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Crawlers, Dozers, Loaders & Backhoes Discussion Forum

IH 150 loader hydraulic line blowout: how to fix??

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Sean

01-19-2004 15:14:46

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Hi, I've been using my '69 IH 150 loader (same as TD9B with Drott bucket) for logging with really good success for the last coupla days. Unfortunately at the end of this days work, me and my brother were lifting a big 'ole oak tree and shortly after the loader arms were sinking down on their own....then we noticed some oil coming out from under the loader. We quickly backed the loader up as close to the entrance to the property as we could get it before it got stuck because the bucket was down and held it up. Otherwise the loader seems to run fine. All of the hydraulic lines have been replaced on the loader with the exception of the ones on the main lift cylinders (which appear to be original). After looking at them as best we could in the dusk hours (kinda getting dark) it looks like one of the lines on the right cylinder is cracked. It certainly appears as if this is the culprit. I've never replaced hydraulic lines, but I assume it's pretty simple? Just unbolt the old ones, take them to a hyd shop and have them fabricate new ones? And then after reinstallation is there anything else I have to do? Special bleeding procedures etc? And I assume that all of my oil has been pumped out? If so, any special considerations or do I just add more oil? Lastly, my manual is very vague about the hydraulic system. It says in the manual for oil requirements: "Use a good grade of motor oil that contains an anti foaming agent, or a hydraulic oil, with a minimum viscosity index of 90 or IH Hy-Tran." The guy I bought it from says that it uses 30W oil for everything; the transmission, engine and hydraulic system. Kinda confused here, anyone know whats best to put into it? Thanks in advance, Sean

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goofus fr L.A.

01-19-2004 15:56:19

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Re: IH 150 loader hydraulic line blowout: how to f in reply to Sean, 01-19-2004 15:14:46

All you have to do is replace the hose and oil lost. Ether oil mentioned will be fine. My friend just down the road only uses 30w. You may need some off set open end wrenches. Probably 1 1/4 to 1 3/4. If nessary you can use a hammer and punch, or cold chisel to break them loose. goof If you enjoyed this post, Help support this website by becoming a [Voluntary Subscriber]only $8.00 just click on the link at the bottom of the page. Yours truly, goofus fr LA (lower Al. down home)

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Sean

01-20-2004 16:19:58

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Re: Re: IH 150 loader hydraulic line blowout: how in reply to goofus fr L.A., 01-19-2004 15:56:19

Thanks goofus for your help. Me and brother removed the old lines today, kinda hard to get to (@#$%!!), but we got them off. Then took them to the hydraulic shop and they made me a new set of two for both sides (4 total). He charged me $77 per line which came to about $325.00. That sorta hurt...is that a fair price for lines? Just wonderin' if the guy gave me a fair deal. And the cheapest oil I could find that I thought was appropriate was 10-30W motor oil I bought at Advance auto parts. They had it for $3.65 gallon, which works out to less than $20 for 5 gallons...so I thought that was reasonable. We already have one side installed, again kind of a pain. One trick that helped though, was to take the box end of the 1 3/8" wrench and "thread the needle" with the unattached end of the line and then scoot the wrench all the way up the fitting which needed to be tightened (which otherwise was inaccessable with the open end). We got both lines cinched up this way pretty quickly and easily, so if you don't already know this trick and you're dealing with a really tight space, give it a shot. Also after breaking the old line loose, it was a alot easier to spin the unattached end like a driveshaft to loosen/remove the end hidden/inaccessable under the tractor. Worked like a charm. Anyway, now we only have the left side to do, afterwhich we're going to add oil and see what happens. But I read my manual, and although it says very little about the hydraulic system it does say you should do this after removing/installing the hydraulic pump: "The hydraulic system must be filled and vented as described in the pertinent operator's or instruction manual." But the operators manual doesn't indicate any directions for "venting" the system. Anyone know if there is some special procedure, or do you simply exercise the rams until it burps itself out?? Thanks again for all the help, Sean

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goofus fr L.A.

02-08-2004 12:28:43

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Re: Re: Re: IH 150 loader hydraulic line blowout: in reply to Sean, 01-20-2004 16:19:58

Sean, those hyd lines look easy until you attack one head on, and find out its just laying in ambush, then if you don't skin your hands real bad you are doing great. Off set end wrenches are a must if you do very many. I reccomend Mac Tools. Those are very high pressure hoses so the price of them are about in line with what I've had to pay lately. Hoses have about doubled in price in the last year. I am always shopping for lower prices, and as of late I have found some bargains at the local Cat. dealer, on paint, nuts, bolts, and reuseable hyd. hose fittings. You can save a lot if you already have the fittings. Yours truly, goof

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Jamie/Ontario/1010c

01-20-2004 19:04:23

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Re: Re: Re: IH 150 loader hydraulic line blowout: in reply to Sean, 01-20-2004 16:19:58

Sean....what I have done in the past is, slightly overfill the oil tank, and run the machine for about 15-20 seconds. Shut it down and wait for 30 seconds or so and check the oil level. Continue with this and in 5 minutes or so you should be full and ready to go. I have had to do this a couple of times when I have blown a hose on the backhoe attachment. Good Luck Jamie/Ontario/1010c p.s what diameter hose did you buy and how long are they ?

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Sean

01-21-2004 07:54:30

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Re: Re: Re: Re: IH 150 loader hydraulic line blowo in reply to Jamie/Ontario/1010c, 01-20-2004 19:04:23

Thanks Jamie, I'll do as you say today. I bought 4 approx 3 foot lengths 3/4" diameter tubing with threaded metal couplers on both sides. waddya think? R/Sean

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