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  1. NW_toronto

    Whats this box called?

    Its from a JLG scissor lift. In the service manual they call it a control valve assembly. I trying to find how they work but cant find much info online so I thought it may be known by other names. Doesn't have to be this very one but I want to learn how they are inside and how the fluid flows.
  2. NW_toronto

    How to relieve hydraulic pressure?

    I tried to do some things but the connections are too tight, I put some oil to loosen it, will keep trying. So I disconnected the steer lines at the cylinder, they cannot be swapped as they put different connector types, perhaps to prevent crossing. Now the steer can move either way manually...
  3. NW_toronto

    How to relieve hydraulic pressure?

    I am about to apply the suggestions. I studied the basics when taking electrical engineering long ago. Not looking to do an entire course just an hour or so is all I can spend learning. If anyone knows sites that explains how to read hydraulic diagrams please tell me. Service manual is written...
  4. NW_toronto

    How to relieve hydraulic pressure?

    Thank you all for the help. My expertise is electrical but I see there is such a thing called a hydraulic diagram. JLG 1432 lift, service manual doesn't explain how to relieve pressure. When button to turn right pressed the wheels turn right but pressing left won't do anything. Replaced solenoid...
  5. NW_toronto

    How to relieve hydraulic pressure?

    It is a scissor lift, how to manually turn wheels to left? I don't want to make you read the reasons for doing this. I think I have to relieve pressure to steer the wheels, what controls on the box must be turned for that...

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