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Recent content by ex150

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    Hitachi ex150 problems

    Yes it was leaking out of the bearing area and the gear oil was always low. I had to keep refilling it. My neighbor just borrowed the machine the other day, says the hydraulic oil is somehow making its way into the gear oil and is overfilling. The swing motor is whining aswell. That’s a new...
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    Hitachi ex150 problems

    No I haven’t used the machine since I changed the swing motor seal. It’s just sitting there.
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    Just Bought a Case 9060 Excavator (100klbs...)

    I’m having the same problem on my hitachi ex150. Does your hydraulic pump whine at all when the machine is being used?
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    Hitachi ex150 problems

    There are 3 solenoids where the battery is located. What are these for does anyone know? Can it be a lazy solenoid causing one drive motor to be slower?
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    Hitachi ex150 problems

    Now my next problem is figure out why one side track is slower than the other. And my hydraulic oil is milky. Is there a way to get rid of the water or do I have to replace all 55 gallons of hydraulic oil?
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    Hitachi ex150 problems

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    Hitachi ex150 problems

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    Hitachi ex150 problems

    Changed the swing device seal over the weekend. I thought it would be a big job but it was actually quite simple. The seal on the bottom is held by a ring and bolts that comes right off and wholla. I used a harbor freight 1" air impact to unscrew the main bolts holding the swing device. Used my...
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    Hitachi ex150 problems

    Thanks Greg! I'll be working on it this weekend. I bought a rotary manifold seal kit and the big seal for the swing device gear that I'll be changing. I'll update after the weekend
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    Hitachi ex150 problems

    Ive noticed the hitahi ex machines have dash 1 2 3 etc. How do i know which one mine is? The plate on the cab just says ex150.
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    Hitachi ex150 problems

    Hi guys, I just bought a 1990 ex150 with some issues and i have questions. So when im tracking I noticed that the right side track has barely any power compared to the left side which feels normal, cold or hot. Next problem is my swing motor oil leaks into the swing bearing area, does anyone...
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