Author Topic: Poulan 415 425 445 475 505 jonsered 2077 2083 2083II Partner 660 710 7700 worm gear  (Read 82 times)

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Offline Cut4fun .

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If you recall I had a small engine shop calling about wanting a plastic worm gear for the jonsered 2083. I have them but dont want to sell anymore of mine. Being I use these saws still.  Both are NLA metal and plastic. But the metal ones was used on the early run of the saws. Jonsered 2077 Poulan 415 475.
So I been wondering if we could reverse engineer this.   Metal in place of the plastic worm gears.  The later 2083 2077 poulan 425 445 505 used the plastic gear and updated pto crank bearing and seal combo.   
Here is the early 415 475 updated replacement that was offered, then 415 475 metal and then the latest one.
It does work on the 445 I just tested on. No cutting trials though. Both saws are still projects but the 445 is running.

 
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Offline Cut4fun .

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For the folks that was following the worm gear deal, plastic newer and metal older.

That 445 I was testing today is the one that had the older 415 475 metal worm gear in it. Oiling great in the cuts.
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