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OM-225 590 Page 43
8-8. Inspecting And Cleaning Optional Spark Arrestor Muffler
Ref. 800 633-B / Ref. 225 543
! 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.
! Stop engine and let cool.
Reinstall cleanout plug.
Tools Needed:
3
2
1
3/8 in
8-9. Checking Generator Brushes
Ref 225 543 / S−0233−A
! 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