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Stuck pivot on Rhino rear blade

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Chuck, WA

03-16-2003 14:09:07




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I just bought a used Rhino rear blade. It has a big (3-4" high) LR on it, but I don't have a model number unless that means something. The blade is stuck in the rearward facing position. I most often use it in the forward position.

I've pulled the cotter pin in the top end of the blade rotating shaft, soaked it in Liquid Wrench and WD-40, smacked it with a sledge (top of pin downwards and both sides of the blade side-ways), put a comealong from the outside edge of the blade to the 3-pt frame and pulled, taken out the grease zirk and clenaed the hole and flooded with liquid wrench, and so far have only been able to move it maybe 1/4-1/2" in each direction from center. I did a little blade work with the locking pin out thinking the jarring might move it back and forth and get it loostened up - so far, still pretty well stuck.

Ideas?

I'm cross posting to Implements as well.

Thanks!

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Slowpoke

03-19-2003 00:15:10




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 Re: Stuck pivot on Rhino rear blade in reply to Chuck, WA, 03-16-2003 14:09:07  
Hope you got it at a good price for all the work you're doing to get it useable. A nice one went at auction for, if I can remember, $400-$450, Central Ca.



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Chuck, WA

03-19-2003 06:08:59




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 Re: Re: Stuck pivot on Rhino rear blade in reply to Slowpoke, 03-19-2003 00:15:10  
SlowPoke...$215 - trade labor for $$$ is OK. Grew up when "sweat equity" was a lot more common than it is today.



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Chuck, WA

03-17-2003 20:37:34




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 Re: Stuck pivot on Rhino rear blade in reply to Chuck, WA, 03-16-2003 14:09:07  
Howard, thurlow and paul...thanks for your responses. I am sure there is not a mechanical stop since I am able to move it maybe a 1/4" to 1/2" on either side of center. I haven't tried heat, yet, but am getting close. Somebody suggested something called Breakaway or something like that. Gun restorers use it on old, rusted and otherwise corroded and stuck gun parts. Thought I'd get some and try it along with working it. If none of that works, guess it will be the torch! Thanks again.

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Howard H.

03-17-2003 12:36:29




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 Re: Stuck pivot on Rhino rear blade in reply to Chuck, WA, 03-16-2003 14:09:07  
Hi,

I've got a Rhino blade, too, but I don't think mine has ever been as stuck as yours...

If you are sure the mechanical stop is truly out of the way, I would just back up with it so that the outside edge of the blade goes into a tree stump or something solid.

Just do it easy (and maybe back and forth a little bit) and it is bound to break it loose without tearing anything up...


Good luck,
Howard H.

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thurlow

03-17-2003 10:01:43




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 Re: Stuck pivot on Rhino rear blade in reply to Chuck, WA, 03-16-2003 14:09:07  
Chuck; I'm not familiar with Rhino blades, though I've used 2 or 3 other brands, but..... .really sounds to me like you've got a mechanical "stop" of some kind that keeps it from moving. Hasn't dropped out of a "track" or something similar, has it????



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Robert in W. Mi

03-16-2003 15:43:34




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 Re: Stuck pivot on Rhino rear blade in reply to Chuck, WA, 03-16-2003 14:09:07  
You are on the right track, unless you want to use heat?? Heat will speed things up, but will also ruin any paint in the area. I'd keep flooding it with liquid wrench and moveing it back and forth untill you get it, it may take some time though. You can take a porta power, thread the hose into the grease zerk hole and force fluid into the joint while you move it. A porta power has a lot more power than a grease gun, and the fluid is a lot thinner. Robert

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Chuck, WA

03-17-2003 06:28:02




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 Re: Re: Stuck pivot on Rhino rear blade in reply to Robert in W. Mi, 03-16-2003 15:43:34  
Robert...thanks! Others have suggested heat, but I haven't tried that yet. I don't have an acetylene torch, just propane, and the part is massive, so not sure I can heat it enough to really make a difference. I'm not concerned about paint.

Will continue as I've been doing.



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paul

03-17-2003 13:08:58




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 Re: Re: Re: Stuck pivot on Rhino rear blade in reply to Chuck, WA, 03-17-2003 06:28:02  
As long as you got a little wiggle, don't use heat now. Keep doing what you are doing, and lots of p-oil.

--->Paul



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