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  1. #11
    Platinum Member rjmack's Avatar
    Join Date
    Jan 2010
    Posts
    599
    Location
    cariboo wagon rd
    Tractor
    GC2410 May 4/10, mf10 (2)

    Default Re: GC2410 TACH DRIVE STILL A PROBLEM IN SUB ZERO

    Quote Originally Posted by Rob2310 View Post
    On my gc2610, I had the same problem. The problem was behind the tach where the cable comes in and the gears comes together. There would be enough moisture in the "grease" to cause it to freeze up. I would lube it with a very light weight grease and would have no problems.
    I already squirted some 3n1 oil in there, no effect. I guess I could take one of those needle fittings on a grease gun and force some grease in there.


    looks like you might want to convert to a digital tach like the BX kubota's
    I don't like digital tachs. Also, (imho) I think the tractor I already own is better than a bx, that's why I bought it. On the other hand, Kubota may be a vastly superior company to deal with regarding warranty and support but I have never dealt with them so I just don't know. In the tractor sizes above the gc/bx I would seriously consider Kubota.
    2009 mf gc2410
    1970 mf10 power wheel barrow
    1968 mf10 riding mower

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  2. #12
    Gold Member duke7595's Avatar
    Join Date
    Jan 2012
    Posts
    261
    Location
    S/W MO.
    Tractor
    820 ,1520,1020 (D) 1020 (G) 1050,4020

    Default Re: GC2410 TACH DRIVE STILL A PROBLEM IN SUB ZERO

    Quote Originally Posted by rjmack View Post
    I appreciate the responses, but I'm done screwing around with the cable, it has already been off, cleaned out, lubed up enough times. The cable seems to spin just fine anyways, it's only when I connect it to the tach head that the problem starts. and that only happens when it has been outside long enough to freeze up.

    I think it is most likely a poor seal or complete lack of a seal somewhere in the tach head/ dash assembly. this is a very common problem with gc2410/gc2610 series tractors. I have let it slide patiently waiting for mf/agco to come up with a fix... evidently the 'fix' involves bs'ing owners into thinking it is just the cable, long enough to get them out the door of the dealership, while mf/agco waits until enough time has passed to declare it an obsolete issue so they don't ever have to fix it. I wish they would just figure it out and make things right.

    far as wd40 goes, I learned 25 years ago that it is a solvent, not a lubricant. it is basically the same as diesel fuel and though it may have some minimal lubrication properties, so does water, and here we are, back at the beginning of the problem again as soon as that water gets taken outside and freezes.
    WD-40 company has also changed the composition, if you recall it was flammable, not anymore ..

  3. #13
    Elite Member
    Join Date
    Oct 2006
    Posts
    3,697
    Location
    Ohio
    Tractor
    GC2310,

    Default Re: GC2410 TACH DRIVE STILL A PROBLEM IN SUB ZERO

    Quote Originally Posted by duke7595 View Post
    WD-40 company has also changed the composition, if you recall it was flammable, not anymore ..
    That was the only thing good about it. It was a great starting fluid.

  4. #14
    Elite Member Don87's Avatar
    Join Date
    May 2010
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    4,226
    Location
    SW Pa.
    Tractor
    Massey Ferguson GC2400

    Default Re: GC2410 TACH DRIVE STILL A PROBLEM IN SUB ZERO

    Quote Originally Posted by rjmack View Post
    I already squirted some 3n1 oil in there, no effect. I guess I could take one of those needle fittings on a grease gun and force some grease in there.




    I don't like digital tachs. Also, (imho) I think the tractor I already own is better than a bx, that's why I bought it. On the other hand, kubota may be a vastly superior company to deal with regarding warranty and support but I have never dealt with them so I just don't know. In the tractor sizes above the gc/bx I would seriously consider Kubota.
    Grease may be too heavy for in there. When it gets real cold, it may stiffen up enough to damage the tach head.

    Try motorcycle chain lube, it worked on mine for a year. Spray the cable, and use the 'straw' to spray up into the tach head.
    Don

    MF GC2400, FEL, 60in.MMM, 5ft. Cultivator, Single Bottom Plow, Bush Hog RTC48 tiller, MF 2360 front mount snowblower, 5ft backblade. BXpanded Piranha toothbar.

  5. #15
    Elite Member
    Join Date
    Oct 2006
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    3,697
    Location
    Ohio
    Tractor
    GC2310,

    Default Re: GC2410 TACH DRIVE STILL A PROBLEM IN SUB ZERO

    Quote Originally Posted by Don87 View Post
    Grease may be too heavy for in there. When it gets real cold, it may stiffen up enough to damage the tach head.

    Try motorcycle chain lube, it worked on mine for a year. Spray the cable, and use the 'straw' to spray up into the tach head.
    Has anyone checked if it's possible to pull the shaft out of the tach cable?

    We had this problem with speedometer cables in the 70's, and we used to pull the shaft out of the jacket, and coat them with graphite.

    Ordinary grease and oil are not going to work in the long haul, or the cold temps.

