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Old 02-28-2016, 02:04 PM
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charlie105 charlie105 is offline
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Default 105 hydro leak
Checked rear end for fluid level last summer. It was dripping fluid on the floor, maybe a tablespoon in 2 weeks. When I took the plug out the rear end was pressurized and about 1/2 cup of fluid came out. No leaks since then---untill last week. Took out the fill plug, and the same thing happened, rear end pressurized, and another 1/2 cup of fluid ran out. Two years ago, the tractor was "split" to replace the famous seal. Cleaned out the rear end, replaced the Hytran the year we got it, and again when I rellaced "the seal" To get to the point, why is the rear end becoming pressurized ?
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Old 02-28-2016, 02:21 PM
Yosemite Sam Yosemite Sam is offline
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Just above the rear cover (on top of the rear end housing) there is a breather, it could be plugged or painted over.
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Old 02-28-2016, 04:09 PM
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charlie105 charlie105 is offline
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Default 105 hydro leak
Thanks "Sam". The vent you mentioned is on the top rear of the trans axle case, is flush with the top of the case, and looks like a solid metal plug ? Thanks, Steve.
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Old 02-28-2016, 04:32 PM
Yosemite Sam Yosemite Sam is offline
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Yeah that's the one, Someone will have to help me out, I'm not sure what they're called but they are supposed to be a brass colored breather.

I think they are NLA but you can look it up here
http://www.partstree.com/parts/cub-c...ive-rel-parts/
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Old 02-28-2016, 05:56 PM
finsruskw finsruskw is online now
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Sintered brass is the correct term IIRC.
I need one also for my 126, it is completely gone!
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Old 02-28-2016, 07:26 PM
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Quote:
Originally Posted by finsruskw View Post
Sintered brass is the correct term IIRC.
I need one also for my 126, it is completely gone!
Your 126 will not have one,as it is a gear drive and gets it's ventilation through the shifter.
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Old 02-28-2016, 07:29 PM
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darkminion_17 darkminion_17 is offline
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Originally Posted by charlie105 View Post
Checked rear end for fluid level last summer. It was dripping fluid on the floor, maybe a tablespoon in 2 weeks. When I took the plug out the rear end was pressurized and about 1/2 cup of fluid came out. No leaks since then---untill last week. Took out the fill plug, and the same thing happened, rear end pressurized, and another 1/2 cup of fluid ran out. Two years ago, the tractor was "split" to replace the famous seal. Cleaned out the rear end, replaced the Hytran the year we got it, and again when I rellaced "the seal" To get to the point, why is the rear end becoming pressurized ?
Was the tractor running,then turned off before you checked it?
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Old 02-29-2016, 06:17 AM
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charlie105 charlie105 is offline
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Default 105 hydro leak
No. It had not been run for over 2 weeks.
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Old 02-29-2016, 06:34 AM
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charlie105 charlie105 is offline
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Sintered metal plug huh? Now that finally makes sense. Could not figure how (what looked like) a metal plug could be a vent. The vent is painted shut, so it looks like that is cause of the the rear end pressurizing. I think I will try to scrape the paint off. Concerned that any removers/solvents will drive the paint even deeper. Thanks
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Old 02-29-2016, 11:16 AM
mrmr56 mrmr56 is offline
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That vent plug should be available from any hydraulic shop that sells fittings as it is used on a lot of equipment.
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