Miller Electric Miller DU-OP - Manual (Page 44)

OM-494 Page 40
8-9. Inspecting And Cleaning Optional Spark Arrestor Muffler
Ref. 800 633-B / Ref. 190 377
Y Stop engine and let cool.
1
Spark Arrestor Muffler
2 Cleanout Plug
Remove plug and remove any dirt
covering cleanout hole.
3
Exhaust Pipe
Start engine and run several min-
utes to blow out cleanout hole. If
nothing blows out of hole, briefly
cover end of exhaust pipe with fire-
proof material.
Y Stop engine and let cool.
Reinstall cleanout plug.
Tools Needed:
3
2
1
3/8 in
8-10. Checking Generator Brushes
Ref 217 359-A / S−0233−A
Y Stop engine and let cool.
1
Generator Brush With Spring
Mark and disconnect leads at brush hold-
er cap. Remove brushes.
Replace brushes if damaged or if brush
material is at or near minimum length.
1
1/2 in (13 mm)
Minimum Length
1-1/8 in (28.6 mm)
New Length
Replace
Damaged
Brushes