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    Cat 312 main hydraulic pump hub and coupling

    my hub and coupling was in a million pieces when I opened it up. I’m trying to install new hub and coupling assembly now. I can’t figure out witch way the hub goes in there. The hub has a flat side then there’s a lip that stands out further on one side. There’s also. Place for set screws or one...
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    No power to throttle or key switch

    I’ve been working on my 311 for about a month now cleaning fuel tank and lines pretty much entire fuel system. So i havnt messed with any wiring. When i parked machine everything was fine key switch and throttle worked great. After cleaning fuel tank and fuel system i went to crank machine and...
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    Stuck valve on mini bobcat excavator

    Hey how is everyone doing? I’m new to the this forum. I’m seeking any information that i can receive from the experts or someone that is familiar with a 2017 bobcat mini excavator. I have a stuck valve and I’m not sure witch one it is. The valve that is stuck is the bucket curl valve. Thank you...
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    Cat Excavator 312 1997 Hydraulic Hose Diagram

    Hello, Does anyone have a manual of the caterpillar excavator 312 hydraulic hose system? I have a 1997 model and recently just cleaned out all my hydraulic lines. I had marked everything properly, but the markings on 4 of the hoses wore off from the oil. After hooking everything back up, my...
    • Billy Doug
    • Thread
    • caterpillar diagram excavator 312 excavator 312 1997 hydraulic flush hydraulic hose hydraulic hose diagram manuals valve
    • Replies: 14
    • Forum: Excavators
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