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Got a 838 mcculloch chainsaw starts fine go to cut and it cuts out sparkplug fine air filter fine think carb needs adjustment need seetings thanks

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6ya6ya
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Posted on Jan 02, 2017

steve_lima
  • 181 Answers

SOURCE: I would like to know how to adjust the carburator of McCulloch 3516 chainsaw 35cc/cm 46759-77

the carbuator has two 2 adjusting screws on it.one is high side and the other is low side.start by turnig them both in until they touch bottom.now turn them both out 1 1/2 turns.this should start and run saw.throttle saw up to full throttle and adjust high side in until you get the best RPM out of saw.do not adjust high side any less then 7/8 turn out from bottom.if you do you will burn saw up from to lean burn.once the high sie is set now adjust low side until the saw will idle by it's self.let me know if this helped you.......

Posted on Jun 01, 2009

  • 1 Answer

SOURCE: NEED INSTRUCTION MANUAL FOR MCCULLOCH 838 AS CHAINSAW

Found it at
http://www.mcculloch.biz/int/support/owners-manuals/?query=MAC+838&types=O

Posted on Apr 16, 2010

Testimonial: "Thanks exactly what i was after,thanks again."

  • 1 Answer

SOURCE: McCulloch,Mac 3200 Chainsaw fuel lines...........

retgmdI need the same, did you ever find one?

Posted on May 27, 2010

puertobori
  • 7733 Answers

SOURCE: mcculloch power mac 310 chainsaw Carb adjustments

The idle adjustment screw will probably have a spring on that screw and will push directly on the throttle linkage. You just adjust this screw until the engine idles like you want it to. I believe on saws, they have to idle to where the clutch will not engauge when the engine is at idle. As for the mixture screws the low speed screw (L) you adjust when the engine is at idle, the high speed screw (H) you adjust while the engine is running with a good bit of throttle. Once you get the idle speed where you like it, then all you have to worry about is the mixture screws. When adjusting the screws, just listen to the engine, to much one way and the engine will run rough and sputter, to much the other way the engine will run rough and maybe start hunting (reving up and down). One thing to check on these small 2-strokes is that the air filter and the muffler are not clogged cause if they are, then you would be having to adjust the carburetor to make up for the air restrictions that these two problems can cause which would mean that the carburetor isn't actually adjusted perfectly.

Posted on Oct 24, 2011

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1 Answer

Starts fine but just as I start to cut the wood it bogs downs and sounds like it is flooding out. I can back it off, rev it up and the same thing all over again.


It is unusual for a machine to richen up when it starts cutting, chainsaws normally run a little rich free running, when they start cutting they need the extra fuel to keep it going under load, it is much more likly it is running too lean, start by cleaning the air filter, if there is a spark arrestor in the muffler take it out and clean it ( a gauze in the exhaust outlet ) pull the fuel filter out of the tank and replace the filter on the end, failing this it may well be a carb adjustment required, there is a special tool required to adjust many of these carbs ( the screws are splined ) this will require a workshop adjustment, or making a tool to fit over the screws so as to turn them, try using a short peice of tube that fits tight over the screw, push a suitable screw driver in the end od the tube to allow you to turn the screw, turn the H and the L screw out 1/2 turn on each , has this improved the running, if so it is running lean.

Feb 07, 2011 | Poulan P3416 16Inch 34cc 2Cycle Gas...

1 Answer

I have a Mcculloch 16in maccat 35cc chain saw


Does the chain turn freely by hand? Is it being oiled properly? Check the fuel filter, air cleaner, and muffler for plugging. Does 'feathering' the choke make any difference? If it helps, try turning the H jet needle CCW about 1/4 turn which should make it run more rich and 4-stroke until you are cutting which should immediately cause the engine to 2-stroke. Hope some of this helps!

Jul 21, 2010 | McCulloch Garden

1 Answer

Chainsaw only runs when i take off the air filter and keep it at high revs,as soon as i take finger of the trigger it cuts out and wont idle.ive already cleaned out the carb,checked fuel,cleaned filter and...


It sounds rich to me try turning the "L" needle CW a little. CAUTION CW is leaner, to lean will destroy your saw. Adding the air cleaner leans out the mixture. Adjusting it with the air filter off can cause a run lean condition when installed.
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. Good Luck. HTH
Lou
Thank You for using FixYa.

Apr 24, 2010 | McCulloch Garden

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 Garden

1 Answer

My 32000 mac ,IT WILL START BUT THEN IT BOGS OUT.It was sitting for awhile.so I cleaned it up the plug,chain,new gas lines new primer bulb and then it ran long enough for me to cut down agood sized...


It sounds as though it might be a little lean, Turn the "H" screw CCw a little. This is the best advice I have ever found for carb adjustment:
Carburetor Adjustment by Madsens.com
http://www.madsens1.com/saw%20carb%20tune.htm
CW is leaner; to lean will destroy the saw.
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.

If you need them a good starting point for "H" and "L" is 1.5 CCW from lightly seated. HTH
Lou
I think too many 000s in your model
I think your model is actually 11-600032-Something.
You can find a parts manual here:
McCulloch IPLs
http://www.ordertree.com/modelinfo/McCulloch/139.59.html

Jan 21, 2010 | McCulloch Garden

1 Answer

Chainsaw runs but when I start cutting it dies


you might just neet to clean the air filter and/or the carb.

Oct 06, 2009 | Husqvarna Craftsman 36cc, 16 In. Gas Chain...

2 Answers

16" gas chain saw loses power and stalls


you will need to clean the carb and put new gaskets in it. Make sure it has clean thin oil. Dont over due it on the oil

Mar 31, 2009 | Garden

2 Answers

McCulloch chain saw wont stay running after it warms up. I go to cut wood it start to bog down if i let go of the button it idles fine


Is the chain brake engaged? The brake lever should be in the back position. Toward the handle.

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Mar 23, 2009 | Poulan Wild Thing 2375 18" Gas Chain Saw...

1 Answer

Idle is off??


hi leobowdy

disassembly the carb and carefully clean it.Check the air filter,the fuel line and fuel filter,check the needle,lever,small spring and the screen filter from the carb.Check the sparkplug.
high speed H=2 turns,low speed L=2 1/2 turns,adjust T
When chain saw starts adjust H,L and T accordingly.

cheers savumihai71.

Nov 22, 2008 | Ryobi Factory Reconditioned 18" 40cc...

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