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Implement Alley Discussion Forum

leaky brush hog gearbox

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chuck t

07-28-2007 21:55:33




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The oil is really coming out the bottom of my 5" 70"s or 80"s Sidewinder. I understand it was a high end produce in it"s day. How tough is the job of removing the gearbox. I don"t have pneumatic tools. Is the seal hard to find? Is it hard to remove/install? I hate to pay someone to fix it, but can I do it with hand tools?




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pair-a-dice farm

07-29-2007 16:43:58




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 Re: leaky brush hog gearbox in reply to chuck t, 07-28-2007 21:55:33  
If you determine that all of the bearings are ok there is a easy way. Take out the fill plug and put in a couple of tubes of grease gun grease. Putting in a new seal and doing it right is way better but it can be quite a job. Before all you perfectionist chime in, I KNOW this will work I have done it a couple of times. If you are going to be running your bush hog more than 2-3 hours at a time it may heat up a little. Buy the way one of the gear boxes I have grease gun grease in is a Vermeer 605 baler that I bale 3-400 bales a year with and it has been used like this for over 5 years.

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paul

07-29-2007 20:58:12




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 Re: leaky brush hog gearbox in reply to pair-a-dice farm, 07-29-2007 16:43:58  
Heck, many specs have been changed to do this - New Holland side rakes for example, ask the dealer & grease is now the offical thing to use. Think they like that JD cornhead spec grease, but regular seems to work too.

--->Paul



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Dave Anderson

07-29-2007 16:15:53




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 Re: leaky brush hog gearbox in reply to chuck t, 07-28-2007 21:55:33  
Probably just some wire or crap or old age got to the seal- drill a hole halfway between the upper and lower bearings, install a grease fitting, and pump it full of John Deere cornhead grease, and the leak will stop.



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johns48jdb

07-29-2007 04:25:43




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 Re: leaky brush hog gearbox in reply to chuck t, 07-28-2007 21:55:33  
the reason the seal gave way may not be as simple as something around it. chances are that a bearing is gone. running it without tearing into it to see may completely ruin the gear box and if it gives up while running i wouldn't want to be around. i don't know if it locked up if it would damage the pto drive train or not, but i wouldn't want to take a chance. a little heat seems to always work on most stuff. once you get a rusty bolt to unlossen tighten it right back up. it breaks the rust loose better and you will come less likely to twist it off. alternate loosening and tighting. another post recently suggested that he always tighten the bolts up a little first and that helped him. i've never tried it but it might be worth keeping in mine. if you have access to a front end loader you might want to turn the thing upside dow to work on it easier until you get the stump jumper off at least. if you get under it to work i'd tie it up to something real strong and with at least two chains on it. working on it with just blocks under it is a no no.

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BCnT

07-28-2007 22:03:36




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 Re: leaky brush hog gearbox in reply to chuck t, 07-28-2007 21:55:33  
the gearbox is easy enuff to work on but getting the stump jumper off is another can of worms...3/4 drive impact minimum

i got a '59 Sabre brand 5' shredder my grandfather bought new...seal got ripped out by a piece of barb wire sometime in the mid 60's and he packed gearbox full of wheel bearing grease...i used it until a few years ago when the deck rusted out for the third time...box is still in good shape and i'm hanging on to it if i ever find a good deck...grease mite be an idea for yours if you decide replacing seal is bigger job than you want to tackle

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