Miller Electric Big Blue 600D Owner's Manual page 25

Change Oil. See
Section 7-4.
Clean And
Tighten
Battery
Connections.
Blow Out Or
Vacuum Inside.
OR
During Heavy
Service,
Clean Monthly.
Change Fuel
Filters. See
Section 7-4.
100 h
200 h
Replace
Unreadable
Labels.
250 h
Check And
Clean Spark
Arrestor. See
Section 7-8.
500 h
Repair Or
Replace
Cracked
Cables.
1000 h
Service Welding
Generator Brushes
And Slip Rings.
Service More Often
In Dirty Conditions.*
Check Belt
1/2 in.
(13 mm)
Tension. See
Section 7-7.
3000 h
Clean/Set
Injectors.*
Change Oil
Filter. See
Section 7-4.
Check air
cleaner hoses
for cracks and
loose clamps.
Drain Sludge
FUEL
SLUDGE
Section 7-4.
Check
Valve
Clearance.*
OM-481 Page 21
From Fuel
Tank. See