Hobart Welding Products 125 manual Changing Drive Roll Or Wire Inlet Guide

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7-4. Changing Drive Roll Or Wire Inlet Guide

2

1

7

6 5

3 4

1Pressure Adjustment Knob

2Pressure Assembly

Pivot pressure adjustment knob down, and lift pressure assembly up.

3Pivot Tube Plate

4Securing Screws

5Pressure Arm Pivot Tube

6Inlet Wire Guide

Remove screws and pivot tube plate. Lift out pressure arm pivot tube, and slide inlet wire guide out of tube.

Slide replacement wire guide into tube, and place tube back into drive assembly. Be sure tip of wire guide is as close to drive roll as possible without touching.

Reinstall plate and tighten screws. 7 Retaining Knob

Rotate counterclockwise and remove knob.

8 Drive Roll

The drive roll consists of two different sized grooves. Each side is stamped with the proper size.

Select the groove that matches the wire size on the wire spool. Install drive roll onto motor shaft so that correct groove size stamp faces out away from drive housing.

9 Retaining Knob Opening

Install retaining knob by placing opening over drive roll (opening faces rear of unit). Rotate retaining knob clockwise to secure drive roll.

Position wire into outer groove of drive roll (see Section 5-9).

.030/.035

VK

Groove

Stamped .030/.035

Tools Needed:

5/16 in.

.024 Groove

Stamped .024

8

9

Ref. 802 444-B / 803 442-A

OM-947 Page 23