Changing Drive Roll Or Wire Inlet Guide; Replacing Gun Contact Tip - Hobart Welders H-10 Owner's Manual

7-4. Changing Drive Roll Or Wire Inlet Guide

1
2
Tools Needed:

7-5. Replacing Gun Contact Tip

Tools Needed:
3
.030/.035 Groove .023/.025 Groove
Stamped .024
4
Stamped .030/.035
2
1
1 Inlet Wire Guide Securing
Screw
2 Inlet 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).
Ref. 803 714-A
Y Turn
Off power before
replacing contact tip.
1 Nozzle
2 Contact Tip
Cut off welding wire at contact tip.
Remove nozzle.
Remove contact tip and install new
contact tip. Reinstall nozzle.
Ref. 802 399-A
OM-228 187 Page 23