7-4. Changing Drive Roll Or Wire Inlet Guide
! Turn off welding power source.
Tools Needed:
2
4
3
1
1Inlet Wire Guide Securing Screw
2Inlet Wire Guide
Loosen screw. Slide tip as close to drive rolls as possible without touching. Tighten screw.
3 Retaining Pin
To remove drive roll, push drive roll in and rotate it (1/4 turn) to the open slot and slide it out over the retaining pin.
To secure drive roll, locate open slot and push drive roll completely over retaining pin, then rotate drive roll (1/4 turn) to closed slot.
4 Drive Roll
The drive roll consists of two different sized grooves. The stamped markings on the end
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| .030/.035 | .023/.025 |
.030/.035 | .030/.035 | V Groove | V Groove |
Knurled |
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Smooth |
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Groove |
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| |
Groove |
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| Stamped |
Stamped | Stamped | Stamped | .030..035 |
.030..035 VK | .030..035 | .024 |
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surface of the drive roll refers to the groove on the opposite side of the drive roll. The groove closest to the motor shaft is the proper groove to thread (see Section
250
