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D-2
MAINTENANCE
D-2
SAFETY PRECAUTIONS
ELECTRIC SHOCK
can kill.
• Do not touch electrically live parts
such as output terminals or internal
wiring.
• Only qualified personnel should
perform maintenance work.
Observe all additional Safety Guidelines detailed
throughout this manual.
-----------------------------------------------------------
ROUTINE MAINTENANCE
POWER WAVE
Routine maintenance consists of periodically blowing
out the machine, using a low pressure airstream, to
remove accumulated dust and dirt from the intake
and outlet louvers and the cooling channels in the
machine.
WIRE FEEDER
DRIVE ROLLS AND GUIDE TUBES
After feeding every coil of wire, inspect the drive roll
section. Clean as necessary. Do not use a solvent
for cleaning the drive rolls because it may wash the
lubricant out of the bearing. The drive 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
Operation
section for roll changing
instructions.
WIRE REEL MOUNTING - READI-REELS AND
10 THROUGH 30 LB (4.5-14 KG) SPOOLS
No routine maintenance required. Do not lubricate
2 in. (51 mm) spindle.
AVOIDING WIRE FEEDING PROBLEMS
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 cor-
ners.
b. Keep the electrode cable as straight as pos-
sible 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 lubri-
cation.
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 set-
tings.
h. Use proper drive rolls, wire guides and drive
roll pressure settings.
PERIODIC MAINTENANCE
WIRE DRIVE MOTOR AND GEARBOX
Every year inspect the gearbox and coat the gear
teeth with grease. Do not use graphite grease.
Refer to the
Troubleshooting
section for disassem-
bly of Drive Motor and Wire Feed Assembly.
GUN AND CABLE MAINTENANCE
See appropriate
Operator’s Manual.
POWER WAVE 455/POWER FEED 10
WARNING
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