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Implement Alley Discussion Forum

ROTARY CUTTER BEARINGS/SEAL

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DAVE (CO)

05-02-2005 11:12:33




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I have an older un-named rotary cutter (bush hog), and the seal/bearing has failed. I can't keep 90 wt oil in it very long. (Will empty out overnight). I'd like to replace the leaking part, but am unsure of how to go about it. Do I need to take the entire housing apart, then dismantle the "differential" to get to it, or not? Where is the seal at that I need to change?
Thanks in advance.




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Simple Solution

05-03-2005 10:35:46




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 Re: ROTARY CUTTER BEARINGS/SEAL in reply to DAVE (CO), 05-02-2005 11:12:33  
Just think about it.



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Pump Gear box full with g

05-02-2005 15:08:40




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 Re: ROTARY CUTTER BEARINGS/SEAL in reply to DAVE (CO), 05-02-2005 11:12:33  
Use you head here



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RickB

05-02-2005 14:28:19




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 Re: ROTARY CUTTER BEARINGS/SEAL in reply to DAVE (CO), 05-02-2005 11:12:33  
Typically, you remove the stump jumper/ blade bar. Then either remove the gearbox from the cutter or just go in from the bottom and replace the seal. If you have a bad bearing(s), further disassembly is needed.



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DAVE (CO)

05-02-2005 15:25:07




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 Re: ROTARY CUTTER BEARINGS/SEAL in reply to RickB, 05-02-2005 14:28:19  
Rick,
Thanks for responding with something helpful. Packing it full of grease like some NO-NAME responded is about as practical as filling your engine with grease. It"s got to be thin enough to actually lube something.



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Sid

05-02-2005 21:03:30




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 Re: ROTARY CUTTER BEARINGS/SEAL in reply to DAVE (CO), 05-02-2005 15:25:07  
As Rick said it is an option to try, I ain't gonna say it never works. But as far as my efforts with my Bush Hog I don't think I am gonna bother with it next time. However it has helped me buy a little time a few times in other situations such as seals on horizontal shafts that do not spin quite as fast.



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txgrn

05-03-2005 05:57:44




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 Re: ROTARY CUTTER BEARINGS/SEAL in reply to Sid, 05-02-2005 21:03:30  
Might also try Lubriplate #105. It has a consistency about half way between 140 wt oil and grease. Will splash better in the box and insure better lube. Grease tends to pack and leave rotating things rotating adjacent to where it's packed....after it's been in for awhile....Like the inside of the cap on your front wheel bearings.

Mark



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RickB

05-02-2005 17:48:16




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 Re: ROTARY CUTTER BEARINGS/SEAL in reply to DAVE (CO), 05-02-2005 15:25:07  
Actually, packing with grease is an option to try.



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