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netsco

3416h hydro leak

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netsco
Hi everyone, I'm hoping someone can give me some advice on a problem I'm having with my 1973 3416H. The hydro has been showing some minor leaking for quite awhile ( a few drips on the floor after being worked) but has never gotten worse so I never gave it a lot of thought. Well the other day I used the tractor for some minor work and when I went out into the garage the next day there was a large puddle of oil under the hydro. When I checked the reservoir it was nearly empty. If anyone has any ideas on what might be the problem or how difficult it will be to repair, it would be greatly appreciated. Dave

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MikeES
Dave, this group can really help you with this but we need more information, about where it is leaking. It could be a hose, the reservoir, the pintle shaft (not likely to leave a pile of oil standing still) any number of reasons, some simple, some ????

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netsco
First of all, thank you both for responding. I do appreciate it. I went out this evening after work and took off the covers so that I could better see the oil leak. I'm not 100% certain but it looks as though the oil is coming from around the brake/clutch shaft on the hydrostat. There is a lot of dirty oil build up on the unit so it is hard to say for sure but if it's not coming from this shaft then it is coming from the larger shaft (input shaft?) right beside it. I realize that you can't talk me through a repair such as this, but my main concern is that if I have to break the case to replace a seal will there be springs and ball bearings flying everywhere? Also, is this even a task that I would want to tackle since my mechanical ability is limited and my knowledge of a hydrostat is non-existant? Any help you can give would be appreciated. Thanks in advance, Dave

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