Lubrication - Jet GH-1440ZX Operating Instructions Manual

3. Inspect the camlock studs. Make sure they
have not become cracked or broken during
transit. Clean all parts thoroughly with
solvent. Also clean
camlocks.
4. Cover all chuck jaws and scroll inside the
chuck with #2 lithium tube grease. Cover the
spindle, camlocks, and chuck body with a
light film of 20W oil.
5. Lift the chuck up to the spindle nose and
press onto the spindle. Tighten in place by
turning the camlocks 1/4 turn clockwise. The
index mark (A, Figure 3) on the camlock
should be between the two indicator arrows
when tight (B, Figure 3). If the index mark is
not between the two arrows, remove the
chuck and adjust the camlock studs by
either turning out one full turn (if cams will
not engage) or turning in one full turn (if
cams turn beyond indicator marks.)
6. Install chuck and tighten in place.

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.
1. Headstock – Oil must be up to indicator
mark in oil sight glass (A, Figure 4). Top off
with Mobil DTE® Oil Heavy Medium. Fill by
removing the plug on top of the headstock.
To drain, remove drain plug on the left side
of the headstock at the lower rear corner.
Drain oil completely and clean out all metal
shavings. Refill after the first month of
operation. Then change the oil in the
headstock every two months.
2. Gearbox – Oil must be up to indicator mark
in oil sight glass (B, Figure 4). Top off with
Mobil DTE® Oil Heavy Medium. To add oil
to the gearbox, remove two screws on the
top cover and remove cover. To drain,
remove drain plug (C, Figure 4) on the left
side of the gearbox. Drain oil completely
and refill after the first three months of
operation. Then change oil in the gearbox
every six months.
3. Apron – Oil must be between indicator
marks in the oil sight glass (A, Figure 5).
Top off with Mobil DTE® Oil Heavy Medium.
Remove oil plug (B, Figure 5) to fill. To
drain, remove drain plug on bottom of
apron.
the spindle and
12
Figure 3
Figure 4
Figure 5