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Ford 4600 pwer steering

George Ford 4600 is extremely hard to steer, I changed the power steering filter and added fluid. It won't turn unless extreme pressure is applied and the power steering pump squals. I cannot remove the steering wheel retaining nut. Your advise is appreciated.
Tom Howdy George,

Quote: "It won't turn unless extreme pressure is applied and the power steering pump squals."

You may have a galled/seized up spindle on the front axle. Have you greased them recently? Jack up the front axle. Disconnect the steering links from the spindle arms and check that both spindles rotate freely.

Does your tractor have two small power steering cylinders? One on each side attached to the steering links?

Does your PS control block at the base of the steering column have 6 lines connecting to it? You may have a broken spring in the PS control block.

Be very careful handling the PS control block, as it has plungers, springs, and balls that can come popping out and be lost, if you are not careful. It might be time to service your PS control block to clean any crud/rust out of it, and to install new seals top and bottom.

Does your steering wheel rise upward when you steer in one direction? If so, you may have bad bearings in the steering gearbox.

Getting the center nut off of the steering wheel is usually not a problem. Spray it good with penetrating oil and allow it to soak. Have someone hold the steering wheel while you attempt to turn the nut with a socket.

To get the steering wheel off of the shaft, pull on it with hands at 3 and 9 o'clock. Rock back and forth left and right while pulling on it. If that doesn't work, try 6 and 12 o'clock and rock forward and back.

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