Results 1 to 4 of 4
  1. #1
    New Member
    Join Date
    Jun 2012
    Posts
    7
    Location
    Albuquerque, NM
    Tractor
    John Deere B

    Default JD B Clutch Problem

    I restored a '48 JD B. engine runs well, but can't get the clutch adjusted. I replaced the crankshaft, pulley, and clutch parts with Ok used parts, and used all new clutch facings and drive disk. Set the crankshaft endplay with clutch installed to .008. No matter what I do with tightening the springs, it's so loose that it disengages OK, but slips when in gear or it's so tight that it works fine in gear, but won't completely disengage (drags on engine when I brake the pulley). I've had it apart multiple times checking components, and can't find anything wrong. clutch lever never has the amount of snap that I think is OK. What could be the problem?

  2. #2
    Gold Member Mighty Dodge's Avatar
    Join Date
    Jan 2007
    Posts
    499
    Location
    The Hereford Zone, MD
    Tractor
    JD 4200

    Default Re: JD B Clutch Problem

    Sounds like you've done everything right, I'm not sure why it won't adjust. It doesn't take much tightening or loosening of the castle nuts to adjust the clutch. Are you adjusting them one castellation at a time? Here's a link that may be of some use. Meli's Tips - The Clutch

    Good luck

    John
    2001 JD 4200, 420 loader, HF Quick Hitch, bucket boom, back blade, boom pole, forks, carry-all, moldboard plow, middle buster, receiver hitch, post hole digger.

    My Pics
    http://www.tractorbynet.com/photos/s...0/ppuser/33421

  3. #3
    New Member
    Join Date
    Jun 2012
    Posts
    7
    Location
    Albuquerque, NM
    Tractor
    John Deere B

    Default Re: JD B Clutch Problem

    John:

    Thanks for the response and info. I have the manuals. Tonight I got a tip from Bruce Johnson, the "B expert" listed with 2-cylinder mag. I think it may be that I didn't have the pulley brake set tight enough. Following his advice, and with the tractor shut down, I tightened the bolts until I got a good snap engagement and disengagement, then set the pulley brake to stop the pulley just as soon as the clutch disengaged. According to Bruce, if you have the brake set too loose and have to pull the lever too far back, the clutch can re-engage. I'll see if that fixed it first thing tomorrow.

    Joe

  4. #4
    New Member
    Join Date
    Jun 2012
    Posts
    7
    Location
    Albuquerque, NM
    Tractor
    John Deere B

    Default Re: JD B Clutch Problem

    John (et. al.):

    Setting the pulley brake to stop the clutch fork travel just after disengagement did the trick! It works fine now. My problem was allowing too much fork (lever) travel, and thus allowing the dogs to flip over and re-engage.

    Joe

Similar Threads

  1. Clutch problem
    By Kosmo in forum New Holland Owning/Operating
    Replies: 4
    Last Post: 05-18-2009, 08:32 AM
  2. Clutch problem? Need help
    By Squeak n Itch in forum Owning/Operating
    Replies: 8
    Last Post: 08-09-2008, 11:48 AM
  3. UH OH...CLUTCH PROBLEM????
    By Travis_R in forum Mahindra Owning/Operating
    Replies: 8
    Last Post: 08-09-2006, 08:19 PM
  4. clutch problem with tc 45 da
    By gregNH in forum New Holland Owning/Operating
    Replies: 5
    Last Post: 11-03-2005, 02:48 PM
  5. Clutch Problem
    By kayssupply in forum Yanmar
    Replies: 5
    Last Post: 10-15-2003, 08:22 AM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
© 2014 TractorByNet.com. TractorByNet is a registered trademark of IMC Digital Universe, Inc. Other trademarks on this page are the property of their respective owners.