MAGNUM 250 LX - INSTALLATION
Spool Gun Familiarization
Become familiar with your spool gun before connecting to welder. For features described below, refer to 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 or
.035 (0.9 mm) diameter wire. Wide groove feeds 3/64 inch (1.2
mm)diameter wire. Gun is shipped with wide groove or 3/64 in operating position (toward handle). Reverse roller for .030 or .035 inch (0.9 mm) diameter wire.
5.Gas nozzle directs gas flow around arc. Pull off gas nozzle to see contact tip and gas diffuser. Spool gun is shipped with 3/64th inch (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
3.Connect
4.Connect spool gun GAS hose to Gas solenoid fitting.
GAS HOSE AND
5/8 FITTING
RECEPTACLE
+ POSITIVE
CABLE AND STUD
5. Reconnect power and turn on machine.
| ELECTRODE WIRE |
POWER CABLE | SPOOL COVER |
E
F
D
G
A
C
B
"W" CLOCKED CONNECTOR
(VIEWED FROM FRONT OF CONNECTOR)
|
|
| TORCH |
| |
| RED | FUNCTIONS |
| ||
A | + | - | TORCH | ||
B | BLACK |
| 5K 3 | MOTOR | |
WHITE | 1 | CW | |||
G | |||||
GREEN |
| 2 | TORCH | ||
|
| ||||
D |
| POT | |||
BLUE |
|
| |||
C |
|
|
| ||
|
|
|
| ||
E | BROWN |
|
| TORCH | |
YELLOW/ORANGE |
|
| TRIGGER | ||
F |
|
| |||
|
|
|
| ||
| PRESSURE | |
| ROLLER | |
| CABLE | |
| ASSEMBLY | |
| NECK | |
GAS HOSE | GAS | |
DIFFUSER | ||
|
CONTACT TIP
WIRE SPEED
CONTROL
7 PIN CONTROL |
|
|
PLUG FOR | DRIVE | TRIGGER |
TRIGGER, WIRE | ROLL | |
SPEED MOTOR |
|
|
| DRIVE ROLL | GAS NOZZLE |
| RELEASE | |
|
| |
| LEVER | HANDLE |
|
|
4