Mains Connection; Initial Lubrication; Starting Operation; Break In Procedure - Promac GH-1440W Operating Instructions Manual

Fig 3
Caution:
The machine is heavy (995
kg)! Use great care.
Assure the sufficient
capacity and proper condition of
your lifting devices.
Never step underneath
suspended loads.
Use a machinist's precision level on
the bed ways and check to make
sure that the lathe bed is level.
The lathe bed must be level to
be accurate.

5.3 Mains connection

Mains connection and any
extension cords used must comply
with applicable regulations.
The mains voltage must comply
with the information on the machine
licence plate.
The mains connection must have
a 16 A surge-proof fuse.
Only use power cords
marked H07RN-F
Connections and repairs to the
electrical equipment may only be
carried out by qualified electricians.
Connection takes place on the
appropriate terminal in the electrical
cabinet on the back of the machine.

5.4 Initial lubrication

The lathe must be serviced at all
lubrication points and all reservoirs
filled to operating level before the
lathe is placed into service!
Failure to comply may cause
serious damage to the lathe!
(see chapter 8 for lubrication).
After one month of operation the
oil must be changed on headstock,
gearbox and apron.
The coolant tank has to be filled
with coolant (see chapter 8.7)

5.5 Starting operation

Before starting the machine
check the proper chucking (see
chapter 6.2).
Turn ON the main power switch
(located at the electric box at the
rear of the machine).
You can now start the machine with
the forward/ reverse lever (A, Fig 4).
load
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 (H, Fig 2-2) and
the chuck guard (J) 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 650 rpm for the first 6 hours.
Fig 4
6

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.
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

Fig 5
A....Foot break
B....Micro stop for carriage