3-9. Motor Start/Burnback Control

 

To change wire feed starting speed

 

proceed as follows:

1

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.

2Rotate potentiometer clockwise to increase burnback time.

Reinstall wrapper.

Tools Needed:

3

Non-Conductive

1/4 in

Ref. 802 357 / 192 653

OM-193 472 Page 13

Page 17
Image 17
Miller Electric 22A, 24A manual Motor Start/Burnback Control