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| INSTALLATION | ||||
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WIRE DRIVE CONFIGURATION | 7. | Disconnect the shielding gas hose from the gun | |||
(See Figure AA.5) |
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| bushing, if required. |
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Changing the Gun Receiver Bushing | 8. | Connect the shielding gas hose to the new gun | |||
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| bushing, if required. |
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| WARNING |
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| 9. | Rotate the gun bushing until the thumb screw hole | ||
| ELECTRIC SHOCK can kill. | aligns with the thumb screw hole in the feed plate. |
•Turn the input power OFF at the Slide the gun receiver bushing into the wire drive
welding power source before instal- and verify the thumb screw holes are aligned.
lation or changing drive rolls and/or | 10. Tighten the socket head cap screw. | |
guides. | 11. Insert the welding gun into the gun bushing and | |
• Do not touch electrically live parts. | tighten the thumb screw. | |
• When inching with the gun trigger, electrode and |
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drive mechanism are "hot" to work and ground |
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and could remain energized several seconds | Gun Receiver | For use With |
after the gun trigger is released. | Bushing |
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• Only qualified personnel should perform mainte- |
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nance work. | ||
| Innershield and Subarc guns) | |
Tools required: |
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• 1/4" hex key wrench | ||
Note: Some gun bushings do not require the use of |
| connectors; Magnum 200/300/400 |
the thumb screw. |
| guns and compatible with Tweco® |
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| #2 - #4) |
1. Turn power off at the welding power source. |
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2. Remove the welding wire from the wire drive. | ||
3. Remove the thumb screw from the wire drive. |
| Magnum 550 guns and compatible |
4. Remove the welding gun from the wire drive. |
| with Tweco® #5) |
5. Loosen the socket head cap screw that holds the |
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connector bar against the gun bushing. Important: | ||
Do not attempt to completely remove the sock- |
| compatible with Miller® guns.) |
et head cap screw. |
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6. Remove the outer wire guide, and push the gun | (Compatible with Oxo® guns.) | |
bushing out of the wire drive. Because of the pre- |
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cision fit, light tapping may be required to remove | ( Lincoln | |
the gun bushing. |
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FIGURE AA.5 |
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| TIGHTEN |
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| CAP |
GUN RECEIVER BUSHING |
| SCREW |
| LOOSEN | |
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| CAP |
| THUMB | SCREW |
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| SCREW |
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CONNECTOR
BAR
SOCKET
HEAD CAP
SCREW