Author Topic: First Project - 357xp  (Read 1981 times)

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Offline Cut4fun

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Re: First Project - 357xp
« Reply #10 on: October 13, 2012, 09:12:52 am »
Husqvarna 357 359 IPL   http://s30387.gridserver.com/partsDiagrams/Husqvarna%20359%20and%20357xp.pdf

Another husky 357 359 IPL just in case one wont open for you.  http://www.jonsered.ws/359.pdf
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Offline Cut4fun

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Re: First Project - 357xp
« Reply #11 on: October 13, 2012, 09:16:03 am »
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Offline fatboycowen

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Re: First Project - 357xp
« Reply #12 on: October 14, 2012, 07:20:32 pm »
cut4fun,
check out pdf page 7 of the ipl.
http://www.jonsered.ws/359.pdf

Part number 5035776-02 is the helical shaped fuel line in the tank. It comes up out of the tank and through the hole in the car base, to the carb.  I can see that now.
Part number 5034006-02 is the fuel vent(?) line. It's missing on my saw.  the top of the carb base just has the little nipple, with no hose on it.  I havent pulled the carb base yet.  How important is that line?  Could this be causing my problem?  It's not really clear to me the purpose of that line.  Even if the line isnt there, the tank is still vented, right?

Thanks!
Jon
Stihl 020T
Husqvarna 345e
Husqvarna 357xp
Husqvarna 562xp
Husqvarna 385xp

Offline 660magnum

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Re: First Project - 357xp
« Reply #13 on: October 14, 2012, 07:36:46 pm »
I doubt your chainsaw ever having a vent line? They came along about 2007 on some models.

If your chainsaw had a vent line, there would be a hole for it to loop up through the carb air chamber floor and to fasten to a little nipple up closer to the cylinder.
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Offline Cut4fun .

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Re: First Project - 357xp
« Reply #14 on: October 14, 2012, 08:27:01 pm »
My 357 had vent in tank no line. 

Show us some pics of what you are talking about on your saw.
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Offline fatboycowen

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Re: First Project - 357xp
« Reply #15 on: October 17, 2012, 08:14:58 am »
Sorry no pictures uploaded yet.  Soon.

Last night i pulled the carb support plate off.  This gives good access to the fuel line where it enters the tank.  So, it doesn't look like i'll have to remove the tank to install the new line.  The old line is very ****  near the carb.

I realized that i needed to lift the cylinder up to get the partition wall intake off of the cylinder.  I did that, and it appears to be in good condition. The clamp was still tight and the rubber hasnt degraded.  It doesnt look like this was the problem, but i will replace it anyway (since i ordered it).

My parts will take a bit to get to me, since some of them are not in stock.

So, i lifted the cylinder, but left the piston in, because i don't own a ring compressor.  Since i am so close, should i just order up a ring and a ring compressor and replace the ring too?  Is there anything difficult about installing a new ring? Any reason i shouldn't?

Also, when i lifted up the cylinder, i found that the rubber line from the old decompression valve had a huge split right at the bottom.  This was a huge air leak.  Could this be the entire problem?  What kind of running problems would this cause?

So, i was thinking of how i should plug the hole in the lower nipple for that decompression fitting.  It's a small hole in a fitting.  Should i fill it with epoxy?  Thoughts?
Jon
Stihl 020T
Husqvarna 345e
Husqvarna 357xp
Husqvarna 562xp
Husqvarna 385xp

Offline 660magnum

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Re: First Project - 357xp
« Reply #16 on: October 17, 2012, 11:07:45 am »
The cracks in the fuel line at the carb is bad enough but the decompression signal line would have been a crankcase leak and caused a lot of fuel draw problems.

I've used a electricians wire tie (wrap) for a ring compressor. It will drop down around the rod and then you cut it off.

The chainsaw ring compressor set up is nice as there is a plastic jig that slides along both sides of the rod to prevent the piston skirt from bumping the gasket or crankcase.
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 John Mc

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Re: First Project - 357xp
« Reply #17 on: October 27, 2012, 05:57:09 pm »
Baileys sells a little kit to convert from the automatic to manual decomp on a 357XP.  It's basically a manual decompression valve, and a little rubber sleeve with a spring clamp that fits over the decompression hose stub.  Not all that expensive, but I suppose it would have been easier to just put some sort of goop on the hose stub.

Offline farmboy

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Re: First Project - 357xp
« Reply #18 on: October 28, 2012, 07:08:56 am »
I sealed the decomp hose fitting on the cyl. on mine with a small  sheet metal screw and JB weld for insurance.
Shep

Offline mweba

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Re: First Project - 357xp
« Reply #19 on: October 28, 2012, 08:46:41 pm »
Sorry if I missed it but which carb does your saw have?  Zama or walbro?  The walbro had idle issues and smoked a lot of cylinders.  The recommended upgrade is to the zama.

 

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