Lincoln Electric RANGER IM612 Manuel d'utilisateur télécharger pdf (Page 22)

B-7

OPERATION

B-7

RANGER 8+ DIESEL

WELDING PROCESS

STICK (CONSTANT CURRENT) WELDING

Connect welding cables to the "TO WORK” and

"ELECTRODE” studs. Start the engine. Set the

"Polarity” switch to the desired polarity. Set the

“RANGE” switch to a setting that is equal to or slightly

greater than the desired welding current. (The

“RANGE” dial marking indicates the maximum

current

for that range). Fine adjustment of the welding current

is made by adjusting the output “CONTROL” or

remote control. For best arc stability, use settings

5 through 10.

The RANGER 8+ DIESEL can be used with a broad

range of AC and DC stick electrodes. See “Welding

Tips 1” included with the machine for electrodes with-

in the rating of this unit and recommended welding

currents of each.

TIG (CONSTANT CURRENT) WELDING

The K930-2 TIG Module installed on a RANGER 8+

DIESEL provides high frequency and shielding gas

control for AC and DC GTAW (TIG) welding process-

es. The TIG Module allows full range output control.

Afterflow time is adjustable from 0 to 55 seconds.

When using the RANGER 8+ DIESEL for AC TIG

welding of aluminum, the following settings and elec-

trodes are recommended:

WIRE FEED WELDING PROCESSES

(CONSTANT VOLTAGE)

The only Innershield

electrode recommended for use

with the

RANGER 8+ DIESEL

is NR

-211-MP. The

electrode sizes and welding ranges that can be used

with the

RANGER 8+ DIESEL

are shown in the follow-

ing table:

SETTINGS FOR PURE TUNGSTEN

TUNGSTEN RANGE SWITCH APPROXIMATE

DIAMETER (in.) SETTINGS CURRENT RANGE

1/8 70, 90, or 125 80 - 150 Amps

3/32 50, 70, or 90 45 - 130 Amps

1/16 50, or 70 40 - 80 Amps

SETTINGS FOR 1% THORIATED TUNGSTEN

TUNGSTEN RANGE SWITCH APPROXIMATE

DIAMETER (in.) SETTINGS CURRENT RANGE

1/8 70, 90, 125, or 175 80 - 225 Amps

3/32 50, 70, 90, or 125 50 - 180 Amps

1/16 50, 70, or 90 45 - 120 Amps

The K930-1 TIG Module should be used with the

RANGER 8+ DIESEL on high idle to maintain satisfac-

tory operation. It can be used in the AUTO position

but the delay going to low idle after welding is ceased

will be increased if the AFTERFLOW CONTROL is set

above 10 seconds

The RANGER 8+ DIESEL is recommended for limited

“MIG” welding (GMAW - gas metal arc welding). The

recommended electrodes are .030” and .035” L-50

and L-56. They must be used with a blended shield-

ing gas such as C25 (75% Argon - 25% CO

). The

welding ranges that can be used with the RANGER 8+

DIESEL are shown in the following table:

Diameter Wire Speed Approximate

(in.) Range In./Min. Current Range

.035 80 - 110 75A to 120A

.045 70 - 130 120A to 170A

.068 40 - 90 125A to 210A

Diameter Wire Speed Approximate

(in.) Range In./Min. Current Range

.030 80 - 110 75A to 120A

.035 70 - 130 120A to 170A

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 39 40

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Lincoln Electric RANGER IM612 Manuel d'utilisateur Page 22

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