Question about Husqvarna "Chain Saw - 16" Bar, 3 Hp

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Need initial carb adjustments for both high and low adj.

Please let me know the starting number of turns of adj. screw from full cw for both high and low speed adj. Husqvarna 444 se. thanks,JM

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Start at 1turn out on both that should grt it running from there..

Posted on Jan 31, 2009

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On a mcculloch 3200 what is the high and low settings of the needel vales on the carb?


Make sure the air cleaner is clean. Turn both jet needles CW to stops (lightly), then back each out CCW 1-1/2 turns. The engine should start and run--allow to warm up, then pull the throttle full on. Turn the H needle CW until the engine starts to speed up, but still 4-stroking. Final adjustment is when the engine 4-strokes no load, but immediately 2-strokes when cutting. Release the throttle and adjust L needle CW until the engine idles fairly well, but will allow the engine to follow the throttle. Adjust the idle speed screw so that the chain doesn't turn and the engine continues to run. Hope this helps!

Nov 21, 2010 | McCulloch Chainsaws

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My chain saw will not start. I gave it to a guy who messed up the carb adjustments. Need to know the initial carb setting.


Turn both jet screws CW to stops (lightly), then back each out CCW 1-1/2 turns. This is a basic setting and should allow the engine to start and run. Start the engine and allow to warm up, then pull the throttle full on. Turn the H needle CW until the engine starts to speed up, but still 4-strokes. Correct adjustment is when the engine 4-strokes running free, but immediately 2-strokes when cutting. Release the throttle and adjust L needle so that the engine idles fairly well, but allows the engine to 'follow the throttle'. Adjust idle speed screw so that the chain stops turning, but the engine continues to run. Hope this helps!

Jul 11, 2010 | Husqvarna Craftsman 36cc, 16 In. Gas Chain...

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Chain saw carburator settings for husqvarna 61


Turn both screws CW to stops (lightly), then back out CCW 1-1/2 turns each. This is a basic setting and the engine should start and run. Allow the engine to warm up, then pull the throttle full on. Turn the H jet screw CW until the engine starts to speed up, but still 4-strokes. Proper adjustment occurs when the engine is 4-stroking, but immediately 2-strokes when cutting. This gives best power and lowest heat. Release the throttle and adjust L jet CW until the engine idles fairly well, but will allow the engine to 'follow the throttle'. Adjust idle speed screw so that the chain stops turning, but the engine continues to run. Hope this helps!

Jun 06, 2010 | Husqvarna "Chain Saw - 16" Bar, 3 Hp

1 Answer

When running, smells rich, fouls plug, and smokes when running. when adding throddle, cuts out.need to know how many turns on carb screws for low and high mixture adjustments from factory. cleaned carb and...


Hello Derrick:
I would start with "H" and "L" at 1.5 CCW from lightly seated then adjust for performance as follows:
Carburetor Adjustment by Madsens.com
http://www.madsens1.com/saw%20carb%20tune.htm
  • CW is leaner; to lean will destroy the saw. If over tightened closed (CW) the adjustment screw faces are easily marred; marred adjustments are difficult to impossible to set properly.
  • Clean the air filter; adjusting with a dirty filter can cause a run lean condition once cleaned and the saw run.
  • Clean the spark arrestor and muffler; if the saw cannot exhale it cannot inhale.
  • There are 2 wav (sound - idle & full - may not be highlighted) files that I find most helpful, I think you will too.
There is a thread for your saw here:
http://www.arboristsite.com/showthread.php?t=117499&highlight=McCulloch
She is respected.

