Gun; 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.
M OVING PARTS
can cause
injury.
Keep away from moving
parts.
~fb
Keep away from pinch points such
as
drive rolls.
*~
Maintenance and troubleshooting
to
be performed
only by qualified
persons.
swarn8.2 2/93
5-1.
Routine Maintenance
Turn Off all power before maintaining.
Each Spool Of Wire
I~I
Blow Out
See
I
Gun
Section
I
Casing
5.4
I
~
Clean
Nozzle
________
And Check
Contact
Tip
-~
3 Months
Replace
~NI
Unreadable
Labels
Clean
And
1/~
Tighten
Weld
Terminals
Replace
~
Cracked
Parts
14-Pin Cord
Gas Hose Gun Cable
6 Months
Blow Out
J ~1
Vacuum
Inside
Figure 5-1. Maintenance Schedule
OM-154 501 Page 13