All hydraulics quit on the 2030
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Thread: All hydraulics quit on the 2030

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    Zebrafive's Avatar
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    Angry All hydraulics quit on the 2030

    I started the second day this year brush hogging. After about 4 hours the PTO quit. It has the independent hydraulic clutch for the PTO.
    I stopped, checked the PTO lever had not disengaged (it had not). I decided to drive back to the barn. I was in a valley up hill the only way out. Half way up the hill the HI-Lo acted like it was slipping. In the past if it slipped on hill, it was from low fluid level. I backed down the hill to a level spot to check the fluid level. Backing down power steering quit. Then I tried the 3pt and it would not respond.
    I checked the fluid level. It was OK. Removed the fill cap and the fluid smells burnt. Bad news .

    The coolant gauge on the tractor never went past straight up, normal operating temp. I let it set an hour to see if the hydraulic fluid would cool and hydraulic return. They did not.

    I know the transmission pump feeds the PTO clutch and Hi-Lo, then the main pump, which feeds PS and 3pt.

    I am guessing the trans pump failed or an internal line broke. Or maybe the filer bypass failed/stuck in bypass?

    I still have to get it towed to the barn before I can do anything.
    J
    John Deere 2030 w/245SL Loader
    John Deere 6415 w/640SL Loader
    John Deere 285 50" deck Stolen May 2017
    John Deere x485 62" deck AWS
    Kawasaki Mule 2510 4x4 bought new 1996
    Ford F250 4x4 bought new 1978

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    My guess is 1 of the supply tubes for pto or hi-lo is leaking. Does FEL have ind control valve plumbed to tractor hyd system? If so disconnect the FEL valve pressure line to see if that will kick start hyd's.
    flyweight likes this.

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    Zebrafive's Avatar
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    Quote Originally Posted by Tx Jim View Post
    My guess is 1 of the supply tubes for pto or hi-lo is leaking. Does FEL have ind control valve plumbed to tractor hyd system? If so disconnect the FEL valve pressure line to see if that will kick start hyd's.
    I have not been able to get back to recover or try with tractor having set over night to cool.

    It does have an independent control valve for the loader. Correctly plumbed. Feeds right after the priority valve and returns to the filter cover.
    I did check the two rear SVC were still in neutral, and try with PTO both engaged and disengaged. Also both in Hi and Lo.

    I wonder if the suction screen somehow plugged? Or the suction tube broke/came off the trans pump? Or trans filter plugged, or bypass got stuck open.

    Hi-Lo clutch may also have been danged when it started to slip

    I want to try and recover it back to the barn today.
    Gizmo2 and BigJim55 like this.
    J
    John Deere 2030 w/245SL Loader
    John Deere 6415 w/640SL Loader
    John Deere 285 50" deck Stolen May 2017
    John Deere x485 62" deck AWS
    Kawasaki Mule 2510 4x4 bought new 1996
    Ford F250 4x4 bought new 1978

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    BigJim55's Avatar
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    boy this sucks big time-Zebra5. hope not a bad fix!
    jim

    2006 2520 mcut, 2004 x475, 1953 model 50, 1985 318-was my Dad's,
    king kutter tiller-60", frontier-stone rake, jd-4ft brush hog, frontier-6ft back-blade, frontier-forks, 48 inch forks,
    2-54inch jd snow plows, jd-5ft-pull brush hog,

    2018 835R gas model gator-"aka" the Cadillac i say!! 6ft jd snow plow-which already has a dtac out on it. i got just about everything on it i could at the time

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    Zebrafive's Avatar
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    Quote Originally Posted by BigJim55 View Post
    boy this sucks big time-Zebra5. hope not a bad fix!
    Thanks for the thought BigJim55
    BigJim55 likes this.
    J
    John Deere 2030 w/245SL Loader
    John Deere 6415 w/640SL Loader
    John Deere 285 50" deck Stolen May 2017
    John Deere x485 62" deck AWS
    Kawasaki Mule 2510 4x4 bought new 1996
    Ford F250 4x4 bought new 1978

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    Zebrafive's Avatar
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    Quote Originally Posted by Tx Jim View Post
    My guess is 1 of the supply tubes for pto or hi-lo is leaking. Does FEL have ind control valve plumbed to tractor hyd system? If so disconnect the FEL valve pressure line to see if that will kick start hyd's.
    TxJim, how do you think the loader valve could affect the hydraulics? The loader was off and the joystick was locked.
    Also my two rear SVCs have the quick return kit that runs a hose to the trans filter cover. A Tee was added to add the loader return.
    Gizmo2 and BigJim55 like this.
    J
    John Deere 2030 w/245SL Loader
    John Deere 6415 w/640SL Loader
    John Deere 285 50" deck Stolen May 2017
    John Deere x485 62" deck AWS
    Kawasaki Mule 2510 4x4 bought new 1996
    Ford F250 4x4 bought new 1978

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    Zebrafive's Avatar
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    Yesterday, after setting out for two nights I was able to get back to the farm. No change in the hydraulics still none work.

