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 

Minneapolis Moline 602 power steering


 
Post new topic    
View previous topic :: View next topic  
Author Message
sweinert
New User


Joined: 27 Sep 2018
Posts: 18


Report to Moderator

PostPosted: Fri Oct 16, 2020 7:30 pm    Post subject: Minneapolis Moline 602 power steering Reply to specific post Reply with quote

The power steering on my 602 works to the right but not to the left. According to the repair manual, this can be caused by a sticking control valve spool. I have disassembled the control valve, cleaned all the parts, replace all the o-rings, and reassembled it - no change. I could not figure out how to remove the relief valve - I assume it is the gray circle on the 2nd picture. Could this figure in to the problem and if so does anyone have a suggestion how to remove it? Also, the first picture shows a notch in the end of the control valve spool. I couldn't figure out its significance - Does the notch have a purpose and does it need to be positioned in a particular way for the valve to function? Any suggestions and information would be greatly appreciated - (I hope to not always have to turn to the right.)



 
Back to top
View user's profile
ChrisQ
Regular


Joined: 05 Nov 2012
Posts: 367
Location: Jordan, MN

Report to Moderator

PostPosted: Fri Oct 16, 2020 7:54 pm    Post subject: Re: Minneapolis Moline 602 power steering Reply to specific post Reply with quote

The power steering on those is some sort of vodoo magic. Seems they always work one way but not the other. I believe the little pin that controls the spool gets worn. The excessive slop causes the spool to not open and no assist. I think the pin is available new from Agco from what I have been told. Honestly have never had to fix one myself yet.
 
Back to top
View user's profile
MMDEL
Long Time User


Joined: 29 Dec 2007
Posts: 1077


Report to Moderator

PostPosted: Sat Oct 17, 2020 9:14 am    Post subject: Re: Minneapolis Moline 602 power steering Reply to specific post Reply with quote

Go to the subject in this forum " 5 star power steering gaskets" Your valve assy is a little different from 5star, but it adjusts the same way. if you can not adjust according to this procedure You will probably have to replace lever and sleeve.
MMDEL
 
Back to top
View user's profile
sweinert
New User


Joined: 27 Sep 2018
Posts: 18


Report to Moderator

PostPosted: Sat Oct 17, 2020 4:26 pm    Post subject: Re: Minneapolis Moline 602 power steering Reply to specific post Reply with quote

I hate to admit my computer "ineptness", but how do I search for a topic like "5 star power steering gaskets" on this forum?
 
Back to top
View user's profile
ChrisQ
Regular


Joined: 05 Nov 2012
Posts: 367
Location: Jordan, MN

Report to Moderator

PostPosted: Sat Oct 17, 2020 6:40 pm    Post subject: Re: Minneapolis Moline 602 power steering Reply to specific post Reply with quote

It's only about half a page down. Here is the link to it.
https://forums.yesterdaystractors.com/viewtopic.php?t=1456935&sid=44218897ac606f5e4f24aed112b4c83d
 
Back to top
View user's profile
:   
Post new topic    Yesterday's Tractors Forum Index -> Minneapolis Moline All times are GMT - 8 Hours
Page 1 of 1

 
Jump to:  

TRACTOR PARTS TRACTOR MANUALS
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 ]

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