TM
5-3431-203-15
Before operating the unit, see
Warning:
that the ground terminal lug is properly con-
nected by one of the methods referenced in
paragraph 2-4b. An ungrounded machine can
cause death by electrocution of personnel
coming in contact with it.
c. Water Connections. Refer to figure 2-
1C and connect suitable pipe and fittings to
the welding machine.
Refer to
d. Gas Connections.
2-1 and connect suitable pipe and fittings to
the welding machine.
Note. When installing the welding machine, allow at
least 18 inches clearance on all sides for proper ventila-
tion.
2-5. Equipment Conversion
a. General. The welding machine can oper-
ate on either 230 or 460 volts by the correct
positioning of the voltage change bars.
b. Voltage Change Bar Positioning.
(1) Remove the screws on the contractor
and voltage change bar access panel
and open door.
(2) Refer to figure 2-2 and place the volt-
age change bars in the desired posi-
tion.
Warning: Do not reposition volt-
age change bars while power source
is connected to the machine. To do
so could cause a serious electrical
shock and possible death.
Figure 2-2. Voltage change bars for 230 or 460 volts.
Section II. MOVEMENT TO A NEW WORKSITE
Warning: When using a lifting device to
2-6. Dismantling for Movement
lift the welding machine, make sure it has a
a. Disconnect cables from load connection,
safe lifting capacity of at least 1,000 pounds.
external power source ground connections,
Do not allow the welding machine to swing
and hoses and/or piping from gas and water
freely when being lifted. Failure to observe
connections (para 2-4).
this warning may cause damage to the equip-
b. If the welding machine is to be moved
ment or serious injury to personnel.
within a building, it can be skidded or moved
with a forklift. If the welding machine is to
be moved other than a short distance, cover
2-7. Reinstallation After Movement
the water and gas connection fittings and load
Refer to paragraph 2-4 for reinstallation in-
it on a truck or other suitable carrier with a
structions after movement to a new worksite.
suitable lifting device.