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  1. #1
    Gold Member
    Join Date
    Jan 2004
    Posts
    401
    Location
    houston texas
    Tractor
    Century 3647

    Default Century Hydraulic leak

    A month or so ago, I posted a question about what I thought was a PTO area hydraulic leak.

    After much watching, cleaning etc, I believe that it's actually a small leak from the hydraulic fluid GAUGE!
    That little glass with the level marks on it.
    Has anyone every encountered anything like that out there??

    Anthony

  2. #2
    Platinum Member Zork's Avatar
    Join Date
    Dec 2003
    Posts
    775
    Location
    Virginia
    Tractor
    '04 Branson 3520, '51 Fergy, '96 MTD 18/46, '02 Craftsman GT5000/48

    Default Re: Century Hydraulic leak

    Do you have a shop manual? Is the gauge flanged with a gasket or the typical round clear plastic gauge?
    He who is full loathes honey, but to the hungry even what is bitter tastes sweet.

  3. #3
    Gold Member
    Join Date
    Jan 2004
    Posts
    401
    Location
    houston texas
    Tractor
    Century 3647

    Default Re: Century Hydraulic leak

    I don't have a shop manual, only the basic owners book.
    I'll be checking with the Branson dealer up the road, they might know.
    just thought that was odd.

    anthony

  4. #4
    Elite Member
    Join Date
    Sep 2002
    Posts
    4,121
    Location
    Red Bluff, CA
    Tractor
    Changes often!

    Default Re: Century Hydraulic leak

    Quote Originally Posted by anthonyk
    A month or so ago, I posted a question about what I thought was a PTO area hydraulic leak.

    After much watching, cleaning etc, I believe that it's actually a small leak from the hydraulic fluid GAUGE!
    That little glass with the level marks on it.
    Has anyone every encountered anything like that out there??

    Anthony
    Anthony, this is very common, and very easy to fix. Back the right rear tire up on some blocks, or use a jack, so that the hydraulic oil flows away from the sight glass. We have a concrete curb next to our loading dock that is perfect for this... Pop the site glass out carefully with a small screwdriver. Clean the sightglass rubber seal and the transmission housing with brakeparts cleaner or something like that. Re-install the glass with some RTV silicon. It will never leak again. About a 10 minute job, and you don't have to drain the fluid.
    Dave
    Dave's Tractor, Inc.
    Red Bluff, California

  5. #5
    Platinum Member Zork's Avatar
    Join Date
    Dec 2003
    Posts
    775
    Location
    Virginia
    Tractor
    '04 Branson 3520, '51 Fergy, '96 MTD 18/46, '02 Craftsman GT5000/48

    Default Re: Century Hydraulic leak

    Nice advice, thanks Dave.
    He who is full loathes honey, but to the hungry even what is bitter tastes sweet.

  6. #6
    Member
    Join Date
    Jan 2005
    Posts
    44
    Location
    Central Kentucky
    Tractor
    Branson 3510

    Default Re: Century Hydraulic leak

    I had the same problem about 3 months ago on my 3510. Branson dealer said it was common with the old sightglass and sold me a new one (I think it was about $6). Pointed the front downhill, popped out the old sightglass with a small screwdriver, and popped the new one right in. No problem since.
    KYMike

  7. #7
    Gold Member
    Join Date
    Jan 2004
    Posts
    401
    Location
    houston texas
    Tractor
    Century 3647

    Default Re: Century Hydraulic leak

    Guys, I really appreciate those tips!
    This site and the folks on it are great!


    Anthony

  8. #8
    New Member
    Join Date
    Feb 2007
    Posts
    19
    Location
    Mid MO
    Tractor
    Branson 2810 w/FEL, JD 40S

    Default Re: Century Hydraulic leak

    Hi folks,

    I just wanted to add my two cents worth. My 2810 started leaking fluid from the sight glass around 100 hours. I called my dealer and ordered a new one. It was going to take several days to get due to the holidays. My dealer told me to silicone the old one. I cleaned and sealed the old one, with blue silicone sealer and it did not leak for about another 20 hours. I then put in the new one, which is a little different design and used permatex #85409 Ultra rubber gasket sealant & dressing on the new one. I have no leaks after another 20 hours and I hope it stays leak free. I will let you know if it leaks again. If it does leak, I have a redneck engineering plan for the next time.

    Hey Dave at Daves Tractor, did I use the wrong silicone sealer??? Should I have used the black, red etc???

  9. #9
    Elite Member
    Join Date
    Sep 2002
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    4,121
    Location
    Red Bluff, CA
    Tractor
    Changes often!

    Default Re: Century Hydraulic leak

    Quote Originally Posted by jgreen
    Hi folks,

    I just wanted to add my two cents worth. My 2810 started leaking fluid from the sight glass around 100 hours. I called my dealer and ordered a new one. It was going to take several days to get due to the holidays. My dealer told me to silicone the old one. I cleaned and sealed the old one, with blue silicone sealer and it did not leak for about another 20 hours. I then put in the new one, which is a little different design and used permatex #85409 Ultra rubber gasket sealant & dressing on the new one. I have no leaks after another 20 hours and I hope it stays leak free. I will let you know if it leaks again. If it does leak, I have a redneck engineering plan for the next time.

    Hey Dave at Daves Tractor, did I use the wrong silicone sealer??? Should I have used the black, red etc???
    The key seems to be cleaning both surfaces with brakes parts cleaner, or something similar. It needs to be real clean, not a bit oily. Then about any silicone seems to work. We've never had one leak twice.
    Dave
    Dave's Tractor, Inc.
    Red Bluff, California

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