Speedaire gas engine Model 4b220 air blows out the vent on the throttle unloader

by Louie Sc huhler
(Plainfield IL)

Speedaire 5 HP Briggs and Straton gas engine Model 4b220.

Air blows out the vent on the throttle unloader.
I disassembled and cleaned the unloader and reassembled.
Still blows air out vent. Won't pressurize tank.

Comments for Speedaire gas engine Model 4b220 air blows out the vent on the throttle unloader

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Jun 18, 2014
Was that item 32
by: Doug in s.d.ca

... that you cleaned out?

Since that is part of the "exhaust tube kit", maybe you need to just replace it.

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