Lincoln Electric IM916 Welder User Manual


 
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Wire feeding problems can be avoided by observing
the following gun handling and feeder set up proce-
dures:
a) Do not kink or pull cable around sharp corners.
b) Keep the electrode cable as straight as possible
when welding or loading electrode through cable.
c) Do not allow dolly wheels or trucks to run over
cables.
d) Keep cable clean by following maintenance
instructions.
e) Use only clean, rust-free electrode. The Lincoln
electrodes have proper surface lubrication.
f) Replace contact tip when the arc starts to become
unstable or the contact tip end is fused or
deformed.
g) Do not use excessive wire spindle brake settings.
h) Use proper drive rolls, wire guides and drive roll
pressure settings.
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• Every year inspect the gearbox and coat the teeth
with a Moly-disulfide grease. B$BG use graphite
grease.
• Every six months check the motor brushes.
Replace them if they are less than 1/4" long.
• Replace the drive rolls and inner wire guide when
they are worn.
• Replace the pig tail if the insulation is cut, abraded
or damaged.
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See appropriate Operator’s Manual.
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1) Loosen the clamping collar screw using a 3/16"
Allen wrench. The clamping collar screw is
accessed from the bottom of the feedplate. It is
the screw which is perpendicular to the feeding
direction.
2) Loosen the retaining screw, which is also
accessed from bottom of feeder, using a 3/16"
Allen wrench. Continue to loosen the screw until
the feedplate can be easily pulled off of the wire
feeder.
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Gun and Cable connection: After feeding every coil of
wire; check tightness of gun connection to wire feed
brass bushing.
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After feeding every coil of wire, inspect the drive roll
section. Clean it as necessary. The driver rolls and
Inner Wire Guides are stamped with the wire sizes
they will feed. If a wire size other than that stamped
on the roll(s) is to be used, the roll(s) and Inner Wire
Guides must be changed.
All drive rolls have two identical grooves. The rolls
may be flipped over to use the other groove.
See “Procedure to Install Drive Rolls and Wire
Guides” in the INSTALLATION section for roll chang-
ing instructions.
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No routine maintenance required.
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