Miller Electric XR A, XR W manual Flowmeter Optional, Internal Controls

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2

5-10. Flowmeter (Optional)

CAUTION

Wire feeding system is designed for maximum of 50 psi (345 kPa) gas pressure.

•Be sure that regulator/flowmeter has preset conditions of no more than 50 psi (345 kPa) gas pressure.

CFH

Ar CO2

60 60

50 50

40 40

30 30

20 20

10 10

1Flowmeter

2Valve

Use flowmeter to control shielding gas flow at the feeder. The scale on the flowmeter is in cubic feet per hour (CFH). Read gas flow at the widest part of the float in the meter. Rotate valve to change gas flow as necessary.

A regulator is still required on shielding gas supply with this option.

S-0659

5-11. Internal Controls

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2

		Open left side door.
		1	Fuse F1
		See Section 6-11.
		2	Circuit Breaker CB1
		See Section 6-11.
		3	Motor Torque Switch
		Use switch to select the force used
		to push wire. The up position is for
		low force, or torque. The down
		position is for high force, or torque.
		If welding wire appears to be
		kinked, nicked, or damaged, place
		switch in low torque position.
	3	4	Brake Release Button
		Whenever power is On and the
LOW TORQUE	4	welding power source is energized,
		button may be pressed to release
BRAKE
		spool brake so wire spool can turn
RELEASE
		freely.
HIGH TORQUE
		Close and latch door.

Ref. 151 779 / Ref. S-120 552-A

OM-1581 Page 27