Hobart Welding Products 187 manual Changing Drive Roll Or Wire Inlet Guide

7-4. Changing Drive Roll Or Wire Inlet Guide

! Turn off welding power source.

1

2

Tools Needed:	3
	.030/.035 Groove

4

.023/.025 Groove

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 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 5-10).

Stamped .024

Stamped .030/.035

Ref. 803 714-A

OM-228 187 Page 25