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How can I get a hydraulic connection

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Nick at the JG

07-12-2001 08:28:59




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What is the best way for me to get a hydraulic connection to the back of my Case 450...I want to pull a massive new ground harrow...this harrow uses a hydraulic cylinder to control the set in the discs...but my 450 does not have anything to hook it up to. I can easily give up the ripper when I'm pulling the harrow...is there any way to put the ripper up, pin it and lock it, then switch its control over to setting my harrow? Or is there a simpler solution?

Thanks in advance for any help...Nick

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ferrell freeman

07-14-2001 04:29:27




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 Re: How can I get a hydraulic connection in reply to Nick at the JG, 07-12-2001 08:28:59  
My experince in pulling harrows or bedding plows with something like aripper behind it tends to get me hung up or stuck .I, would remove the ripper .Then add a set hyd. quick couplers if not all ready there . One other thing even though the 450 is designed for pushing ,if you have a suction fan that can be revirsed to blower will help keep radiator and coolers workng better. I,have also seen the trans and hyd. problems but most of this was caused not using the hyd. oils.

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Fulton

07-13-2001 13:43:34




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 Re: How can I get a hydraulic connection in reply to Nick at the JG, 07-12-2001 08:28:59  
I use a solinoid switched valve control setup on my IH 1486. When the switch is one position, I can control the ripper - so I just lift the ripper, switch the solinoid valve to the other connection and now I can use the lift control on the discs. I don't recall how much this nifty little kit was. Good Luck, but you might consider the advice from the first followup.



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Max

07-12-2001 19:27:15




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 Re: How can I get a hydraulic connection in reply to Nick at the JG, 07-12-2001 08:28:59  
I would go out and buy a wheeled tractor to pull that disk. I had seen and repaired a few Case Crawler trans due to overheating. Beyond all popular belief, the Case crawler was designed to push, not pull. Therefore the torque convertor will heat up the trans oil so quick that it will fry the speed or direction clutches. Sorry to sound negative, just trying to save you a few bucks and headaches from a transmission overhaul.

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FRED

07-12-2001 18:24:31




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 Re: How can I get a hydraulic connection in reply to Nick at the JG, 07-12-2001 08:28:59  
Tee a diverter valve into the ripper lines. Raise the ripper, pull the diverter valve. It will lock your ripper up,and you will have hyd. for your tooling. FRED



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marlowe

07-12-2001 17:24:06




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 Re: How can I get a hydraulic connection in reply to Nick at the JG, 07-12-2001 08:28:59  
i just chain ripper up and use the lines to the ripper to run a remote ram i just used quick couplers like on a tractor to change the hoses from ripper ram to remote ram hope this helps it s a lot easier to do then write out



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marlowe

07-12-2001 17:23:32




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 Re: How can I get a hydraulic connection in reply to Nick at the JG, 07-12-2001 08:28:59  
i just chain ripper up and use the lines to the ripper to run a remote ram i just used quick couplers like on a tractor to change the hoses from ripper ram to remote ram hope this helps it s a lot easier to do then write out



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ROD WILSON

07-17-2001 15:36:13




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 Re: Re: How can I get a hydraulic connection in reply to marlowe, 07-12-2001 17:23:32  
TO BE SAFE, YOU NEED TO LOCK (WITH CHAIN OR PIN)THE RIPPER UP, IN CASE THE CYLINDER ON THE RIPPER HAS SOME BYPASS FROM ONE SIDE OF THE RAM TO THE OTHER. YOU WILL MORE THAN LIKELY HAVE TO INSTALL SOME ISO DISCONNECTS TO SWITCH FROM RIPPER TO PULL TYPE IMPLEMENT. IF THE RIPPER GETS IN THE WAY JUST DROP IT OFF AT THE HINGE, AND CYLINDER PINS. I HATE TO DISAGREE WITH ONE OF THE OTHER GENTLEMEN BUT THE DOZER DOES NOT KNOW WHETHER IT IS PUSHING OR PULLING. IF CASE DID NOT WANT YOU TO PULL WITH THIS DOZER THEY WOULD NOT HAVE PUT A RIPPER AND A DRAWBAR ON THE MACHINE. AS LONG AS YOU KEEP AN EYE ON CONVERTER PRESSURE AND TEMPERATURE, PULLING IS KNOW WORSE THAN PUSHING. HAVE FUN.

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Max

07-17-2001 21:32:04




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 Re: Re: Re: How can I get a hydraulic connection in reply to ROD WILSON, 07-17-2001 15:36:13  
Sorry Rod, but it is true about the Case crawlers and the units can tell the difference which is due to the constant load created by the disk over a longer distance in fwd gear where the front blade and ripper are used for short distances with quick cyle times in fwd and rev. Good point about watching the convertor temp guage but I never trusted those guages that well(late models had delco where the early models had S&W, a better guage in my opinion). In the future postings, I'll be more selective with the facts that I release about Case equipment, I didn't realize some people would take it the wrong way. One good fact though is that the 450 transmission is basically the same as the 850 and when rebuilding, it was advised to use the 850 specs, it made for a stronger trans even though in my opinion the 450 didn't need it for I rebuilt more 850 and 1450 transmissions than 450 and 1150. Good luck and happy dozing.

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steamingd

07-18-2001 18:24:11




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 Re: Re: Re: Re: How can I get a hydraulic connection in reply to Max, 07-17-2001 21:32:04  
Max,

Sounds like you have been inside the case on a few Case trannys. I have a 800 dozer, what is you opinion on the trans in the 800? Mine works very good now, with a quick respone when shifting directions and hi/lo with the clutches. I don't have a temp gauge for the trans, but did pull an 8 bottom plow with it with 4 rounds at about 1/2 mile down per round with 5 to ten minutes in between rounds. Never noticed any hot oil smell, but it was a concern of mine that I might be getting things warmed up pretty well. 8 bottoms was a pretty good load. No slipping to speak of, but stayed in 1st gear. It pulled 6 bottoms in second gear fairly easy. I was at a fellows place shortly after getting the 800 running, and it looked to me that some if not a great many of the 1150 parts would swap out for the 800 parts. The trans and final cases looked very similar.

Let me know what you think,
steamingd

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Max

07-18-2001 20:41:39




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 Re: Re: Re: Re: Re: How can I get a hydraulic connection in reply to steamingd, 07-18-2001 18:24:11  
I never had the opportunity to work on an 800, but did check over a 1000 once for the sales dept where I was at. The 1000 looked like the 1150/1450 style of trans but had the mechanical low high range and dry disc brakes like the early 450/850 trans. If you were able to pull the 8 bottom plow without any noticeable heat, it could have been cool out for these transmissions were designed to run at 100 degreesF over ambient, and in the summer time that could get close to the break down point of most hydraulic oils which vary between 225-275. As far as the parts interchange goes, I never really got into the parts swap, I would just go up to the parts manager with a list taken from the manual and he got me the parts. Then I would be a pain in the fanny perpendicular to the area Service rep and Service engineer because the replacement parts always leaked more oil than the service manual allowed when doing the hand pump test on the high/low range clutch packs. If I remember correctly, it was 8 oz at 300 psi for 1 min using the high pressure hand pump. Needless to say, when those transmissions went back together the operator needed to use the seatbelt when shifting from fwd to rev. Good luck, happy to hear you like you 800.

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