Question about Husqvarna Chain Saw 20" Bar

2 Answers

Husqvarna 359 Low speed running

I have a Husqvarna 359 saw which I purchased online about 3 years ago. As
for use, I am just about through the first chain.

The last two times that I have used the saw I noticed that after about 5
minutes of running the motor would not stay running at a low speed. Say
something less then 50% throttle. To get it started required choking at
about 50%.

Below is what I have done to date.

The last time I used it I checked the jet settings and adjusted the high
speed to its max open, to no avail.

Stopping the saw for 5 to 10 minutes restores it to a normal state. It
will start up and idle.

I started out to remove the carburetor until I figured out it appeared to
be a major effort. I did remove the top cover to the pumping diaphragm
and every thing looked good there. Same for the fuel hose in the tank,
looks good. But still the same problem. Saw runs strong for the first
few minutes.

Having thought this through a bit more it would appear to me that its a
fuel delivery problem. Which for me means a diaphragm, hose or seal on
the crank case. But again I was after a quick fix looking for debris in
the carburetor jets, and still would be if I can figure an easy way to
remove it, just because its easy to do compare to the rest.

Any thoughts?
I also have a Husqvarna 359 with fuel problems. I am on the third fuel line. Problems with tiny holes in the fuel line are the culprit. I have had this problem since the saw was brand new. The dealer replaced the fuel line the first time which would be fuel line number two. That lasted for a couple of days before same problem appeared again. Got mad and went and bought a Stihl - still running with no problems. Last week replaced fuel line number three and cut one tree before having probelms again. Sucking air! Tried tygon tubing but it seems that ID of line is too big.

Posted by on

  • MyKidsRGoats Apr 18, 2009

    I just replaced the fuel line with a brand new one purchased from a Husqvarna service dealer. There are no clamps and the hose is not rubbing on anything outside of the fuel tank. I do agree that the problem is probably due to vibration but I can't see what is going on inside the tank. My guess is that maybe the plastic inside the tank has a rough edge on it. Do you have any information on how to get to the fuel tank on this model? I have worked on lawn mowers and small engines for years (I'm 51 now) but this one has me stumped.

  • MyKidsRGoats Apr 22, 2009

    Thanks for the info. I'm afraid that I just got a lemon on this purchase. From other posts I have read, it appears that if you were lucky enough to get a saw that didn't have problems life is great. I didn't see any answers if you happen to have a fuel tank with problems. Appears to be a break down in quality control. I know of other dealers who handled Husqvarna in the past but dropped them due to support issues.

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Monthly Routines, Off of Husqvarna website

  • Check the brake band on the chain brake for wear.
  • Check the clutch centre, clutch drum and clutch spring for wear.
  • Clean the outside of the carburettor.
  • Check the fuel filter. Change if necessary.
  • Clean the inside of the fuel tank.
  • Clean the inside of the oil tank.
  • Check all cables and connections.
  • I did read your post, but I am including a link to the manual just in case you haven't gotten it yet, or dont have it, the settings for the carb adjustments are in there.Both with and without the movement limiter And that may help your issue.
    http://weborder.husqvarna.com/order_static/doc/HOEN/HOEN2005/HOEN2005_1150154-26.pdf
    This is one of the 2005 manuals

    http://international.husqvarna.com/node980.aspx?webecsearch=359&O=true
    This is the Manufactureers website, there are actually four different, or changing copies of the manual for this model, depending on what year it was made in.

    If you go here
    http://www.milacalawn.net/husqvarnaparts.html
    You can click on the parts catalog for the model and get VERY GOOD Schematics for this Saw and others.
    I can give you a direct link to a picture of some of the schematics here
    http://rapidshare.com/files/222708713/Husq-359-Saw-CarbVariationsSchemata.gif
    http://rapidshare.com/files/222708712/Husq-359-Saw-CarbSchemata.gif
    http://rapidshare.com/files/222708711/Husq-359-Saw-AirFilterCarbSchemata.gif
    I host these on my own online storage, no virus worries here.
    This may take you directly to the catalog, it depends on the site above, but if not follow the website(milacalawn.net) and you will see the catalog link that has the schematics
    http://wssemw.arinet.com/scripts/EmpartISAPI.dll?MF&app=EWSS&session=77754dfb-c779-46fb-9bed-ad15e06266c1&cat=10&TF=epcFrame&assem=383&highlightNode=No&selAssem=15834&mdDescrip=359%20%282005-02%29

    I think this is what you were asking for is the schematics, it sounds like you know what to look for to solve this, maybe these manual specified adjustments, and the parts catalog, will help figure out whats making it shut out, on one of my weed eaters, the vibration actually moves the choke lever on the carb, and I have to adjust it to keep it running, sometimes with a little choke on to keep it running(Wide open while weedeating thick weeds), if this helps please give me a fixya rating, it really helps, I appreciate the question.
    Gomez


    Posted on Apr 18, 2009

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    I don't know if this can help, but if the problem is with holes on fuel line, then replace all the fuel line with stronger ones and check the fuel hose clamps are well in place. The fuel line are probably being damaged by vibration causing them rubbing on the structure.
    Here you can buy all parts needed.

    Posted on Apr 17, 2009

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    Husqvarna 359 Professional Chain Saw Review




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    I have a Husqvarna 357 xp which is about a year and a half old, but has had very little use for a professional saw. I was cutting with the saw upside down when it suddenly cut out. After letting it rest...


