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JD 503 BUSHHOG LEAKY SEAL

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Gino

10-07-2000 10:13:20




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Hello, Can anybody tell me how to replace the gearbox seal in a John Deere 503 bushhog. It is the seal where the tractor PTO driveline enter's the gearbox. Can I replace without taking the gearbox apart. Any information will help, Thank you, Gino




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Joe M

10-10-2000 20:13:37




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 Re: JD 503 BUSHHOG LEAKY SEAL in reply to Gino, 10-07-2000 10:13:20  
Gino, two diferent gearboxes, Iberica & Comer were used on the 503 both used external installed seals top and bottom. Let me know if you need parts numbers
The Comer is a rounded top, and the Iberica has a 4 bolt plate on top



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Tom Braid

10-07-2000 16:24:49




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 Re: JD 503 BUSHHOG LEAKY SEAL in reply to Gino, 10-07-2000 10:13:20  
You can pull the seal with a screw type seal type
puller on most 90 degree gear boxes. This would require the removal of anything attached to the input shaft. Don't worry a whole bunch about this leak as it only leaks when the box is too full. Check the level plug on the side of the box. The gear box can leak lots of lubricant without any harm if you just peroidacally ck the level. Do not not let the lubricant get so low as the gears cannot sling the lubricant arround the remaider of the gears and bearings. How much do you use the Brush Hog? How much does it leak? Are you a neat freak or a average semi-slob like myself?

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