OM-1213 Page 14
4-8. Adjusting Drive Roll And Spool Brake Pressure
Ref. 151 112-F / 147 741-F
1 Top Cover
2 Canister Cover
3 Thumbscrew
Loosen thumbscrew and remove
cover.
4 Spool
Cut welding wire off at contact tip.
Retract wire onto spool and secure.
5 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.
Reinstall canister cover. Thread
welding wire (see Section 4-3).
6 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. Reinstall top cover.
Tools Needed:
WOOD
Adjusting Pressure
1
2
5
3
4
6