Question about Homelite Consumer Products 9.0 Amp, 14 In. Chainsaw

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Homelite d2850b chainsaw air-fuel adjustments. white adjustment on left red adjustment on right. how do i calibrate?. Alsoit just seems as though its getting too much gas. Tried to warm it up a bitt with a hallogen light (5 min.) and gas leaked out the bottom as though too much pressure had built up.

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If the fuel tank was completely full, I would expect fuel leakage from the tank vent--don't make a practice of overfilling. Give it a little breathing room for expansion. Check the air cleaner and muffler for plugging. White and red adjustments mean nothing to a color blind person. There should be an 'H' and 'L' cast into the plastic surface or on the carburetor body itself near the adjustments. Turn both screws CW to stops (lightly) and then back out each 1-1/2 turns CCW. Start the engine and allow to warm up. Pull the throttle full on, and adjust H CW until the engine starts to speed up but still 4-stroking. Proper adjustment is when the engine 4-strokes, but immediately 2-strokes when cutting. Release the throttle and adjust L CW until the engine runs fairly well, but allows the engine to 'follow the throttle'. Set the idle speed screw so that the chain stops turning, but the engine continues to run. Hope this helps!

Posted on May 13, 2010

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It sounds as though the fuel setting isn't quite right. Don't try to adjust it with a dirty air filter (to lean once cleaned) or stale fuel.
If it still acts up I'd take it to a good local chainsaw seller/mechanic. It needs to be warm before adjusting and if they don't make a cut after the adjustment they would never get my saw again. HTH
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