Lincoln Electric POWER FEED IM849 - Manual (Page 30)

D-1 MAINTENANCE D-1
ROUTINE MAINTENANCE
• Check weld cables, control cables and gas hoses
for cuts.
• Clean and tighten all weld terminals.
• Inspect and clean drive rolls and inner wire guide
and replace if worn.
PERIODIC MAINTENANCE
• Blow out or vacuum the inside of the feeder.
• Every six months check the motor brushes.
Replace them if they are less than 1/4"(6.4mm)
long.
• Every year inspect the gearbox and coat the gear
teeth with a moly-disulfide filled grease. DO NOT
use graphite grease.
CALIBRATION SPECIFICATION
All calibration is factory set on the POWER FEED™
10A CONTROLLER.
To verify the wire feed speed:
• Press the INCH DOWN switch and adjust the wire
feed speed to 100 in/min (2.54m/min).
• Measure the actual wire feed speed with a calibrat-
ed wire feed speed tachometer.
The measured wire feed speed should be within ±2%
of the set value.
POWER FEED™ 10A CONTROLLER
SAFETY PRECAUTIONS
See additional warning information
throughout this operator’s manual and
the Engine manual as well.
-----------------------------------------------------------
ELECTRIC SHOCK can kill.
• Do not touch electrically live parts
such as output terminals or internal
wiring.
• When inching, electrode and drive
mechanism are “hot” to work and
ground and could remain energized
several seconds after the inch but-
ton is released.
• Turn OFF input power at welding power source
before installation or changing drive roll and/or
guide tubes.
• Welding power source must be connected to
system ground per the National Electrical Code
or any applicable local codes.
• Only qualified personnel should perform mainte-
nance work.
WARNING