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Discussion Forum

Re: Internation 175b torque converter trans issue

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Dennis K (WA)

09-03-2012 19:25:39

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LUB is the low pressure oil system within the transmission to keep oil going to the clutch packs that are not engaged and the bearings of the transmission. Just another part of the transmission and converter hyd. system.

There is a three spool pressure regulator valve on top of the transmission. The pump, mounted in the converter, supplies oil to it.

Main or clutch pressure takes what it needs first, then the converter gets its share and lub gets what's left. Hopefully there is some.

I guess that's it in a nut shell. IH called it a 'cascade hyd system'

Lub should be around 25psi


This post was edited by Dennis K (WA) at 19:38:16 09/03/12.

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09-06-2012 07:03:41

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 Re: Internation 175b torque converter trans issue in reply to Dennis K (WA), 09-03-2012 19:25:39  
I have changed pressure filter, cleaned strainer and changed o-
ring on suction filter. The tractor works better. I am getting all 4 speeds which it didnt get before when driving without load. However when I try to push with load in position 1 (lowrange) it pushes without slipping. Tracks keep turning no problem. When i put in position 2 lowrange (3rd speed) the tracks do not turn as fast.

I would like to know how this tractor is supposed to work. Is it capable of pushing in 2nd speed and up? I was too young to remember when this tractor was in its prime.

I am going to check pressures this afternoon and update you guys.

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09-04-2012 03:27:10

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 Re: Internation 175b torque converter trans issue in reply to Dennis K (WA), 09-03-2012 19:25:39  
ok. Thanks. Yea Barbados. That is where I am from and were the tractor is located. I am in Miami on business at the moment. Heading back tonight.

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