the
V-belts (refer to V-Belts on Page 81 for
detailed instructions).
Congratulations! The spindle break-in is
complete.
To perform the spindle break-in:
1. Successfully complete the Test Run
procedure beginning on Page 32.
2. Using the speed dial on the control panel
and the spindle speed range lever to set the
spindle speed, run the lathe for ten minutes
at each of the following speeds: 55, 180, 600,
and 1800 RPM.
3. Use the foot brake to stop spindle rotation,
then reverse spindle rotation and run the
lathe at 1800 RPM for 10 minutes.
4. Use the foot brake to stop spindle rotation,
then run the lathe at 180 RPM for ten
minutes with the gearbox range lever on the
headstock in the L (low) position, and then
run the lathe for another ten minutes with
the lever in the H (high) position.
For your convenience, the adjustments listed
below have been performed at the factory.
However, because of the many variables involved
with transporting the machine during shipping,
we recommend that you at least verify the
following adjustments to ensure the best possible
operational results from your new machine.
Step-by-step instructions for these adjustments
can be found on the pages referenced below.
Factory adjustments that should be verified:
s 4AILSTOCKALIGNMENTPage 45).
s #OMPOUNDANDCROSSSLIDEBACKLASH
adjustment (Page 78).
s 'IBADJUSTMENTSPage 79).
Recommended
Adjustments