X724 Hydraulic Leak
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Thread: X724 Hydraulic Leak

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    X724 Hydraulic Leak

    I picked up a x724 a month ago and just mowed the lawn with it for the first time. As I was mowing I found a couple puddles and streaks in the lawn that look to be hydraulic fluid. I have put about 2hrs on the machine before this (it has just over 1,000 total) using the blade with a quick hitch and have not noticed anything before. I did a fluid and filter change when I got it.

    The only thing I did differently is disconnect the angling cylinder hydraulic lines before I mowed and left them loose tied to the lift lines that were still attached. I couldn't find the leak point after inspecting the valve, transmission and power steering. The places that it leaked are consistent with where I would have raised and lowered the deck. The only other thing I noticed is that when raising the deck the top 1" of travel makes a loud creaking sound.

    Any ideas on where this leak could be coming from? I tried replicating it in the garage and couldn't. They were fairly heavy puddles, so i think it's more than just a drip and something must be triggering it.

    Thanks.

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    The lockout valve?

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    I didnt see anything there. Has anyone ever had issues with the couplers not sealing? Just thinking that since I disconnected the angle it might have came from there? Is there a relief valve or anything that could puke oil?

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    sennister's Avatar
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    There should be some o-rings in the couplers. I know the older machines had them and I assume the newer ones are the same as I don't think the design has changed.

    HOW TO DISASSEMBLE HYDRAULIC COUPLER OR QUICK DISCONNECT - YouTube
    Last edited by sennister; 05-05-2019 at 08:12 PM.


    JD Z950R 60" Deck with DFS Collection System

    JD X585, 54C deck,
    CTC Model X4750 F.E.L - Modified Imp Pressure Relief from 900 to 1175PSI, Power Flow and MC519 cart, 54-inch Quick-Hitch Front Blade, 47-inch Quick-Hitch Snow Blower, 3-pt hitch, HF Quick Hitch, Heavy Hitch, 60" box blade/rear blade, Dethacher, Sprayer cart

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    I ordered all new couplers and will just change those out. Hopefully that solves it. Appreciate the help.

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