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Author Topic: Intro Post - Dad's old saw - Husqy 365/372 - Rebuild  (Read 4592 times)

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Offline HolmenTree

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Re: Intro Post - Dad's old saw - Husqy 365/372 - Rebuild
« Reply #60 on: February 19, 2019, 11:28:45 AM »
X2, good job!
I wish I had the time and patience that you have when I did my work saw restorations. 
But I am taking my time on one though. ;D
 

  
Making a living with a saw since age 16.

Offline Somewhat Handy

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Re: Intro Post - Dad's old saw - Husqy 365/372 - Rebuild
« Reply #61 on: February 19, 2019, 11:41:53 AM »
If I were making my living with this saw, there wouldn't be a thread on this process. I would have buttoned it up and got to work already. I'm also waiting on some other things to happen/materialize before I really go to work with this saw. Day jobs...

Offline Somewhat Handy

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Re: Intro Post - Dad's old saw - Husqy 365/372 - Rebuild
« Reply #62 on: February 19, 2019, 11:51:20 AM »
X2, good job!
I wish I had the time and patience that you have when I did my work saw restorations.
But I am taking my time on one though. ;D
 
(Image hidden from quote, click to view.)
  
That thing looks beastly. Care to elaborate a bit?

Offline HolmenTree

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Re: Intro Post - Dad's old saw - Husqy 365/372 - Rebuild
« Reply #63 on: February 19, 2019, 11:55:54 AM »
I built it 35 years ago, Yamaha YZ 125 motorcycle engine with a 42mm snowmobile carb.
Putting out 40hp+ at the crank .

Totally rebuilding it to right hand drive and get it down to the weight of a Husqvarna 3120XP making it still competitive today in modern times.
Making a living with a saw since age 16.

Offline Somewhat Handy

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Re: Intro Post - Dad's old saw - Husqy 365/372 - Rebuild
« Reply #64 on: February 19, 2019, 12:11:07 PM »
I built it 35 years ago, Yamaha YZ 125 motorcycle engine with a 42mm snowmobile carb.
Putting out 40hp+ at the crank .

Totally rebuilding it to right hand drive and get it down to the weight of a Husqvarna 3120XP making it still competitive today in modern times.
So, your aim was to simply make a tree disappear in a cloud of sawdust?  ;D
J/K, you should post this in the diesels & such thread. I think motorcycle engines definitely qualify as alternative power....

Offline HolmenTree

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Re: Intro Post - Dad's old saw - Husqy 365/372 - Rebuild
« Reply #65 on: February 19, 2019, 05:17:15 PM »
Motorcycle engines have powered the earliest 2 man chainsaws.
Danarm used a Villiers 250 cc motorcycle engine.
Even a 1938 Harley Davidson V twin 1200 cc on a Dolmar transmission in Sweden.
Making a living with a saw since age 16.

Offline Somewhat Handy

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Re: Intro Post - Dad's old saw - Husqy 365/372 - Rebuild
« Reply #66 on: February 19, 2019, 07:48:54 PM »
Like a hot knife.... good grief. Thanks for the vid!

Offline HolmenTree

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Re: Intro Post - Dad's old saw - Husqy 365/372 - Rebuild
« Reply #67 on: February 19, 2019, 07:53:23 PM »
Like a hot knife.... good grief. Thanks for the vid!
The engine was running great but what looks like old scratcher chain they were running needed some work to get it to feed right.
I'd love to see more history on that saw if I could read Swedish. 
Making a living with a saw since age 16.

Offline Somewhat Handy

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Re: Intro Post - Dad's old saw - Husqy 365/372 - Rebuild
« Reply #68 on: October 11, 2021, 09:44:53 PM »
Gonna revive this thread with some reassembly photos. It's been a crazy couple years, huh? Long story short, we made it through Covid, I've made some changes at work to free up time for the real life, we finally bought some acreage with timber in southern  MO, and last week we had our first boy.  :)

The new place has a remote wood furnace and propane, but no electric heat, so we've been piling up logs from the previous owners' clearing work and this saw will be put to the test in short order.

I'm putting assembly lube on all the bearings, pins, and bushed components.





 


Offline Somewhat Handy

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Re: Intro Post - Dad's old saw - Husqy 365/372 - Rebuild
« Reply #69 on: October 11, 2021, 09:48:45 PM »
Reinstalled the alignment dowels, buttered the crankcase gasket with some permatex ultimate black, then used the crank puller to marry the halves from the flywheel side.



