Motor Start/Burnback Control - Miller Electric 22A Owner's Manual

3-9. 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.
Ref. 802 357 / 192 653
OM-193 472 Page 13