OM-243 762 Page 15
3-6. Adjusting Drive Roll And Spool Brake Pressure
Ref. 243 740-C / 243 736-C
1 Cover
2 Thumbscrew
Loosen thumbscrew and rotate
cover open.
3 Spool
Cut welding wire off at contact tip.
Retract wire onto spool and secure.
4 Spool Brake Thumbnut
Grasp spool in one hand and turn
while adjusting spool brake thumb-
nut. When a slight force is needed
to turn spool, tension is set. Do not
overtighten.
Thread welding wire (see Section
3-4).
5 Drive Roll Tension Thumbnut
Turn On unit and check drive roll
pressure by feeding wire against a
wood board or concrete surface;
wire should feed steadily without
slipping.
Adjust drive roll tension thumbnut if
necessary. Do not overtighten.
Turn Off unit. Close cover.
Tools Needed:
WOOD
Adjusting Pressure
1
2
4
3
5