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jdemaris
10-08-2003 18:02:19
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Re: JD 350B Reverser in reply to jim, 10-08-2003 17:34:33
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There are many things that could cause the problem, but chances are the reverser is just plain worn out and needs to be pulled. You can try shimming the pressure up to 150 p.s.i., and/or opening up the "rate of shift" screw, and also . . . make sure the clutch pedal is coming all the way up and the return spring has good tension. It's possible that there is something amiss in the hydrualic control valve assembly, and it CAN be removed with the reverser in place. It's not easy, but I've done it many times. Usually, though, by the time parts get that worn in the valve, the complete reverser needs rebuilding. If it was mine, I would pull the valve assembly off first and check it out, especially the forward-reverse valve and the shift accumlator and stop bolt. You cannot repair it from the front. You must pull the engine, then pull the reverser out the front. Pull the control valve assembly off the side, then the little oil tubes that are exposed once the valve is off, then pull the front cover off the reverser, then pull parts out through the front. Note that the main shaft assembly, that has the forward and reverse clutches on it, rides on adjustable tapered bearings. It is adjusted with shims at the rear of the reverser, which you cannot get to until the reverser is separated from the transmission.
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