Miller Electric Big Blue 500 PT manual Inspecting And Cleaning Optional Spark Arrestor Muffler

9-4. Inspecting And Cleaning Optional Spark Arrestor Muffler

! Stop engine and let cool.

1 Spark Arrestor Muffler

	2	Cleanout Plug
	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
2	material.

! Stop engine and let cool.

Reinstall cleanout plug.

1

Tools Needed: 3/8 in

803 656 / Ref. 215 158

9-5. Checking Generator Brushes

! 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.

Minimum Length: 5/8 in (16 mm)

New Length: 1-1/4 in (32 mm)

Replace
Damaged Brushes	1

Ref. 215 664

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