Machine Operation - Jet GH-1640 ZX Operating Instructions Manual

Push the lever
- right and down for forward rotation
-right and up for backward rotation.
Return the lever to its 0-position to stop the machine.
The spindle jog button (D, Fig 6) advances the spindle
momentarily.
The foot break will stop all lathe functions and break down
the spindle rotation.
Attention:
Lathe still has electric power.
The emergency stop button (C, Fig 6) stops all machine
functions.
Attention:
Lathe still has electric power.
Turn emergency stop button clockwise to reset.
Note:
The pulley cover (N, Fig 2-2) and the chuck guard (O) are
limit switch protected. They must be closed to operate the
machine.
5.6 Break in procedure:
To allow time for the gears and bearings to break-in and run
smoothly, do not run the lathe above 560 rpm for the first 6
hours.

6. Machine operation

Warning:
Setup work may only be carried out after the machine is
protected against accidental starting.
With pressed emergency stop button.
Measurements and adjustments may be carried out when
the machine is at a standstill only.
Check the save clamping of the work piece before starting
the machine.
Never stop the rotating chuck or work piece with your hands.
Never place your fingers in a position where they could
contact any rotating parts or chips.
Fig 4
Remove cutting chips with the aid of an appropriate chip
hook when the machine is at a standstill only.
Always close the chuck guard and pulley cover before you
start the machine.
Choose a small spindle speed when working unbalanced
work pieces and for threading and tapping operations.
Never cut magnesium-
high danger to fire!
In case of danger step on the foot break and press the
emergency stop button.
6.1 Controls
A....Foot break
B....Micro stop for carriage
C....Bed cover (remove for cleaning)
8
Fig 5