Jet GH-1640ZK, Operation And Maintenance Instructions

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13
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 ZK 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. Chuck – In addition to the lubrication already
described in section 8.3, daily lubricate the
chuck with SAE 20W oil through the ball oiler,
shown in Figure 8.
Figure 8 – Chuck lubrication
2. Headstock – Oil must be up to indicator mark
in oil sight glass on right side of headstock (A,
Figure 9). Top off with SAE 20W oil. Fill by
removing the rubber mat and unscrewing the
plug (B) on top of headstock.
To drain headstock, remove drain plug (C,
Figure 10). Drain oil completely and clean out
all metal shavings, then rinse the casting case
with kerosene. Refill after the first month of
operation, then change the oil in the headstock
every two months.
Figure 9 – Headstock lubrication
Figure 10 – Lubrication points
3. Gearbox – Oil must be up to indicator mark in
oil sight glass (D, Figure 9). Top off with SAE
20W oil. To add oil to the gearbox, remove
rubber mat and unscrew oil plug (E, Figure
10). To drain, remove drain plug from the pipe
(F, Figure 10). Drain oil completely and refill
after the first three months of operation. Then
change oil in the gearbox every six months.