1
4
3
Turn Off wire feeder and welding power source.
1Top Cover
2Pressure Roll Assembly
3Screw
4Pressure Roll
Remove as shown.
Use a wire brush to clean bearing. Reinstall with washers, and tighten screw.
Close pressure roll assembly. Reinstall top cover.
2
Tools Needed:
Ref. 151 599−F
7-8. Replacing Head Tube Liner In Pistol-Grip Guns
. Turn OFF coolant supply before removing head tube on
The standard head tube liner will accommodate wire diameters from
When changing wire size, change
5control box drive roll and idler (see Section
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| 1 | Cover | |
4 |
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| 2 | Screw | |
2 | 1 | 3 | Clamp | ||
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| 3 |
| Loosen clamp screws and remove | ||
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| clamp. | |||
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| |||
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| 4 | Head Tube | |
| 4 |
| Remove head tube from gun. | ||
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| 5 | Liner | ||
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| |||
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| Pull liner out of head tube. | ||
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| Insert new liner into head tube and | ||
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| reinstall head tube onto gun. | ||
|
|
| . A twisting motion may be need- | ||
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|
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| ed to feed liner thru head tube. |
Tool Needed:
5/32 in
Ref. 803