 


 





 

Offline Somewhat Handy

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Re: Intro Post - Dad's old saw - Husqy 365/372 - Rebuild
« Reply #70 on: October 11, 2021, 09:56:14 PM »
I kinda started tapping my own crank puller set back in 2019 and ran out of time on the project. This time around I sprung for the OEM tools. Don't make my mistake and order the pullers for later 3XX series saws(first picture)- the thread on one side of the crank is larger on the 365 SP circa 2004. The puller set in the second pic is the one you want for this particular saw.



 


 



 

Offline Somewhat Handy

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Re: Intro Post - Dad's old saw - Husqy 365/372 - Rebuild
« Reply #71 on: October 11, 2021, 11:05:57 PM »
Next pressed in the crank seal, slipped on the bushing for the oil pump gear wheel, dropped in the oil pickup line, installed the oil pump with two screws, spun on the gear wheel, laid on the washer precedes the clutch assembly, installed the bar oiler tube and rubber bushing.




 

 

 

 

 

 

 

 

Offline Real1shepherd

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Re: Intro Post - Dad's old saw - Husqy 365/372 - Rebuild
« Reply #72 on: October 12, 2021, 10:33:43 AM »
Just skimmed through the whole thread...agree with most things but not all of it.

What oil ratio where you using and what oil specifically? What did the spark arrestor look like?

I don't know if you finished the exhaust port, but Dremel bits would do that nicely. As far as your piston;turn the jug upside down with a spark plug in place....drop the piston in the jug. If it floats down, it's highly usable. If it drops 'clunk', I'd think about replacing it with used OE.

Kevin   

Offline Somewhat Handy

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Re: Intro Post - Dad's old saw - Husqy 365/372 - Rebuild
« Reply #73 on: October 12, 2021, 11:30:05 PM »
@Real1shepherd, I don't know what ratio my dad was using on this saw, but I'll be starting at factory recommended ratio and moving toward 40 or 50:1 after it's broken back in. I won't mess with port work untill I have one or two backup saws ready to go, but I'm doing the gasket delete for now, possibly followed by a custom muffler and unlimited coil if needed.

Offline Somewhat Handy

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Re: Intro Post - Dad's old saw - Husqy 365/372 - Rebuild
« Reply #74 on: October 12, 2021, 11:42:07 PM »
Have people with lots of 362/365/372 husqy experience noticed the variability in the crank seals? I already had to reorder the flywheel side seal due to a big ID difference. Now I'm noticing that the clutch side seal won't seat tight and there is just a hairs width of daylight around it in that crank bore. I checked against the original case half and it's the same deal. I won't make the mistake of ordering from Amazon again.  :(

I'm gonna order a new seal specific to my model and year from partstree.com, but I wanted to float the issue in case I'm about to get the same result, since the oem part # seems to be identical for all generations of this saw. (503 26 03-01)




Offline Tacotodd

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Re: Intro Post - Dad's old saw - Husqy 365/372 - Rebuild
« Reply #75 on: October 13, 2021, 03:53:35 AM »
You need new OEM case halves. Just get @weimedog to share his experience with AM cases & youll see what Im speaking about. AM cases are soft and the bearing pocket area (including the seal area) tend to get beaten out, although he can better verbally describe his experience & ordeal with. 
Trying harder everyday.

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Re: Intro Post - Dad's old saw - Husqy 365/372 - Rebuild
« Reply #76 on: October 13, 2021, 09:11:52 AM »
@Tacotodd this is a used OEM case half. I think I just need a slightly larger seal, but I'm not sure where to get it. I think I could get by rolling the seal edge in aviation sealer before inserting, it's that close. If I could expand it a little, that might help, maybe in a vise or arbor press.

The original case half has the same size bore on the clutch side, ( that was the old case half in the last photo) so I think I've got the wrong seal somehow.

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Re: Intro Post - Dad's old saw - Husqy 365/372 - Rebuild
« Reply #77 on: October 13, 2021, 09:20:38 AM »
I guess its the pic that makes it like it is. I dont know at this point. Like you say, maybe try so miracle chemical that is available from a really reputable place and see how that turns out, because I want to know!
Trying harder everyday.

Offline Somewhat Handy

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Re: Intro Post - Dad's old saw - Husqy 365/372 - Rebuild
« Reply #78 on: October 23, 2021, 08:33:01 PM »
Well. Partstree sent me a flywheel side seal instead of the clutch side.  :-[

So, I'll try the aviation sealer instead cuz I'm sick of this merry-go-round.

I applied 1 coat, let that tack up, then applied a second thick wet coat.

I was happy to see a nice bead of sealant pushed up all around the bore.

I'll let this cure overnight before going further.



 

 


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Re: Intro Post - Dad's old saw - Husqy 365/372 - Rebuild
« Reply #79 on: November 30, 2021, 05:41:51 PM »
Guh.... finally figured out what I was missing on that clutch side crank seal  :)

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