14
9.0
Maintenance/Lubrication
Lathe must be serviced at all
lubrication points and all reservoirs filled to
operating level before the lathe is put into
service. Failure to comply may cause serious
damage to the lathe.
The ZH series lathe is shipped with oil in the
reservoirs. Coolant is not included.
Use clean lubricants and check levels often,
including before each working shift. To ensure
proper lubrication, oil levels should not be less than
the center of the oil sight glass. Try not to overfill,
as this may cause leakage.
A chart is supplied in section 15.0 for quick
reference to all lubrication points.
Unless specified otherwise, the lubrication points
require a non-detergent, ISO 68, SAE 20W oil. The
recommended brand for this lathe is Mobil DTE
®
Oil Heavy Medium.
1. Headstock – Oil must be up to indicator mark
in oil sight glass at the rear of the headstock.
[NOTE: The sight glass on the front of the
headstock (A, Figure 8) verifies operation of
the oil pump, the one at rear of headstock (not
shown) indicates oil level]. Top off with SAE
20W oil. Fill by removing the rubber mat and
unscrewing the plug (B) on top of the
headstock.
2. To drain the headstock, remove the nut on the
drain pipe (C, figure 9). Drain oil completely
and clean out all metal shavings, then rinse
the casting case with kerosene. During the
breaking-in process for the lathe, the first oil
change should be after 10 days; the second
after 20 days. Then change the oil in the
headstock every three months.
Figure 8 – Headstock lubrication
Figure 9 – Lubrication points
3. Oil Filter – The filter should be cleaned once a
month. To access, open the top cover on the
headstock, unscrew the nut on the oil line, and
pull up the oil line to bring the filter up. See
Figure 10. Use a brush to clean.
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