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4-10. 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
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.
10 10
4-11. Internal Controls
1
2
BRAKE
RELEASE
LOW TORQUE
HIGH TORQUE
3
4
Open left side door.
1 Fuse F1
See Section
2Circuit Breaker CB1 See Section
3Motor 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.
4 Brake Release Button
Whenever power is On and the welding power source is energized, button may be pressed to release spool brake so wire spool can turn freely.
Close and latch door.
Ref. 151 779 / Ref.