    The carb is an "all position" type and shouldn't be the problem.

    Check and clean/replace the fuel filter in the tank. Dirty or old gas, sawdust and/or water etc. settle on the bottom of the tank; and when the saw is turned over will plug the filter, causing the symptoms you discribe.

    It is possible, if you used old gas(3 to 6 months) that small varnish particles have gotten through the fuel filter and have pluged the fine screen in the carb(located under the diaphram).

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    I need to know how to adjust the bar oiler on my husqvarna chainsaw


    A link to an OM for a 2005 Husqvarna 357XP/359 follows (may not be your saw):
    http://weborder.husqvarna.com/order_static/doc/HOUS/HOUS2005/HOUS2005_1150046-95.pdf
    The procedure is on page 35.
    CAUTION: It only has 3 positions; forcing it beyond the stops may render it inoperative.

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

    Aug 13, 2010 | Husqvarna Chain Saw Maintenance Kit 357xp ...

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    Husqvarna 359: Has run fine for 3 years. Now when first starting idles fine but as soon as it warms up idle speed increases enough to continually engage the clutch. Carb. setting have never been changed...


    I think an air leak and she is running lean. Maybe time for some pressure/vacuum testing. Continuing to tweak the carburetor may camouflage a larger problem until the saw fails.

    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
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    Apr 05, 2010 | Husqvarna Chain Saw 20" Bar

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    Looking at buying a Husqvarna 55 Special pro. The serial number is 1998 8510004. The seller tells me he bought it in the 2000s, is it true.


    Ask to see the sales receipt if you are in need of proof of purchase date. Even contacting Husqvarna to ask when it was registered may not be the actual purchase date. I saw a question not long ago about a saw that was purchased new that had been out of production for a couple of years. It is possible it sat on a dealer's shelf for a period.

    Looking at the serial, it was manufactured in 1998, the 51st week (Dec), and was the 4th product that week.
    HusqvarnaUSA.com
    http://www.husqvarna.com/us/homeowner/support/download-manuals/
    Enter the 3 digit model number (no XPs, Es, just the numbers)
    Serial number decode – useful when downloading IPLs and Manuals
    06 1500198
    06 = year produced – 2006 (single digit year please contact Husqvarna for clarification)
    15 = week produced – March
    00198 = 198th unit Husky produced that week

    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
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    Hard to start.


    My Husky 359 workshop manual says on Appendix A (USA) says "H" 3/4 turn CCW from lightly seated. "L" 1.5 turns CCW from lightly seated.
    Page 36 (every other nation on earth) 1 turn CCW from lightly seated for both the "H & L" needles.
    There is no recommended initial "T" setting. (from manual) "The idling speed is correctly set when the engine runs smoothly in all positions and there is a clear margin to the speed at which the chain starts to move". I wager your manual would be similar.
    These are initial settings and the saw needs to be adjusted for performance. Start with a clean air filter and a fresh fuel mix @ 50:1 per Husky (1 gallon of premium fuel to 2.6 ounces of quality 2-cycle oil).

    This explains performance carburetor adjustment better than I can:
    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.
    I hope you found this post helpful.
    Lou

    Jan 17, 2010 | Husqvarna Chain Saw 20" Bar

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    I have a used husqvarna 455 what size scrench do i need


    You can find both an Operator's Manual and an Illustrated Parts List for your saw here:
    HusqvarnaUSA.com
    http://www.husqvarna.com/us/homeowner/support/download-manuals/
    Enter the 3 digit model number (no XPs, Es, just the numbers)
    Serial number decode – for use with IPL
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    15 = week produced - March
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    Take your saw with you and stop by a local saw shop (regardless of brand). Odds are good they have the correct scrench and it will cost the same without the shipping charges.

    My 359 scrench is 13 & 19 mm. HTH
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    Nov 04, 2009 | Husqvarna Chain Saw 20" Bar

    1 Answer

    Bar oil leaks when saw not in use


    What you describe is common in many chainsaws. Try loosening then reseating the oil cap before putting her away to relieve any pressure built up in the oil tank. Check all the hose connections.
    HusqvarnaUSA.com
    http://www.husqvarna.com/us/homeowner/support/download-manuals/
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    15 = week in 2006 it was produced (March)
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    What should compression be on husky 359?


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    Hope this helps, feel free to email me with any other questions, we are a Husqvarna dealer/repair center and can help you out with that saw. It is a great saw all the features of the XP line at a fraction of the cost. It has the 3 piece crank and magnesium case. It is definitely worth putting the money into this saw!
    -Steve

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    Husqvarna 359 Low speed running


    A lot of 2 cycle engines do not run very well if they have been put up for a long period, (say for winter) with gas in the engine and carb. I finally learned the hard way that if you empty the gas tank and start the normal way and use up the fuel in the lines and carb, you don't get the residue build up from gas that has deteriorated over time.
    Suggestion: empty the fuel out of the tank and run it dry by starting. g\
    Get some gas stabilizer and add to fresh gas, fill the tank and run a few times. It will take awhile but you can gradually get rid of any residue build up

    Hope this helps. Loringh ps Please leave a rating if appropriate Thanks

    Dec 03, 2008 | Husqvarna Chain Saw 20" Bar

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