    You want to use Lubriplate Aero. It's a white lithium grease that is very light, and does not get thick, no matter how cold it gets. The reason, people pay $5 for a 3/8 ounce tube of it, is because it's not like everything else. You might check at a local garage door company for it, they use it a lot in that industry. It won't do much good though, if you can't get it in there.

  6. #16
    Platinum Member cdaigle430's Avatar
    Join Date
    May 2010
    Posts
    843
    Location
    Maine
    Tractor
    MF GC2410

    Default Re: GC2410 TACH DRIVE STILL A PROBLEM IN SUB ZERO

    Just wondering if those who have the same tach problem pressure wash their tractors to clean them off? The first year I owned it I pressure washed it and had the same tac issue as the OP but I ignored it. For other reasons I stopped pressure washing the tractor itself and since then my only issue is the tac is not accurate when its sub zero outside. I also keep mine in a garage but its not heated.
    2010 MF GC2410 TLB, 2006 Husqvarna YTH 2448, 2004 Honda Rincon 650, 2007 Honda Shadow Aero 750, 2006 Jeep Grand Cherokee Limited-Hemi.

  7. #17
    Platinum Member rjmack's Avatar
    Join Date
    Jan 2010
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    599
    Location
    cariboo wagon rd
    Tractor
    GC2410 May 4/10, mf10 (2)

    Default Re: GC2410 TACH DRIVE STILL A PROBLEM IN SUB ZERO

    The dealer I bought the machine off 'repaired' a nasty hydraulic leak (19.6hrs) by pressure washing the machine, and the decals off one side of the loader, it has not seen a pressure washer since. I do hose it off fairly regularly as a heavy layer of dust makes the paint look faded, and frankly, I prefer it to be shiny.

    btw, name of the dealer was Selmac Sales in Stony Plain Alberta. They knew that I was taking the machine 550 miles home directly after they made the repairs so another 20 machine hours after I got it home I had to take it to another dealer 55 miles away to have the same leak 'repaired' again... but that's another story...
    Attached Thumbnails Attached Thumbnails -leak2-jpg  
    Last edited by rjmack; 12-31-2012 at 12:28 PM.
    2009 mf gc2410
    1970 mf10 power wheel barrow
    1968 mf10 riding mower

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  8. #18
    Silver Member
    Join Date
    Dec 2001
    Posts
    149
    Location
    N. Vermont
    Tractor
    JD 110tlb, rtv900.

    Default Re: GC2410 TACH DRIVE STILL A PROBLEM IN SUB ZERO

    I had the same problem today. Dealer said it is moisture in the magnetic coupling between the cable and tack head as you all have said. He recommended detaching the tach. Machine only has 28 hrs. seems like the tach is a good way to keep the engine within breakin parameters..

    I seem to remember a similar howl after mowing for a while in the summer, but no tach pinned max.

  9. #19
    Elite Member Don87's Avatar
    Join Date
    May 2010
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    4,226
    Location
    SW Pa.
    Tractor
    Massey Ferguson GC2400

    Default Re: GC2410 TACH DRIVE STILL A PROBLEM IN SUB ZERO

    Quote Originally Posted by ray66v View Post
    Has anyone checked if it's possible to pull the shaft out of the tach cable?

    We had this problem with speedometer cables in the 70's, and we used to pull the shaft out of the jacket, and coat them with graphite.

    Ordinary grease and oil are not going to work in the long haul, or the cold temps.

    You want to use Lubriplate Aero. It's a white lithium grease that is very light, and does not get thick, no matter how cold it gets. The reason, people pay $5 for a 3/8 ounce tube of it, is because it's not like everything else. You might check at a local garage door company for it, they use it a lot in that industry. It won't do much good though, if you can't get it in there.
    Yes, it will come out, but only from one direction(IIRC).
    Don

    MF GC2400, FEL, 60in.MMM, 5ft. Cultivator, Single Bottom Plow, Bush Hog RTC48 tiller, MF 2360 front mount snowblower, 5ft backblade. BXpanded Piranha toothbar.

  10. #20
    Gold Member
    Join Date
    May 2005
    Posts
    322
    Location
    SE Indiana
    Tractor
    Numerous

    Default Re: GC2410 TACH DRIVE STILL A PROBLEM IN SUB ZERO

    Quote Originally Posted by Gator6x4 View Post
    I would suggest removing the cable, clean the cable of all oil and grease, flush or wash the inside of the cable housing out with brake clean and blow out everything with compressed air. Then lubricate the cable with graphite lubricant. I would suggest wearing rubber gloves when applying. It is black and will stain. You also need to inject some lubricant into the tach head where the cable enters. Check both ends of the cable. Insure they are square. It does not take much to round one of the ends and then a small temperature drop will actually make grease or oil provide enough friction to cause the cable to start slipping.
    Agreed.

    Never lube a tach or speedometer cable with oil, even light oil if you do not live in a temperate climate.

    Always use graphite.

    SDT

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