Lincoln Electric IM915 Welder User Manual


 
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1. Turn off power at the welding power source.
2. Remove the welding wire from the wire drive.
3. Remove the thumb screw from the wire drive.
4. Remove the welding gun from the wire drive.
5. Loosen the socket head cap screw that holds the con-
nector bar against the gun bushing. Important: Do not
attempt to completely remove the socket head cap
screw.
6. Remove the outer wire guide, and push the gun bush-
ing out of the wire drive. Because of the precision fit,
light tapping may be required to remove the gun bush-
ing.
7. Disconnect the shielding gas hose from the gun bush-
ing, if required.
8. Connect the shielding gas hose to the new gun bush-
ing, if required.
9. Rotate the gun bushing until the thumb screw hole
aligns with the thumb screw hole in the feed plate.
Slide the gun receiver bushing into the wire drive and
verify the thumb screw holes are aligned.
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thumb screw.
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11. Insert the welding gun into the gun bushing and tight-
en the thumb screw.
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K1500-1 K466-1 Lincoln gun connectors;
Innershield and Subarc guns)
K1500-2 K466-2, K466-10 Lincoln gun
connectors; Magnum 200/300/400
guns and compatible with Tweco®
#4)
K1500-3 K1637-7 Lincoln gun connectors;
Magnum 550 guns and compatible
with Tweco® #5)
K1500-4 K466-3 Lincoln gun connectors;
compatible with Miller® guns.)
K1500-5 (Compatible with Oxo® guns.)
K489-9 ( Lincoln Fast-Mate guns.)
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The Power Feed™ 10M Single Wire Feeder is factory
set with the pressure indicator approximately "2". The
best drive roll pressure varies with wire type, wire sur-
face, lubrication and hardness. Too much pressure
could cause "birdnesting", but too little pressure could
cause slippage.
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1. Press the end of the gun against a solid object that
is electrically isolated from the welder output and
press the gun trigger for several seconds.
2. If the wire "birdnests" or jams, the drive roll pres-
sure is too high. Reduce the pressure by one turn
of the knob, run new wire through the gun, and
repeat step 1.
3. If the only result is slippage, disconnect the gun and
pull the gun cable forward about 6" (150mm).
There should be a slight waviness in the exposed
wire. If there is no waviness, increase the pressure
setting one turn, reconnect the gun and repeat the
above steps.
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Gun receiver bushings make it easy to switch from
one gun to another.
Tools required:
1/4" Allen wrench
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1 Thumb Screw
2 Gun Receiver Bushing
3 Connector Bar
4 Socket Head Cap Screw
1
2
3
4