|
Tractor Talk Discussion Board |
Re: Re: Hydraulic Question.
[ View Follow Ups ] [ Post Followup ] [ Return to Forum ]
Posted by RIckB--- correcting Mike on June 26, 2002 at 14:26:40 from (205.231.28.60):
In Reply to: Re: Hydraulic Question. posted by Mike (WA) on June 26, 2002 at 08:14:31:
> Any open-center valve is a "power-beyond" valve, < That is another guy posting info about which he knows little or nothing. Plumbing the loader valve as you instruct will subject the return ports and galleys of the valve to pressures up to relief pressure, depending on the load on the hitch. Not a good idea. Power beyond valves use 3 connections; in (from pump or relief valve); out (return from work ports to reservoir); and power beyond (to another function). Some valves are convertible to power beyond, many are not. Certain Gresen valves will blow the spool seals almost instantly when the return is pressurized much at all, as many Arps backhoe owners have learned.
Follow Ups:
Home
| Forums
Today's Featured Article -
Tractor Profile: Farmall M - by Staff. H so that mountable implements were interchaneable. The Farmall M was most popular with large-acreage row-crop farmers. It was powered by either a high-compression gas engine or a distillate version with lower compression. Options included the Lift-All hydraulic system, a belt pulley, PTO, rubber tires, starter, lights and a swinging drawbar. It could be ordered in the high-crop, wide-front or tricycle configurations. The high-crop version was called a Model MV.
... [Read Article]
Latest Ad:
1964 I-H 140 tractor with cultivators and sidedresser. Starts and runs good. Asking 2650. CALL RON AT 502-319-1952
[More Ads]
Copyright © 1997-2024 Yesterday's Tractor Co.
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. Yesterday's Tractors - Antique Tractor HeadquartersWebsite Accessibility Policy |
|
