Routine Maintenance; Periodic Maintenance - Lincoln Electric POWER FEED 10M SINGLE/DUAL SVM172-A Service Manual

D-2
SAFETY PRECAUTIONS
WARNING
ELECTRIC SHOCK can kill.
• Do not touch electrically live parts such
as output terminals or internal wiring.
• When inching with gun trigger, electrode and
drive mechanism are "hot" to work and
ground and could remain energized several
seconds after the gun trigger 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 connect-
ed to system ground per the National
Electrical Code or any applicable local
codes.
• Only qualified personnel should
perform maintenance work.
Observe all additional Safety Guidelines detailed
throughout this manual.

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" long.
• Every year inspect the gearbox and coat the gear
teeth with a moly-disulfide filled grease. DO NOT
use graphite grease.
MAINTENANCE
CALIBRATION SPECIFICATION
All calibration is factory set on the Power Feed 10M
Single Wire Feeder.
To verify the wire feed speed:
• Assemble a .045 (1.2mm) drive roll kit into the Power
• Load a spool of .045 (1.2mm) electrode and thread
• Adjust the wire feed speed to 300 in/min
• Press the COLD FEED switch and measure the
• The measured wire feed speed should be within
POWER FEED 10M SINGLE/DUAL
Feed 10M Single Wire Feeder.
the electrode through the wire drive.
(7.62m/min).
actual wire feed speed with a calibrated wire feed
speed tachometer.
±2% of the set value.
D-2