Miller Electric Big Blue 251D Welding System User Manual


 
OM-480 Page 24
SECTION 8 MAINTENANCE AND TROUBLESHOOTING
8-1. Routine Maintenance
Recycle engine
fluids.
Y Stop engine before maintaining.
. See Engine Manual and Maintenance Label for impor-
tant start-up, service, and storage information. Service
engine more often if used in severe conditions.
* To be done by Factory Authorized Service Agent.
Every 8 h
Wipe Up
Spills.
Check Fluid
Levels. See
Section 5-4.
Drain Water
From Fuel
System. See
Section 8-4.
FUEL
WATER
Every 50 h
Clean Air Filter.
See Section 8-3.
Clean And
Tighten Weld
Terminals.
Every 100 h
Clean
Cooling
System.
Clean And
Tighten
Battery
Connections.
Check air
cleaner hoses
for cracks and
loose clamps.
Every 200 h Every 250 h
Replace
Unreadable
Labels.
Check And
Clean Spark
Arrestor. See
Section 8-8.
Every 500 h
Change Oil. See
Section 8-4.
Change Oil
Filter. See
Section 8-4.
Repair Or
Replace
Cracked
Cables.
Every 1000 h
Blow Out Or
Vacuum Inside.
During Heavy
Service,
Clean Monthly.
OR
Change Fuel
Filters. See
Section 8-4.
Service Welding
Generator Brushes
And Slip Rings.
Service More Often
In Dirty Conditions.*
1/2 in.
(13 mm)
Check
Belt
Tension.
Drain Sludge
From Fuel
Tank. See
Section 8-4.
FUEL
SLUDGE
Check
Valve
Clearance.*
Every 3000 h
Clean/Set
Injectors.*