R-Tech I-MIG200 Operation Instructions Manual page 13

2. Burnback control knob
This sets amount of time welding power stays on after torch button released and wire feed
has stopped. If too little Burnback is set, wire may stick to work after trigger released, if
too much Burnback is set wire will Burnback into welding tip.
3. Wire tensioners
Do not over tighten wire feed pressure rollers as this can cause premature motor and
roller failure.
Correct way to adjust tensioners is to slacken off pressure so that wire does not feed,
slowly adjust pressure until wire feeds smoothly, you should be able to stop wire feeding
by holding wire and it should slip on rollers.
If you have too little pressure wire will slip when welding causing unwanted Burnback into
tips
If you have too much pressure wire can snag in rollers when wire hits work and cause
wire tangle by rollers.
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