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Craftsman 16'' chainsaw, start with very high rpm, how to adjust ?

It runs very high rpm (fast), How I adjust the Idle, L and H screw? Thanks.

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The H is for when your cutting,it keeps the saw from stalling. The L, is for the saw when at Idle. When the L ,is adjusted right, the saw should stay running ,and the chain should not move ,that is with the break in the off position. The H screw,should be adjusted if the saw bogs down when rev ed up. A good starting point for theses screws would be a turn and one half out.

Posted on Jan 21, 2009

  • J. Robinson Oct 25, 2011

    where is the h and l screw
    jr

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If its an old Homelite you should have 3 screw on the carburator.
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First the idle screw. It should just open a little bit the carburator butterfly.
Second full close both ''L'' and ''H'' screws (turn clockwise).
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Than at full throttle open again a little bit the ''H'' screw to make the high rmp mixture more rich.
Becarful if ''H'' screw is not adjust correctly the mixture will be to poor and motor damage can occur.

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Duplicate Post
There is usually a sticker with a craftsman Model Number on it, often "358.Something". That number can be used to find an IPL and if you are lucky an OM here: Sears PartsDirect http://www.searspartsdirect.com/partsdirect/index.action Start at 1.5 CCW from lightly seated then tune for performance like this:
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There are 2 wav (sound - idle & full – may not be highlighted) files that I find most helpful, I think you will too. HTH
Lou
Duplicate Answer

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Hi 1tgriffin,
My name is Dennis and I hope that will serve your needs.
IDLE ADJUSTMENTS:
There are three adjustment screws on the carburetor labeled
H (for High speed MIXTURE)
L (for low speed MIXTURE)
T (for idle SPEED SETTING)
They are located just above the primer bulb. If your saw floods so soon in the starting process the idle mixture setting can be set too rich and the speed may be set too slow. Remember the chain will not move when the idle speed is set correctly with a WARM ENGINE!
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Please don't exceed the limits of the plastic limiters when making adjustments.
If you haven't adjusted the mixture screws you may just have to adjust the idle speed and that can start my turning that screw all the way in to the stop and then back out 4-1/2 turns for a good place to start. FAST IDLE -- Adjust the speed until the engine runs with out the chain moving. Adjust clockwise to increase speed. C clockwise to decrease engine speed.
Accelerate the engine and if it stumbles and makes too much smoke it's too rich turn the
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Glad to be of assistance - please rate the solution because I will learn from your rating. Thank you

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