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Stuck blade pivot on Rhino rear blade

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Chuck, WA

03-16-2003 14:08:16




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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 TOOL TALK as well.

Thanks!

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farmerbill

03-17-2003 17:16:44




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 Re: Stuck blade pivot on Rhino rear blade in reply to Chuck, WA, 03-16-2003 14:08:16  
had a model 900 rhino blade do that and after I got the nut off of the top the slight movement you are talking about let the whole moldboard fall right off and I was able to clean it up and put never sieze on it and it has worked fine ever since. Only used a torch to warm up the nut a little.



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Chuck, WA

03-17-2003 20:46:27




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 Re: Re: Stuck blade pivot on Rhino rear blade in reply to farmerbill, 03-17-2003 17:16:44  
FarmerBill...must have been a different model. This one doesn't have a nut - has a 2" shaft, with a heavy washer on that and a cotter pin holding the washer on. The blade can't drop out unless turned at right angles to the normal crosswise direction due to a heavy plate welded to the bottom of the square main structure tube. That plate leaves a gap between itself and the square tube, and a plate attached to the blade pivot shaft is sandwiched in that gap - prevents it dropping.

There is a nut at the front end of the square tubular structure in the vertical shaft that is the pivot to swing the whole blade off to the side, and another that loosens to let the blade tilt side to side. But the stuck part is a 2" shaft with cotter pin and heavy washer.

Thanks for the reply.

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JMS/MN

03-16-2003 19:14:24




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 Re: Stuck blade pivot on Rhino rear blade in reply to Chuck, WA, 03-16-2003 14:08:16  
Heating torch time!



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Chuck, WA

03-17-2003 06:30:49




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 Re: Re: Stuck blade pivot on Rhino rear blade in reply to JMS/MN, 03-16-2003 19:14:24  
JMS...thanks! Yup...others have suggested the same, but I wanted to try otherwise first. I don't have an acetylene torch, just a Bernzomatic propane for light stuff, and the part is massive, so not sure I can heat enough, but I suppose it is time to try that.



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JMS/MN

03-17-2003 21:27:34




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 Re: Re: Re: Stuck blade pivot on Rhino rear blade in reply to Chuck, WA, 03-17-2003 06:30:49  
Don't waste the propane! Keep it for soldering wires on your next radio project.- If you can't loosen the pivot with fluid, it is torch time! If you don't have your own, hopefully you can buddy up with someone who does, maybe trade his tools for some of yours that he needs. As one of my six kids used to say- "That's cooperation!". Good way to meet the neighbors too.! (hopefully, one with a torch).

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Chuck, WA

03-18-2003 07:40:32




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 Re: Re: Re: Re: Stuck blade pivot on Rhino rear blade in reply to JMS/MN, 03-17-2003 21:27:34  
JMS...yup! Got it lined up in case the fluid and force doesn't get it. New suggestion from a friend called BreakFree - apparently available from gun dealers and used by folks who restore old guns. He claims it's the best...we'll see.

Thanks!



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Robert in W. Mi

03-18-2003 10:53:36




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 Re: Re: Re: Re: Re: Stuck blade pivot on Rhino rear blade in reply to Chuck, WA, 03-18-2003 07:40:32  
I've used gallons of Break Free over the years, and it's really good stuff. I think it should be used more for a lube than a penitrent though. It does clean, but i still think Blaster is better for your purpose. You are useing Liquid Wrench, wich is good, but some say Blaster is better. I buy Blaster at NAPA. Krioil (sp?) i guess is the best yet, but the price will break you on that stuff!! I have a little of that too. Our military uses 55 gallon drums of Break Free in their armory to clean and lube their weapons ect.. When i had my gun shop it's all i used for cleaning and lubeing every gun that came through the door. It's the only thing i'll use on my personal guns too. Robert

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Chuck, WA

03-19-2003 06:12:45




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 Re: Re: Re: Re: Re: Re: Stuck blade pivot on Rhino rear blade in reply to Robert in W. Mi, 03-18-2003 10:53:36  
Robert...got a can of BreakFree last night and started soaking. Couldn't find Kroil locally, but may buy some online. NAPA had so many different ones, and I couldn't remember which it was you suggested when I was there, so didn't buy any. If BreakFree doesn't do it, will get Blaster from NAPA, or Kroil online.

Thanks!



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