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Mend Mac 335 Chain Problem Start

Mac 335 chain saw any ideas on my problem ?

My MAC chain saw will start but is a bit smokey have checked mix ok. Engine dies when reved.Have renewed spark plug Also what are the L and H knarled protrusions on the carb below the idle screw for?

Gary Coomber
May 2009
MacMac 335Garden Tools, Hedge TrimmersChain Problem Start
Could try this.

http://www.ehow.com/how_5022893_tune-chainsaw-carburetor.html

Vince
April 2011
check gas flo from tank to carberator some times the hoses crack and suck air

robert d!!!!
June 2009
The answer does indeed lie with the L and H protrusions...these are Low and High mixture screws, and are used to tune the engine. To get you going, turn both screws fully in (not tightly) then turn them back out one turn.

John
May 2009

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Mac 335 Chainsaw - Starting & Smoking Issues