Inspecting/Cleaning Optional Spark Arrestor Muffler; Checking Generator Brushes - Miller Big Blue Turbo Owner's Manual

8-4. Inspecting/Cleaning Optional Spark Arrestor Muffler

2
Tools Needed:
3/8 in

8-5. Checking Generator Brushes

1
Minimum Length:
5/8 in (16 mm)
Replace
Damaged Brushes
Y Stop engine and let cool.
1
2
Remove plug and remove any dirt
covering cleanout hole.
Start engine and run at idle speed to
blow out cleanout hole. If nothing
blows out of hole, briefly cover end
of exhaust pipe with fireproof
material.
Y Stop engine and let cool.
Reinstall cleanout plug.
Y Stop engine and let cool.
1 Generator Brush
Remove brushes from brush holder.
Replace brushes if damaged or if brush
material is at or near minimum length.
New Length: 1-1/4 in (32 mm)
1
Spark Arrestor Muffler
Cleanout Plug
803 452 / 803 230
Ref. 206 467
OM-4420 Page 33