Yesterday's Tractor Co.
Shop Now View Cart
   Allis Chalmers Case Farmall IH Ford 9N,2N,8N Ford
   Ferguson John Deere Massey Ferguson Minn. Moline Oliver
 FAQFAQ   SearchSearch   MemberlistMemberlist   UsergroupsUsergroups   Traditional YT Forum ViewClassic View   RegisterRegister 
 ProfileProfile    Log inLog in 

HELP----656 Hyd Problems


 
Post new topic    
View previous topic :: View next topic  
Author Message
Wayne from Iowa
Regular


Joined: 15 Jul 2004
Posts: 20


Report to Moderator

PostPosted: Fri Aug 31, 2007 5:17 am    Post subject: HELP----656 Hyd Problems Reply to specific post Reply with quote

My 656 gear tractor Hyd. squeals like the by-pass valve is stuck or it is starving for oil. I have changed the hy-tran and new hyd filter and did not help. Yesterday mowing hay I almost lost steering and the fast hitch would hardly go up or down. Any help would really be appreciated to fix this. Thanks
 
Back to top
View user's profile
Janicholson
Tractor Guru


Joined: 30 Jan 2004
Posts: 30764
Location: St. Cloud, MN

Report to Moderator

PostPosted: Fri Aug 31, 2007 4:01 pm    Post subject: Re: HELP----656 Hyd Problems Reply to specific post Reply with quote

If one of the valves is misadjusted so that it is not in neutral, it will act like a lever is just moved a bit, and it will overheat the system, and bog the engine down some. A stuck relief valve is also possible. caseih.com has parts diagrams on line. JimN
 
Back to top
View user's profile
Chuck's Repair
Guest






Report to Moderator

PostPosted: Fri Aug 31, 2007 6:25 pm    Post subject: Re: HELP----656 Hyd Problems Reply to specific post Reply with quote

There is a return hose that dumps Hy-tran back into the suction tube in the final drive housing.If that has a hole in it air can inter the system and cause the squeeling and loss of pressure.Take the upper link plate off and visually check that hose.
 
Back to top
GD720D
Regular


Joined: 04 Jan 2007
Posts: 25


Report to Moderator

PostPosted: Sat Sep 01, 2007 10:05 am    Post subject: Re: HELP----656 Hyd Problems Reply to specific post Reply with quote

Chuck is right about the rubber hose on the suction line.But the steel pipe on the uppper end of the rubber hose has been know to crack where it is welded into the mounting plate above the ring gear. If the hose is in good shape take a mirror and light and check real close where the pipe goes into the plate for a crack. Also the 656 has had the mounting bracket on the big suction tube break off. The bracket is welded to the pipe and is bolted to the pinion bearing retainer. Grap the end of the suction tube and try to move it back and forth. I if it moves the weld is broke and the tube has slid back coming out of the o-ring that seals it between the trans housing and the T.A. housing. Would have to split tractor and remove rear deck lid to repair. Can add about 5 gallons of oil and runb tractor. If noise quits chances are that the weld has broken and is sucking air around the o-ring.
 
Back to top
View user's profile
:   
Post new topic    Yesterday's Tractors Forum Index -> Farmall & International Harvester (IHC) All times are GMT - 8 Hours
Page 1 of 1

 
Jump to:  

TRACTOR PARTS TRACTOR MANUALS
Fast Shipping!  Most of our stocked parts ship within 24 hours (M-Th). We have the parts you need to repair your tractor - the right parts. Our fast shipping, low prices and years of research make us your best choice when you need parts. Shop Online Today. [ About Us ]

YT Home  |  Forums

Modern View Forum powered by phpBB © 2001, 2005 phpBB Group

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 Headquarters