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5-7. Motor Start/Burnback Control
Tools Needed:
Non-Conductive
1/4 in.
1
2
3
To change wire feed starting speed
proceed as follows:
!
Turn Off unit and welding
power source.
Remove wrapper.
1
Motor Board PC1
2
Motor Start Control
Potentiometer R73
Remove protective white rubber
cap before making adjustment.
Adjust potentiometer R73 using a
small nonconductive screwdriver.
Rotate potentiometer clockwise to
increase time it takes the motor to
ramp up to speed.
3
Burnback Potentiometer R42
Remove protective white rubber
cap before making adjustment.
Adjust potentiometer R42 using a
small nonconductive screwdriver.
Rotate potentiometer clockwise to
increase burnback time.
Reinstall wrapper.
801 925-C / 192 653
OM-186895 Page 17
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