Routine Maintenance - MAC TOOLS MW250 Owner's Manual

SECTION
5- MAINTENANCE &
TROUBLESHOOTING
__
£~
WARNING___
ELECTRIC SHOCK
can
kill.
Do not touch live electrical
parts.
Turn Off
welding
power
source,
and disconnect
input power before
inspecting, maintaining,
or
servicing.
HOT PARTS
can cause severe
burns.
Allow cooling period
before
maintaining
or
__________
___________________________________________
servicing.
Maintenance and troubleshooting
to
be
performed
only by
qualified
persons.
swam8.2 2/93
~
4~
M
OVING PARTS
can cause
Injury.
Keep
away from
moving parts.
Keep away from pinch points such
as
drive rolls.
*~
5-1. Routine Maintenance
Turn Off all power before maintaInIng.
-
3 Months
WARN
I
Replace
Unreadable
Labels
Clean
And
________
Tighten
Weld
Terminals
Replace
Cracked
Parts
14-Pin Cord
Gas Hose
Gun Cable
Figure
5-1. Maintenance Schedule
OM-154501 Page 12