    I enlisted the help of the neighbor to steer as I towed to barn with the 6415.

    I went the steepest way up out of the valley. It was a shorter pull to the barn and less trees to steer around. The 2030 will not climb this hill. I have to go the longer, less steep hill.

    The 6415 was in MFWD and it started to "power hop" or "wheel hop" about 1/2 way up the hill. Not bad or violent, and settled down as soon as it topped the hill. I was even able to switch off MFWD.

    First we towed it to the neighbors and power washed the grime off. Then back to my barn. After we got it inside. I decided that was enough for the day. It was a hot day out. I plan to buy the neighbor a 6 pack of his favorite drink
    BigJim55 likes this.
    J
    John Deere 2030 w/245SL Loader
    John Deere 6415 w/640SL Loader
    John Deere 285 50" deck Stolen May 2017
    John Deere x485 62" deck AWS
    Kawasaki Mule 2510 4x4 bought new 1996
    Ford F250 4x4 bought new 1978

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    Zebrafive's Avatar
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    Today I went over and tried TxJim's suggestion to disconnect the hoses to the loader valve and cap the lines. I also capped the return from the SCVs that connects to the filter cover. Still no hydraulics . I tried with PTO engaged, disengaged, in Hi and also in Lo. This was engine running, clutch out.

    Next I pulled the trans filter. It looked fine, nothing covering the interior or exterior of the filter. Oil did not show any signs of water contamination.

    I decided to drain the oil and check the sump screen. I got the oil draining, but could not budge the sump screen cap . I tried a 1/2" ratchet (cap has 1/2" female square), then 25' 1/2" breaker bar, and finally my DeWalt 20v 1/2" drive impact. It did not budge. I had trouble keeping the breaker bar in, it wanted top slip out. I also worried about "stripping" the female square.

    Looks like I need to split it and see what I find.

    I removed the loader mount frames. then the foot boards. I found a broken 3/8" lock washer on a foot board mount bolt. No big deal I have plenty of lock washers. Then I found the clutch pedal return spring was gone. No idea when or where. Clutch works fine.

    Next I found the brake line for the left brake was kinked. No bad enough to leak. I am not sure if it is kinked bad enough to stop flow. I'll probably have to replace it.

    The shifters were hard to remove, the lines for the Hi-Lo and PTO were what were holding it. That means the lines had a good seal to the Hi-Lo and PTO valves.

    Once the shifters were off, I saw the shift rail that has a spring was broken and the spring gone. Pretty common. May the spring caused my problems??? I've heard no real need to repair it.

    I have my splitting stand on and the front axle pivot blocked so it wont tilt. I am ready to split. I decided a good place to quit for the day.

    Then split at the start of a new day. I have both transmission drain plugs out. Maybe they will stop dripping by the time I split it.
    BigJim55 and theduke like this.
    J
    John Deere 2030 w/245SL Loader
    John Deere 6415 w/640SL Loader
    John Deere 285 50" deck Stolen May 2017
    John Deere x485 62" deck AWS
    Kawasaki Mule 2510 4x4 bought new 1996
    Ford F250 4x4 bought new 1978

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    Zebrafive's Avatar
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    Any one know if I will be able to see the sump screen once the tractor is split, from the inside?
    BigJim55 likes this.
    J
    John Deere 2030 w/245SL Loader
    John Deere 6415 w/640SL Loader
    John Deere 285 50" deck Stolen May 2017
    John Deere x485 62" deck AWS
    Kawasaki Mule 2510 4x4 bought new 1996
    Ford F250 4x4 bought new 1978

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    I think the sump screen will be difficult to see without removing ring gear & pinion but it's been many yrs since I looked down inside the trans case of a JD utility tractor. Have you picked up a big hammer & hit the cap that holds screen in a few good licks?? Also try blowing compressed air in hi-lo & pto supply tubes & listen for leaking air. Have you checked to be sure hyd filter relief valve isn't stuck open?
    Last edited by Tx Jim; 07-15-2019 at 07:22 AM.
    DRobinson and BigJim55 like this.

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