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OPERATION | ||||
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WELDING OPERATION |
| 7. Strike an arc and begin welding. For information | ||
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| on welding techniques, see WELDING GUIDE- | |
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| LINES in this section of the manual. |
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| WARNING |
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| AFTER YOU FINISH THE WELD: |
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| GENERAL INFORMATION |
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| 1. Stop the gasoline engine. See ENGINE OPERA- | ||
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| ELECTRIC SHOCK can kill. |
| TION in this section of the manual. |
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•Do not touch electrically live parts or 2. Allow the electrode and work to cool completely. electrodes with your skin or wet cloth-
3.Remove the work clamp from the work.
ing. |
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• Insulate yourself from the work and ground. | 4. Remove any remaining piece of electrode from the | ||
electrode holder. |
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• Always wear dry insulating gloves. | 5. If you are finished using the Bulldog® 140 for weld- | ||
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ing, disconnect the welding cables from the weld | |||
The Bulldog® 140 has a voltage of up to 66 Volts AC | output terminals. | Reattach the flange nuts and | |
leave them on the terminals. | |||
which can shock. The Bulldog® 140 generator/welder | |||
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can deliver from 70 to 125 amps of continuous welding | NOTE: 1. Welding current is continuously variable | ||
output current. Output can be adjusted by setting the | |||
with 60% duty cycle applying to output | |||
current control dial on the output control panel. | |||
currents 100 Amps and less and 30% | |||
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You can get maximum welding output by setting the | duty cycle applying to currents above 100 | ||
dial to 125 AMPS. At high current settings like this, | Amps. |
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some output may decrease as the machine is used. If | 2. Duty cycle is based on a ten minute peri- | ||
you are welding for a long time, you may need to turn | |||
od. The welder can be loaded to 125 | |||
the dial slightly upward to maintain the same results. | |||
Amps for three minutes out of every ten | |||
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The numbers on the dial correspond to the average | minute period or to 100 Amps for six min- | ||
amps needed to weld using specific Lincoln welding | utes out of every ten minute period. | ||
rods. Table B.2, WELDING APPLICATIONS, gives |
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you the recommended dial settings based on the thick- | CONTROL FUNCTION / OPERATION | ||
ness of the work and the size and type of rod you’re | |||
“Current Control Dial” | |||
using. | |||
| Provides welding current adjustment from 70 through | ||
| 125 Amps. |
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TO USE THE Bulldog® 140 FOR WELDING: | To obtain maximum weld output, turn the “Current | ||
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1. Remove the flange nuts from the weld output ter- | Control Dial” to “125 Amps” for either a cold or hot | ||
minals and place the work and electrode welding | engine. As the machine is used, some welding voltage | ||
cables over the terminals. (See Figure B.1) | may decrease at high current settings. If you are weld- | ||
Replace and tighten the flange nuts securely. Be | ing for long periods of time, the dial may need to be | ||
sure the connections are tight. | slightly turned upward to provide the same welding | ||
2. Select the appropriate electrode. (See Table B.2) | results as when the machine was cold. | ||
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WELDING APPLICATIONS, or the ELECTRODE | The numbers listed on the dial correspond to the aver- | ||
SELECTION GUIDE on the machine Output | age amperage needed to weld specific Lincoln rods. | ||
Control Panel. | Refer to Table B.2 “Welding Application Guide” and | ||
3. Attach the work clamp securely to the work you are | “Electrode Selection | Guide” listed on the machine | |
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| welding. | nameplate for proper current and electrode settings. |
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4. | Insert the electrode into the electrode holder. |
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5. | Set the current control dial to the desired output |
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| current. |
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6. | Start the gasoline engine. See ENGINE OPERA- |
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| TION in this section of the manual. |
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BULLDOG® 140
