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Re: Re: Re: International 606 hydrolic problems
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Posted by Joe Evans on April 21, 2004 at 11:15:30 from (209.41.233.88):
In Reply to: Re: Re: International 606 hydrolic problems posted by Kris on April 21, 2004 at 09:24:51:
What I mean is this: can you lift a load with the loader? If you can, this indicates the pump is working--it is moving oil and can develop pressure at the point where pressure is needed (the loader). If you can lift a heavy load but not very fast, this can indicate several things. The loader may have very big hydraulic rams that characteristically would have large volumes requiring a lot of oil to be moved for acceptable lifting speeds. I believe your 606 comes with a 12 GPM pump, which is adequate volume for a moderately sized loader. I believe the I-2606 and 460 Utility were equipped with 17 GPM pumps that enhanced loader cycling times. Don't know if this is even possible (someone may weigh in on this speculation), but it could be that a previous owner fit your 606 with a pump smaller than 12 GPM??? I'm assuming that the hydraulic system pump is the standard internal pump and not an add-on typically fitted to the engine crank. If there is loader lift ram piston blow-by, oil will escape to the non-pressured side of the cylinder killing lift speed, but lifting (pounds) capability will suffer, too. Also the loader would not stay up and drift off if this were the case. The lifting ability in pounds (not speed) will tell you a lot. Is the loader controlled by the normal hydraulic control levers? Not familiar with a 606 physical layout, but on a 460 these are located to the right of the dash. Is there an outside chance that some quick-couplings are not coupled properly? Are your loader cylinders one-way or two-way operation? Are there any 'squealing noises' heard when operating the loader? When not operating the loader? Does the tractor seem to labor (low, stalling type RPM) when it's just sitting there running and not operating the loader?
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