Author Topic: Stihl 031AV  (Read 1836 times)

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Offline jmester

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Re: Stihl 031AV
« Reply #10 on: October 23, 2013, 08:29:05 pm »
The 23-77 number is a part number for one of the covers. Sounds to me like you have the WA-2C.
FEAR NO TREE. FEAR GOD.

Offline winland

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Re: Stihl 031AV
« Reply #11 on: November 01, 2013, 01:56:16 pm »
OK, I got a rebuild kit for the 031AV Walbro WA-2C and was able to rebuild my first carb.
Never to old to learn a new skill.

I put the saw back together again and adjust the carb to factory spec. 1 1/4 turns out on the H and L
Actually got the saw to fire up run, although not running smoothly.

I am slightly confused.
The H and L screws in the manual appear to be reversed from what they are labeled on the actual carb.






Offline 660magnum

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Re: Stihl 031AV
« Reply #12 on: November 01, 2013, 02:53:43 pm »
"L" is always closest to the engine and "H" is closest to the air filter
We should share what we know... someone may learn...
That knowledge can live after us... and that "Pays It Forward".
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Offline winland

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Re: Stihl 031AV
« Reply #13 on: November 01, 2013, 05:36:22 pm »
I was having lots of trouble tuning the carb.
The chain would not stop regardless of what I did with the "LA" or "T"  or what ever you want to call it, screw.
Back to the books and then back to the chainsaw to check the clutch springs.
Yep one spring is broken.



Anybody have a clutch for an 031av that matches this photo?
I checked for used ones on fleebay.  They are in the $20 range.  New is $75.  More than I paid for the saw.

Chuck


Offline Fish

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Re: Stihl 031AV
« Reply #14 on: November 01, 2013, 06:47:05 pm »
well i'll give you $40 for the saw

Offline rms61moparman

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Re: Stihl 031AV
« Reply #15 on: November 01, 2013, 07:28:34 pm »

Those springs are most likely still available at the Stihl dealer.................if you want to go to a Stihl dealer.


Mike

Offline dutchsawdoctor

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Re: Stihl 031AV
« Reply #16 on: November 02, 2013, 07:44:07 am »
The clutch shoe's are missing the( glue) brake pats, so the spring will brake ;)
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Offline winland

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Re: Stihl 031AV
« Reply #17 on: November 02, 2013, 09:43:42 am »
The clutch shoe's are missing the( glue) brake pats, so the spring will brake

Not sure what you are referring to. Please explain.
Thanks

Offline 660magnum

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Re: Stihl 031AV
« Reply #18 on: November 02, 2013, 09:51:48 am »
The old Stihls had bonded linings on the clutch shoes and yours are missing the lining. You need shoes as well as the spring.

Best to get a whole new clutch spider assembly
We should share what we know... someone may learn...
That knowledge can live after us... and that "Pays It Forward".
Be all that you can be . . .

Offline winland

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Re: Stihl 031AV
« Reply #19 on: November 02, 2013, 11:02:20 am »
The old Stihls had bonded linings on the clutch shoes and yours are missing the lining. You need shoes as well as the spring.

Best to get a whole new clutch spider assembly

Thanks for the clarification.
I removed the clutch and took it to my local Stihl dealer.
He gave me 3 new springs for $3.
I asked if he saw anything else wrong with it.  He mentioned that some had linings on the shoes but could not tell if mine was one of them.

Installed the new springs, re-installed the clutch and fired it up.
Just a reminder here, this is not really my cutting saw, I have several other good saws to cut wood with.
THIS SAW is really my "learning saw" on how to take things apart and put them back together again.
Trying to teach this old dog some new tricks without costing too much money.

Now that the chain was not dragging, because of the clutch,  I was able to re-tune the carb that I had just rebuilt.
Really pretty easy when everything is working  ;D

I will keep an eye on the clutch and new springs.

Thanks all for your help.

Chuck
 

 

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