Routine Maintenance - MAC TOOLS MW250 Owner's Manual

SECTION
5-
MAINTENANCE & TROUBLESHOOTING
a
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.
swarn82 2/93
$~
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.
Each Spool Of Wire
Blow Out
See
I
Gun
Section
~
Casing
~
Clean
Nozzle
________
And Check
Contact
Tip
3 Months
WARNI
Replace
Unreadable
Labels
7
Clean
And
________
Tighten
Weld
Terminals
Replace
~
Cracked
Parts
14-Pin Cord
Gas Hose Gun Cable
-~
6 Months
Blow Out
Or
Vacuum
Inside
1
During Heavy Service,
Clean Monthly
3-4
Clean
Drive
Rolls
Figure
5-1. Maintenance Schedule
OM-154 501 Page 12