Idler wheel axle
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- 420 crawler
- Posts: 40
- Joined: Mon Apr 06, 2020 1:04 pm
Idler wheel axle
so I'm replacing the axle ( idler shaft ) , bushings , thrust plates and oil seals on my 40, got the new bushings in but the new idler shaft is not cooperating , I put it in the freezer thinking it will shrink just enough to go thru the bushings , does it need to be pressed in or can I get it in if I'm carefull with a big hammer and i protect it with a piece of hard plastic or wood where i hit it ?
Re: Idler wheel axle
No press to install the shaft, the bushings are too tight, the shaft is held on the ends and the idler turns on the shaft, that's why it has bushings. Did the bushings get damaged installing them? It happens, especially if driven in.
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- 420 crawler
- Posts: 40
- Joined: Mon Apr 06, 2020 1:04 pm
Re: Idler wheel axle
Well I must of damaged them when I installed them , just my luck , lol
Re: Idler wheel axle
If you just deformed/rolled the very outer ends of the bushings, they might be salvaged by filing away any ridge there. May not be ideal but it can work. If no ridge, the bushings and shaft should be measured. If there is no clearance they may need fitting by a machine shop, unless you have provisions to ream or hone the bushings.
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- 420 crawler
- Posts: 40
- Joined: Mon Apr 06, 2020 1:04 pm
Re: Idler wheel axle
Ok thanks Jim
Re: Idler wheel axle
I am finally back to rebuilding my Idler wheels as well. Bushings seem Ok. I have one NOS shaft that is a nice fit. I have 3 used (salvaged) shafts that all seem a bit loose. Is there a standard for acceptable wobble? I have 4 new seals (from Lavoy a couple years ago). Not sure yet about reusing (worn) thrust plates & shims.
Weekendcoker- do you have a source for shafts and possibly thrust plates?
Lavoy- do you have parts available?
Weekendcoker- do you have a source for shafts and possibly thrust plates?
Lavoy- do you have parts available?
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- 420 crawler
- Posts: 40
- Joined: Mon Apr 06, 2020 1:04 pm
Re: Idler wheel axle
got it to work , sanded the ridge down and it slipped in , thanks for the infoJim B wrote: ↑Fri Aug 27, 2021 7:24 pmIf you just deformed/rolled the very outer ends of the bushings, they might be salvaged by filing away any ridge there. May not be ideal but it can work. If no ridge, the bushings and shaft should be measured. If there is no clearance they may need fitting by a machine shop, unless you have provisions to ream or hone the bushings.
Re: Idler wheel axle
I have a few NOS thrust plates, nothing on seals as of right now, working on getting new ones manufactured. Axles were out of stock last I knew, might be available now, I should have bushings in stock.
Lavoy
Lavoy
Parts and restoration for antique and late model John Deere crawlers.
Owner and moderator www.jdcrawlers.com
Owner and moderator www.jdcrawlers.com
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