Spool Gun Familiarization; Connecting To Power Source - Lincoln Electric Magnum PRO 250 LX Operator's Manual

MAGNUM PRO 250 LX & LX GT SPOOL GUN

SPOOL gUN FAMILIARIzATION

Become familiar with your spool gun before connecting to welder.
For features described below, refer to the figure on the next page.
1. Handle, gun can be used in either right or left hand.
2. Trigger operates welding power, gas flow, and wire feed.
3. Remote wire speed control, located behind the handle, controls
the speed of the drive motor.
4. Open body cover by flipping lid and observe the following:
a. Wire drive release lever up position moves pressure roller
away from drive roll to stop wire feed. Down position moves
pressure roller to wire. Operate wire drive release lever and
see pressure roller move.
b. Drive roll with two wire grooves. Narrow groove feeds
.030" (0.76mm) or .035" (0.9 mm) diameter wire. Wide
groove feeds 3/64 inch (1.2 mm) diameter wire. The gun is
shipped to weld 3/64" aluminum. The drive roll will be in
the 3/64" operating position. Reverse roller for .030 or .035
inch (0.9 mm) diameter wire.
E
F
D
G
A
C
B
"W" CLOCKED
CONNECTOR
(VIEWED FROM FRONT OF CONNECTOR)
5. Gas nozzle directs gas flow around arc. Pull off gas nozzle to
see contact tip and gas diffuser. Spool gun is shipped with
3/64" (1.2 mm) contact tip installed.
6.Electrode wire spool cover. Remove by unscrewing knob.
Electrode wire goes into gun through rear plastic tube.
7. Cable assembly for power, control, and gas. Reassemble gun
with spool of wire in spool holder. Hold gun and become familiar
with gun's weight and balance.

CONNECTINg TO POwER SOURCE:

1. Power source must be "off" and power cord disconnected.
2. Connect power cable to positive "+" stud. Connect work cable
& clamp to "-" stud.
3. Connect 7-Pin control cable plug to power source receptacle.
4. Connect spool gun GAS hose to Gas solenoid fitting.
5. Reconnect power and turn on machine.
GRAY
A
YELLOW
B
BLACK
G
GREEN
D
BLUE
C
BROWN
E
RED
F
3
INSTALLATION
7-PIN SPOOL GUN
RECEPTACLE
+ POSITIVE CABLE AND STUD
GAS HOSE AND 5/8 FITTING
TORCH
FUNCTIONS
+ -
TORCH
MOTOR
5K
1 3 CW
TORCH
2
POT
TORCH
TRIGGER