Posted by D Slater on September 20, 2014 at 14:27:43 from (184.14.168.53):
Picture 3 red marked pins. that lever moves when operating rod moves. Center pin pivot. Rear pin moves piston to close off bypass for pump pressure or open to sump. front pin moves the lever that lets unit out let pipe pressure back to sump. Notice 2 pins with yellow marks in front. One pin releases the check ball for the lt. rear opening and the other one releases the lt. front and right openings. Notice lever is made so one pin is pushed before the other. Hard to feel when operating with out a load on the check balls or a worn unit. Picture of pump unit, oil comes in at the squared part and pressure out to the channel and over to the two silver balls. If the operating lever is pulled back pressure pushes the spring loaded balls in so pressure goes to the outlet ports. These are the same balls the pins push in to let oil back to the sump from the outlets. Ball with red mark near it goes to left front and right outlets. Yellow to left rear outlet. Since both balls see the same pressure from the pump all the outlets have the same pressure. Unless a delay lift valve is used or when lift cylinders are used on a outlet and they are a different size or lifting a different load. Then the cylinder that needs the least pressure to lift will go to the end of travel before the next one lifts. If a gauge were put in all three blocked outlets on the unit and it was set to pump all would see the same pressure almost instantly. Tried to make this short as I could so it may not be explained good enough, questions ask.
We sell tractor parts! We have the parts you need to repair your tractor - the right parts. Our low prices and years of research make us your best choice when you need parts. Shop Online Today. [ About Us ]
Today's Featured Article - A Belt Pulley? Really Doing Something? - by Chris Pratt. Belt Pulleys! Most of us conjure up a picture of a massive thresher with a wide belt lazily arching to a tractor 35 feet away throwing a cloud of dust, straw and grain, and while nostalgic, not too practical a method of using our tractors. While this may have been the bread and butter of the belt work in the past (since this is what made the money on many farms), the smaller tasks may have been and still can be its real claim to fame. The thresher would bring in the harvest (and income) once a y
... [Read Article]
Latest Ad:
1979 I-H 140 tractor with cultivators.Starts and runs good. Asking 5750.. CALL RON AT 502-319-1952
[More Ads]
All Rights Reserved. Reproduction of any part of this website, including design and content, without written permission is strictly prohibited. Trade Marks and Trade Names contained and used in this Website are those of others, and are used in this Website in a descriptive sense to refer to the products of others. Use of this Web site constitutes acceptance of our User Agreement and Privacy Policy
TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. John Deere and its logos are the registered trademarks of the John Deere Corporation. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V.
