John Deere 530 Fan does not turn
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Thread: John Deere 530 Fan does not turn

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    John Deere 530 Fan does not turn

    Last summer I was riding my John Deere 1959 530 around my neighborhood in lower gear (why I don’t know) when my tractor stalled and white smoke came out of the muffler and it looked like other places but it happened so fast I don’t remember. I did NOT try to turn the engine over at that time. Also, just after this happened, I spent two months in hospital and I have not been able to work on the tractor until now. I thought I had blown a head gasket but upon checking the compression I found I have around 150 on a cold engine. I assume the head gasket is good. I, being a novice at repairing John Deere tractors did notice when cranking the engine that the fan was not turning. So my question is “is the fan to turn when the engine is turning”?

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    Engine fan is driven by governor gears via a fan clutch.

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    toddcopa (05-29-2016)

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    I will take the governor apart.

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    I removed the governor and found that the governor shaft, part #B3781 R, is broken.
    Do I buy a new shaft and have the bearings pressed on or buy a used governor?

    Thanks.

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    I would

    fix the one you have. Purchase a used one and you have a new unknown. Fix the one you have and you will know what you have with less worries.


    Just what I would do.


    Steve

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    toddcopa (06-21-2016)

  10. Top | #6

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    I talked to a company yesterday about my governor. They said the governor and fan assembly need to match and they want $2500 to do the job. I MUST check other sources.

  11. Top | #7

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    I would recommend getting a service manual for your tractor if one exists. Not sure if Deere ever printed one for the 530 or just relied on the "50" series manual to cover the 520/530 tractors too. The procedure for gov. and fan shaft repair and set up should be well explained in the manual. I have no experience with a 530, but think the gov./fan assemblies are similar to the late B tractor. The gov. gear to fan shaft gear mesh is very critical for longevity and minimal noise. If you can get a good used gov. shaft assembly, you would want at least the mating fan shaft gear from the same tractor. Or if the gov. gear you have is not damaged, it should be assembled to the new/used gov. shaft to match the original fan shaft gear mesh. The fan shaft assembly gets shimmed to adjust the mesh and gear backlash to the gov. assembly. A brand new gear set, if available, requires the same setup and shimming, but will not have a worn surface to contend with. Clear as mud, yes? lol
    Check out Antique John Deere Parts replacement by Davenport Tractor for manuals, as well as Deere.

    Do you have any pictures of the broken shaft? Was there any other damage? Could there be any broken pieces that have fallen into the crankcase?
    Good luck with the repair. Sure would like to own a 530!

    tommyhawk

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    toddcopa (06-26-2016)

  13. Top | #8

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    Hopefully I was able to attach some pictures of the broken shaft and of my tractor on general. The shaft break was clean.
    I found one half of a snap ring when I took the governor off. I don't know where the other half might be. I see where one tooth of one gear is chiClick image for larger version. 

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ID:	200850ped and the gears are worn.
    Last edited by toddcopa; 06-27-2016 at 12:25 AM.

  14. Top | #9

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    Thank you for your help guys.
    I do not feel up to repairing it due to health reasons.
    Watch for it on Ebay soon. I don't know if whole or in parts.

  15. Top | #10

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    Sorry to hear you don't feel well enough to continue. You gave it a good try though in finding the problem. Hope you can get healthy again.

    tommyhawk

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