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    john deere 6220 hydraulic testing.

    I have the tech manual. It only tells you how to remove and install all the parts. To find the problem I need the diagnostic manual. Yes it's $875 My valves are manual not electric. I guess I think they should work better than my 2 cylinders from 70 years ago that are simple. They return every...
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    john deere 6220 hydraulic testing.

    I have the operators manual. The setting A is for using a hydraulic motor and setting C is for using a cylinder. All are set in the C setting. All the dime valves are where they should be acording to my technical manual.
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    john deere 6220 hydraulic testing.

    The block on the rear of my hydraulic main block has 3 ports to hook the gauges to. Which one is for what test and what should my readings be? I checked with my dealer and he said I need to get a different manual to find my problems. The manual I have is how to fix the problems, not to...
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    john deere 4230 cab blower

    Thanks Bob. Once you told me about the parallel and series, that made sense. I had 2 wires reversed. Very hard to figure out. I never thought about using the resistance of the motors them selfs to get the resistance to run them on the slow speed. Thanks a bunch. Gust like most of the time, the...
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    john deere 4230 cab blower

    I have a 4230 that had one of the cab blower motors go bad. I put in a new motor. Both motors are the 2 wire motors. I only have the low speed and no hi speed. The books show a resistor mounted on the right side of one of the motors and my dealer said that is the problem. I opened the roof...

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