Section 5 − Maintenance & Troubleshooting; 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.

5-1. Routine Maintenance

Turn Off all power before maintaining.
Each Spool Of Wire
See
Section
5-5
And Check
Contact Tip
− −
Blow Out
Gun
Casing
7
Clean
Nozzle
3-1
− −
Gas Hose
Figure 5-1. Maintenance Schedule
MOVING PARTS can cause injury.
•
Keep away from moving parts.
•
Keep away from pinch points such as drive rolls.
Maintenance and troubleshooting to be performed only
by qualified persons.
3 Months
Replace
Unreadable
Labels
Clean
And
Tighten
Weld
Terminals
Replace
Cracked
Parts
14-Pin Cord
Gun Cable
swarn8.2* 2/93
6 Months
Blow Out
Or
OR
Vacuum
Inside
During Heavy Service,
− − Clean Monthly
Clean
Drive
Rolls
3-4
OM-154 501 Page 12