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IH 175B tracks can a welder rebuild them?

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Tim Greve

10-05-2002 14:33:31




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I looking at buying a 175B loader. I intend to use it for a couple of years clearing ground building a pond etc. on 60 acres. The one I am looking at runs very good and everthing works. The machine shows a lot of wear. My Local U/C repair co has seen pictures and said the chain and pads are worn out.
He said for farm use he would just "short track it" and weld grousers on the pads. My question is could I do this as a temporary fix to get my work done then when time permits weld up the worn parts (bushings, rails)so I can re-sell it with a clear conscience.
I have access to all types of welding supplies and I like to do this kind of work.

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Brokenwrench

10-05-2002 16:52:39




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 Re: IH 175B tracks can a welder rebuild them? in reply to Tim Greve, 10-05-2002 14:33:31  
For farm use you can take a link out. This may or may not work. There could be, and probably is alot of internal wear on the pins and bushings. This will cause problems in the future as the chain stretches and doesnīt locate itself properly in the sprockets, which will cause the sprockets to start to chip away, as the chain tries to walk up on the tips of the sprockets. This will probably happen at a most inopertune time, probably on the side of a slope, or in about 2 feet of mud. There are alot of 175īs in salvage yards, try to find one with a turn left in the bushings. Have the P&Bīs turned and then weld up the chains, or have the track shop do it when they turn the bushings, I think it will be money well spent, not to mention the agravation it will save you when you are trying to put the tracks back on while standing in knee deep mud. JMHO

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Tim Greve

10-05-2002 19:48:06




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 Re: Re: IH 175B tracks can a welder rebuild them? in reply to Brokenwrench, 10-05-2002 16:52:39  
Turning the bushings sounds good to me.
Help me understand something. What caused the flat spots on the bushings? The center of the bushing rides on the sprocket. The ends with the flats come in contact with what? when the weight of the tractor is on them?
Question #2
In order to turn the bushings would I grind the welds on every link in the chain and rotate the bushing 180 deg.
Question #3
When refering to the under carriage is the rail the same as the as the side of the chain link?
Question #4
I have 20 plus years experience in machine tool maintenance. I know how to work on press fit and heavy iron without ruining it or killing myself.
could the bushing be turned on the farm with the right tools?
Question #5
How does a pin get wear on it? If its a .003 inteference fit inside the ID of the bushing it surely does move?

look forward to your reply I'm learning something
new everyday!!!

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gatractorman

10-06-2002 02:10:32




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 Re: Re: Re: IH 175B tracks can a welder rebuild them? in reply to Tim Greve, 10-05-2002 19:48:06  
Question #1 if your refering to the outside of the rail and it looks like someone has been ahold of it with a big grinder you need to check the bottom rollers, with age and use the bottom rollers wear out and let the flanges come in contact with rail especially when turning, #2 generally a track shop will remove the track pads, press the pin out then press bushing out rotate 180 and press back in, #3 the term rail and chain both mean the same thing but its usually talking about the whole thing as a unit, both sides as well as pins and bushings #4 I suppose its possible to do it on the farm, never saw it tried tho, I dont think I would try it #5 the pin wears because it runs on the inside of the bushing and is constantly flexing when the rail goes over the idler or sprocket

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AJ

10-05-2002 15:00:52




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 Re: IH 175B tracks can a welder rebuild them? in reply to Tim Greve, 10-05-2002 14:33:31  
By short tracking they mean taking a link out of each chain,if the sprockets and bushes are not worn out it will probably do the job for you as you will be working in soil most of the time,you could build up the chain rails and weld new grouser bars to the pads,build up the idlers but you cannot build up the bushings.
AJ



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Tim Greve

10-05-2002 15:12:28




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 Re: Re: IH 175B tracks can a welder rebuild them? in reply to AJ, 10-05-2002 15:00:52  
The sprockets and idlers that I can see are in good shape. The bushings have (2) .250 flats worn on the ends. The middle of the bushing measures .238 I assume it was .250 when new. see my attempt at text art drawing below.

bushing

|---|____|---|



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AJ

10-06-2002 01:49:26




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 Re: Re: Re: IH 175B tracks can a welder rebuild them? in reply to Tim Greve, 10-05-2002 15:12:28  
Check your bottom rollers if they are worn they will run on the bushes on the inside and pin bosses on the outside,a track press is needed to remove the pins and bushes so its a track shop job
AJ



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Tim Greve

10-05-2002 15:17:29




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 Re: Re: Re: IH 175B tracks can a welder rebuild them? in reply to Tim Greve, 10-05-2002 15:12:28  
Bushings are 2.238 I assume they were 2.250 when new

opps!



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