Miller Electric XR W, XR A manual Threading Welding Wire Through Gun, Coolant Guidelines

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4-15. 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
	For wire sizes .035 in (0.9 mm) and
2
	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
7	8	Final Pressure Adjustment
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
	151 599-F / 151 666-E / Ref. 176 700-A / Ref. S-0651

4-16. 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.

50 − 50 Distilled Water & Antifreeze

2

FULL

Draining		Filling	Tighten Connections
	3		4

Follow these guidelines to decrease corrosion in gun/feeder and cooling system:

1 Coolant

Mix distilled water and high quality automotive antifreeze. Use anti- freeze which does not contain stop- leak additives.

Use of other coolant voids warranty.

2Coolant System Tank

3Changing Coolant Change coolant only if dirty. Add coolant to keep level full.

4Tighten Connections

Keep gun connections tight. S-0760

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