Hobart Welding Products 2510, M-25 GUN Unit Overload, Changing Drive Roll And Wire Inlet Guide

4-3. Unit Overload

If unit is used beyond capacity (excessive wire feed, shorted output, etc.), wire feeds but is not energized. Release gun trigger to reset this condition.

4-4. Changing Drive Roll And Wire Inlet Guide

3 5

2

1

Tools Needed:

4

5/64 in

7/16 in

1Securing Screw

2Inlet Wire Guide

Loosen screw. Slide tip as close to drive rolls as possible without touch- ing. Tighten screw.

3Anti-Wear Guide Install guide as shown.

4Drive Roll

Install correct drive roll for wire size and type.

5 Drive Roll Securing Nut

Turn nut one click to secure drive roll.

				ST-150 227-C
4-5. Aligning Drive Rolls And Wire Guide
Correct		Incorrect	Y Turn Off power.
	4
3			View is from top of drive rolls look-
2			ing down with pressure assembly
			open.
1
			1 Drive Roll Securing Nut
	5		2	Drive Roll
			3	Wire Guide
			4	Welding Wire
			5	Drive Gear
			Insert screwdriver, and turn screw
			in or out until drive roll groove lines
			up with wire guide.
Tools Needed:			Close pressure roll assembly.
			Close door.
				Ref. ST-800 412-A
4-6. Replacing Gun Contact Tip
			Y Turn Off power before
				replacing contact tip.
			1	Nozzle
			2	Contact Tip
			Cut off welding wire at contact tip.
			Remove nozzle.
Tools Needed:			Remove contact tip and install new
	2		contact tip. Reinstall nozzle.
		1

Ref. 800 797-C

OM-194 430 Page 21