Hobart OM-1581 manual Threading Welding Wire Through Gun, Coolant Guidelines

3-16. Threading Welding Wire Through Gun

	1	Pressure Roll Assembly
	Lift arm and open pressure roll
	assembly.
	2	Wire Conduit
	Lay wire conduit out straight.
	3	Jog Switch
3	Push Jog switch up to feed wire
	through wire conduit.
6	4	Drive Roll
2	For wire sizes .035 in (0.9 mm) and
	smaller use small groove, and
	.047 in (1.2 mm) and 1/16 in
	(1.6 mm) use large groove.
	5	Contact Tip
	Manually thread wire along drive
	roll groove and out contact tip 2 in
	(51 mm). Close pressure roll
	assembly.
	6	Tension Thumbnut
4	7	Pressure Adjustment Knob
	8	Final Pressure Adjustment

	6
8	Turn On feeder and check drive roll
	pressure by feeding wire against a
	piece of wood or concrete surface;
	wire should feed steadily without
1	slipping. If necessary, adjust
	pressure adjustment knob in gun.
	Turn Off feeder and welding power
5	source. Reinstall gun cover. Close

and latch feeder door.

WOOD

Ref. 157 779-A / Ref. 176 700-A / Ref. S-0651

3-17. Coolant Guidelines

CAUTION

INCORRECT COOLANT OR COOLANT CONTAINING STOP-LEAK ADDITIVES can corrode and/or plug gun/feeder cooling passages.

•Use only a mix of 50% distilled water and 50% high quality automotive antifreeze as proper coolant for this product.

•Do not use antifreeze containing stop-leak additives.

•Use of other coolant voids warranty.

			Follow		these	guidelines	to
1			decrease corrosion in gun/feeder
			and cooling system:
	50 – 50		1	Coolant
	Distilled		Mix distilled water and high quality
	Water &
	Antifreeze		automotive antifreeze. Use anti-
			freeze which does not contain stop-
2			leak additives.
			Use	of	other	coolant voids
		FULL
			warranty.
			2	Coolant System Tank
			3	Changing Coolant
			Change coolant only if dirty.
Draining	Filling	Tighten Connections	Add coolant to keep level full.
			4	Tighten Connections
	3	4	Keep gun connections tight.				S-0760

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