Hobart Welding Products OM-947 212 149D manual Changing Drive Roll Or Wire Inlet Guide

6-4. Changing Drive Roll Or Wire Inlet Guide

	1	Pressure Adjustment Knob
	2	Pressure Assembly
	Pivot pressure adjustment knob
	down, and lift pressure assembly
	up.
	3	Pivot Tube Plate
	4	Securing Screws
	5	Pressure Arm Pivot Tube
2	6	Inlet 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
1	is as close to drive roll as possible
	without touching.
	Reinstall plate and tighten screws.

6 5

.030/.035 VK Groove

3 4

.024 Groove

7	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 4-8).

Stamped .030/.035

Tools Needed:

5/16 in

Stamped .024

8

9

Ref. 802 444-B / 803 442-A

OM-947 Page 21