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Order Ford 4000 Parts Online

Ford 4000 with SOS and PTO problem

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gene l needles

06-20-1999 15:54:04

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I have a Ford 4000 tractor with a Select-O-Matic transmission. It has a single speed Power Take-Off. 540 RPM. When the PTO handle is fully in, (the shaft should be stopped) the shaft continues to idle and spin. Not at 540 RPM, but it is still spinning. The Ford Manual says the PTO selector cable must be properly adjusted or, "...This situation results in the loss of transmission lubrication and slipping of the PTO clutch..." I Have tried several times to adjust that cable.

But along with that it appears that the Transmission fluid is being pumped/transferred (???) into the hydraulic fluid reservoir. The transmission fluid gets lower and shifting becomes a problem. In addition the fluid in the hydraulic reservoir increases to the extent that it leaks out of the (Hydro) dip stick hole. I have to drain some out and put it in the transmission case.

How do you stop the PTO shaft from turning and/or properly adjust the PTO cable?

One other thing. I fished out the wire that is supposed to be attached to the PTO switch in the hydraulic reservoir. The book says this is supposed to be attached to a red light on the dash and light up if the PTO shift cable is not adjusted correctly. I have hooked it up to a voltmeter with no results whether the cable handle is in or out and the PTO engaged or not engaged. I have a bad switch, I guess.

Thanks for the help.

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06-21-1999 17:30:17

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 Re: ford 4000 with SOS and PTO problem in reply to gene l needles, 06-20-1999 15:54:04  
Gene, as to your PTO problem, check out my reply on page 5 to Mark Suits - "Ford 871".

As to the oil transfer, one or both output shaft seals are leaking. Split tractor behind transmission to replace.

As to this switch and wire, it is not a PTO switch, it is a low lube light. It is designed to light up if you have low lube pressure. When testing the switch, you should have continuity to ground with the engine off, and no continuity with the engine running. This is simply a grounding circuit, there will be no voltage present.

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