Author Topic: Can't split the case  (Read 618 times)

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Offline Cut4fun .

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Re: Can't split the case
« Reply #20 on: September 29, 2013, 05:40:33 pm »
Well, I think the case from saw again is a better deal, IMHO! If LWalper doesn't buy the bottom end I will! Am always on the look out for them because I bought out a shop going OOB and have about a dozen OEM top ends that I am holding on to.

I agree.  Not from this  the seller I posted above link to.
 But another seller (not a member here) sold me a crankcase that supposedly had good crank bearings crank etc that turned smoothly etc.  Yeah right sounded like gravel in the bearings and the big end rod bearing had up down play. Being it come from a big PNW seller on FEEbay I ate it because of cost on the return shipping (offered no refund besides return case for cost without any shipping refunded).

Thats why I said getting a known good crank from you would be good.
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Offline lwalper

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Re: Can't split the case
« Reply #21 on: September 29, 2013, 07:12:53 pm »
365 pics attached

If you want the case, email me and we can work out the details.

Offline lwalper

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Re: Can't split the case
« Reply #22 on: September 29, 2013, 07:13:43 pm »
additional pic

Offline oldtimber

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Re: Can't split the case
« Reply #23 on: September 30, 2013, 10:07:48 pm »
Thanks for the link to sawagain, exellent source and prices.

Offline lwalper

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Re: Can't split the case
« Reply #24 on: October 02, 2013, 10:49:32 am »
You seem to shrug your shoulders at the 390. Does it have any particular problems?--or are you just suggesting that, for the money you'd just stick with the 365 rebuild. I was talking with the local S660 dealer today who suggested he knew a couple of people with the H390 who had recent problems with the clutch side bearing and oil seal. He (a nice guy, but, the dealer) was steering me toward a S440 or 660 for similar class performance.

Offline 660magnum

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Re: Can't split the case
« Reply #25 on: October 02, 2013, 10:54:37 am »
It is suggested that the bearing problems stem from the use of 50:1 oil ratios?
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Offline KilliansRedLeo

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Re: Can't split the case
« Reply #26 on: October 02, 2013, 11:24:30 am »
My understanding is the problem was the clutch side bearing. I just checked both the original 385 and the 390 both appear to now use the fix that Husqvarna came up with to fix the original problem with the 385. Essentially the clutch side case bearing was not getting enough oil to keep it lubed properly. Only problem with the fix is that it is expensive. Currently the starter side bearing is a 738220325 SKF 6203-C3 14$ the clutch side appears to be a modified 6203 503251301 $41 (bearing and seal) seal alone 503262201 is 21$.

It does not appear that the new seal can be retro fitted to the old style bearing (check attached file).

Dan Henry tells me that by tuning the saw for 32:1 mix cures the oiling issue! He further said that doing 32:1 will keep the saw going strong up to 2 years. Where the original bearing setup was only good for 4-6 months on 50:1.
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Offline KilliansRedLeo

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Re: Can't split the case
« Reply #27 on: October 02, 2013, 11:31:43 am »
OBTW I have three 385s in the shop that I am parting out that ALL had clutch side bearing failure, and an early 390 that also had clutch side bearing failure.

Have a look at this, it is one of the 385s

http://chainsawrepair.createaforum.com/husqvarna/hey-troll!-husqvarna-385390-sealed-crank-bearings/
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Offline KilliansRedLeo

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Re: Can't split the case
« Reply #28 on: October 02, 2013, 11:55:09 am »
Not sure what spec the fix was associated with. However from what I can tell the 385 2001 spec saw used the same setup as current saws.

Perhaps someone else has the information so you can check your saw. Or you could just run 32:1 and hope for the best.
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Offline lwalper

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Re: Can't split the case
« Reply #29 on: October 02, 2013, 03:52:41 pm »
Disclaimer: I am not a dealer and have no interest in Amsoil, ...

... but I have been using their Saber 2-stroke oil at the Amsoil recommended 100:1 mix. The oil mix discussion and bearing lubrication issues is interesting. The 365 I bought sight-unseen two or three years ago and, as I recall, it sounded excessively noisy when I first cranked it -- sounded like a rattle-trap -- probably bad rod bearing then. But I've burned several gallons of fuel in it since purchase without any problems or increased noise until it just seized the other day. The top end looks almost new -- no blow-by, no hot spots, no carbon at all on either the piston, head, or plug. No oil fouling. But the rod journal bearing is badly worn and one (I forget which one now, probably the clutch side) of the side bearings felt like it had sand in it. Sounds like a common problem for a variety of models.

I think this 390 I'm looking at is a 2012 model.

 

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