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Fordson Tractors Discussion Forum

Neglected Major Diesel

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Royce C

10-14-2004 05:12:30




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Yesterday I started up an old Major Diesel that had been abandoned in a field for approximately 12 yrs.

Flushed the coolant and fuel systems, drained condensate from all housings, topped off fluids, bled fuel system, and had to use ether before I could get her to start. Cranking speed seems excessively slow, even with a known good battery that has no problem turing over a diesel 5000.

There is quite a lot of tapping coming from the area of the injector pump, and she's extremely hard to start, even when warm. Can stuck parts in the pump lead to noise due to "slack"? Is there an additive that can help?

I have been reading past posts, have the original owner"s manual, and will check the injector timing today.

Thanks.

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MarkS

10-16-2004 07:47:27




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 Re: Neglected Major Diesel in reply to Royce C, 10-14-2004 05:12:30  
Sounds like you are on the right track.Mine was sitting about the same amount of time.Here is a few things I learned.

Replaced or repaired all the battery and starter cables.Use at least 2 gauge or bigger.

Clean the starter and replace the brushes.

Replace the lift pump.A Massey (forgot the tractor model) pump is cheaper.Use the arm from the old pump, rotating the diaphram housing so the fuel lines line up with the original positions.

Eliminate all fuel leaks, purge the air at the filter and injectors. I used the original filter but added petcocks on top to make it easier and faster to purge air out. There is two bolts, one in and one out. Tap those out, which is easy.

Add a filler plug on the injection pump half way up the upper side cover.Fill with motor oil.I would spray the inside with WD40 or use diesel fuel before adding motor oil.Also spray the governor plunger real well which is under the metal bell up where the two vacuum lines come in.

Good luck.

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Bob

10-14-2004 09:27:32




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 Re: Neglected Major Diesel in reply to Royce C, 10-14-2004 05:12:30  
The pumps ARE noisy, especially if there is any play in the drive coupling. No real harm in it, though, for "play" use. They'll run for YEARS that way.



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tooly

10-17-2004 22:02:15




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 Re: Neglected Major Diesel in reply to Bob, 10-14-2004 09:27:32  
when I worked on Fordsons I replaced quite q few fibre pump couplings with the newer design rubber coupling,which was used on the Super Major,and is much quieter running.
However I agree that for a hobby tractor the fibre one is probably good enough tho timing may have to checked more often.



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