If you have more questions or need additional help please reply below and I will get back to you. Thank you for using FixYa and Good Luck. HTH
Lou

Mar 29, 2010 | McCulloch Chainsaws

1 Answer

High & low carb needle settings


I would start with both the "H" and "L" needle valves at 1.5 turns CCW from lightly seated then adjust for performance as follows:
Carburetor Adjustment by Madsens.com
http://www.madsens1.com/saw%20carb%20tune.htm
  • CW is leaner; to lean will destroy the saw. If over tightened closed (CW) the adjustment screw faces are easily marred; marred adjustments are difficult to impossible to set properly.
  • Clean the air filter; adjusting with a dirty filter can cause a run lean condition once cleaned and the saw run.
  • Clean the spark arrestor and muffler; if the saw cannot exhale it cannot inhale.
  • There are 2 wav (sound - idle & full - may not be highlighted) files that I find most helpful, I think you will too.
If you have more questions or need additional help please reply below and I will get back to you. Thank you for using FixYa and Good Luck. HTH
Lou

Mar 16, 2010 | Poulan Pro 42CC 2 Cycle Chainsaw, 18"

2 Answers

Fat cat saw need to know idle scew adjustment for high low on zama


Make sure the air cleaner is clean or replaced and the muffler is not plugged. Set both screws to CW stops (lightly), then back out each CCW 1-1/2 turns. Start engine and allow to warm up. Pull throttle full on, and adjust H needle CW until the engine speeds up, but still 4-strokes. The correct point is when the engine 4-strokes, but 2-strokes when a cutting load is applied. Let idle and adjust L for smoother running, yet allows the engine to 'follow the throttle'. Adjust idle speed screw so that engine continues to run, but doesn't try to move the chain. Hope this helps.

Mar 01, 2010 | Chainsaws

2 Answers

On the husqvarna se266 carborater, what is the low and high screw settings or how many turns is the screws supposed to be at?


Initial setting for a Husqvarna; "H" and "L" screws at 1 turn CCW form lightly seated. Then tune for performance like this:
Carburetor Adjustment by Madsens.com
http://www.madsens1.com/saw%20carb%20tune.htm
CW is leaner; to lean will destroy the saw. If over tightened closed (CW) the adjustment screw faces are easily marred; marred adjustments are difficult to impossible to set properly.
Clean the air filter; adjusting with a dirty filter can cause a run lean condition once cleaned and the saw run.

There are 2 wav (sound - idle & full – may not be highlighted) files that I find most helpful, I think you will too. HTH
Lou

Feb 22, 2010 | Chainsaws

2 Answers

What are the adjustments for the high and low mixture screws on the carbureator? the carbureator is from an echo 500vl chainsaw.


Echo thinks your actual model number is CS-550EVL. Page 14 lists the starting points for carburetor adjustment here:
http://www.echo-usa.com/pdf/documentation/CS550evle_010186.pdf
Additional manuals for you saw can be found here:
EchoUSA
http://www.echo-usa.com/documentation.asp
More choices can be found by typing CS in the model: window then clicking “Search”.

Once initialized this is the best procedure I have found.
Carburetor Adjustment by Madsens.com
http://www.madsens1.com/saw%20carb%20tune.htm
CW is leaner; to lean will destroy the saw. If over tightened closed (CW) the adjustment screw faces are easily marred; marred adjustments are difficult to impossible to set properly.
Clean the air filter; adjusting with a dirty filter can cause a run lean condition once cleaned and the saw run.

There are 2 wav (sound - idle & full – may not be highlighted) files that I find most helpful, I think you will too. HTH
Lou

Feb 13, 2010 | Chainsaws

1 Answer

How do I adjust carb on homelite b3850d chainsaw?


Should b 2 screws on side of carb. One is low speed adj and one is high speed adjust. Turn screws all the way in until they bottom, not too tight--turn them out 1 1/2 turns. Start saw and adjust the idle screw by turning in until it starts to sputter and turn out until is idles smooth same for hight speed only adjust at high speed

Aug 07, 2009 | Homelite Chainsaws

1 Answer

Poulan 1950


tighten the left screw and right screw all the way.
losen the left screw 1 full turn and the right screw 1.5 turn and that should be the factory setting good day.

Dec 27, 2008 | Chainsaws

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