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  1. #31
    New Member
    Join Date
    Nov 2013
    Posts
    23
    Location
    Taabinga Queensland
    Tractor
    Yanmar YM2310D

    Default Re: Oil ran too low - Need to fill and bleed the system

    OK, here is the latest `good' bit of news ... from parking the tractor last night

    I had already let down the (3PL) set down the disc harrows on a wooden pallet
    Then I noticed the bucket had some dirt and weed caught in it
    So I lifted the bucket a touch and curled it forward ... and as I curled it back, lo and behold the 3PL went up
    The 3PL lever was in the down position

    But I can now avoid high pressure building up and never close that `d@#%*ed' ball valve

    It's not likely I will be needing to curl the bucket up while towing gear
    So I'll slide the 3PL lever Up and pull on the curl lever

    The 3PL lever lets the 3PL down

    Problems solved

  2. #32
    Veteran Member
    Join Date
    Dec 2009
    Posts
    2,441
    Location
    gilmer tx
    Tractor
    yanmar 2002d

    Default Re: Oil ran too low - Need to fill and bleed the system

    Hmmmmmmmmmmmm! I reckon if that works for you then go for it. It would drive me batty (short drive) not knowing exactly what is going on. Thanks again for taking the time to take pictures and share with us.

  3. #33
    Veteran Member Kernopelli's Avatar
    Join Date
    Oct 2006
    Posts
    1,588
    Location
    Carterville, Illinois
    Tractor
    Mitsubishi MTE2000D, Dig It 258 Backhoe

    Default Re: Oil ran too low - Need to fill and bleed the system

    Hoye and Stormer have basic FEL installation/plumbing references......don't know if it will enlighten anything but thought I would mention it. I can't see any reason for there to be a tee in the line or a ball valve. Never seen a loader valve that required this.

    Koyker loader install on a Yanmar

    koyker loader installation instructions
    Darryl

  4. #34
    New Member
    Join Date
    Nov 2013
    Posts
    23
    Location
    Taabinga Queensland
    Tractor
    Yanmar YM2310D

    Default Re: Oil ran too low - Need to fill and bleed the system

    Thanks Darryl and thank you Winston for all your generous `remote help'

    The further I go into it the further I've got out of my depth
    I'm now comfortable at least using the tractor as it is (safely) until I get someone local to look at it for me

    There's too much going on for me to work out:
    The dud 3rd valve, that ball valve, pressurised fluid goes first to the 3PL, and now the 3PL going up when the curl lever tops out
    And all this with what seems to be an original Yanmar loader and control box

    Still, I'm very happy with this little tractor.
    It's doing a wonderful job ripping and discing long days (dense red clay soils)

    I'll keep you posted

    Cheers
    Bob

  5. #35
    Super Member California's Avatar
    Join Date
    Jan 2004
    Posts
    5,411
    Location
    Sonoma County
    Tractor
    Yanmar YM240, YM186D, and another YM186D

    Default Re: Oil ran too low - Need to fill and bleed the system

    Quote Originally Posted by Redlander View Post
    ... It's doing a wonderful job ripping and discing long days (dense red clay soils)

    Cheers
    Bob
    We'd love to see photos!

  6. #36
    New Member
    Join Date
    Nov 2013
    Posts
    23
    Location
    Taabinga Queensland
    Tractor
    Yanmar YM2310D

    Default Re: Oil ran too low - Need to fill and bleed the system

    -wp_000436-jpg
    Yanmar YM2310D
    at "Red Rose"
    Taabinga (high on the Great Dividing Range)
    Queensland
    Australia

  7. #37
    Super Member California's Avatar
    Join Date
    Jan 2004
    Posts
    5,411
    Location
    Sonoma County
    Tractor
    Yanmar YM240, YM186D, and another YM186D

    Default Re: Oil ran too low - Need to fill and bleed the system

    Thanks! Looks like its doing a great job.

  8. #38
    Super Member clemsonfor's Avatar
    Join Date
    Sep 2009
    Posts
    6,147
    Location
    Greenwood Co., SC
    Tractor
    Yanmar YM2000

    Default Re: Oil ran too low - Need to fill and bleed the system

    something is wrong if your 3pt goes up when you curl? There should be no valves you have to close to work another thing. Somebody messed it up i think crossing hoses and put in the valve to get around a screw up.
    YM2000. MF dirt scoop,4' Jbar bushhog,boompole, LMC 12-16 disk harrow, 4' Atlas boxblade (with rippers). 1980 chevy K10,1990 ford ranger 2wd (285K miles),1997 saturn SL2 (twin cam!!),2001Toyota Higlander
    1986 Cobia 177 sunskiff w/1981 Johnson 60 hp
    1991 Javalen 17ft w/same year 150 Johnson GT
    Troybuilt 4 cycle & Echo 2 stroke,cold natured(need carb rebuild),MS390 Stihl, Northern tool pressure washer, mixes water into the oil in the pump(now dead, motor on a tiller). 5000 watt generator.

  9. #39
    Super Member California's Avatar
    Join Date
    Jan 2004
    Posts
    5,411
    Location
    Sonoma County
    Tractor
    Yanmar YM240, YM186D, and another YM186D

    Default Re: Oil ran too low - Need to fill and bleed the system

    I've seen something similar on the YM240 with aftermarket loader. A heavy implement on the back can push fluid back past the 3-point control valve. This control valve must be worn.

    The 3-point hydraulic cylinder seems to be fluid-tight, it will stay up indefinitely if the valve under the seat is closed.

    This back pressure makes the sound of the pressure bypass, and also can raise the front bucket if the loader's control wasn't precisely centered. I've found the loader raising unexpectedly while I was grading going backward looking to the rear. I replaced the loader control valve this year which I think ended this issue.

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