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Technical 51 merc clutch adjustment?

Discussion in 'The Hokey Ass Message Board' started by solo_909, Feb 17, 2019.

  1. solo_909
    Joined: Apr 9, 2006
    Posts: 1,786

    solo_909
    Member

    merc clutch question.

    How do I make adjustments? The pedal will go all the way to the floor and return fine but I’m not able switch gears.

    Any help on how to do this would be greatly appreciated.

    Also when installing the cross shaft bar and attaching it to that flat ear piece that comes out of the trans. Do either of those need to be turned any certain way before connect both pieces together?

    Someone had mentioned to me that cross clutch shaft needed to be turned all the way clockwise before connecting the two. Is that true?

    See photos with red circles.


    CA02CF71-CBA9-4823-9435-89BAB618E6E6.jpeg 4CAEACC6-4137-43D7-92AA-F67CAE026BD6.jpeg
     
  2. 19Fordy
    Joined: May 17, 2003
    Posts: 8,056

    19Fordy
    Member

    Do you have these books? Chapter 13 of Vol. 1 tells how to reassemble and adjust clutch equalizer shaft.
     

    Attached Files:

  3. solo_909
    Joined: Apr 9, 2006
    Posts: 1,786

    solo_909
    Member

    Unfortunately I do not.
     
  4. solo_909
    Joined: Apr 9, 2006
    Posts: 1,786

    solo_909
    Member

    Can you snap a photo for me so I can see it please?
     

  5. The photo your showing is 49-50, not 51. The 51 bellhousing had the shaft in it and the Gear box was the first year of 4 bolts to bell. Yes the shaft should be turned clockwise and Clutch pedal raised to top of it's travel. Then Tab slid into Slot and pin placed. Now remove free play with adjustment on rod.
     
    alanp561 likes this.
  6. Next question, Car not running and shifter in N can you push the car by hand? In other words is the Tranny in N when the shifter is in the N position. This is directly related to shift rod adjustment being correct.
     
  7. Sum54ford
    Joined: May 24, 2012
    Posts: 327

    Sum54ford
    Member
    from St. Louis

    Also make sure you don’t have your linkage hooked up backwards. I did that on my Merc by mistake. You shouldn’t have to turn that ear you have circled.
     
  8. I should go look at a Merc case to be sure. I believe there is a short return spring on the throw out bearing like the pre 48 Ford used. That should fully return the shaft to the clockwise direction. Krazzy as it sounds I have seen the disc installed backwards. That locks it to the Flywheel bolts and won't let it free wheel no matter what.
     
  9. Mr48chev
    Joined: Dec 28, 2007
    Posts: 33,983

    Mr48chev
    ALLIANCE MEMBER

    He has the early 49/50 style trans AKA early 51 trans and bellhousing so those photos that 19Fordy posted are the correct ones.
    I had a late 51 with the Ford style trans and true it didn't have that setup.
     
  10. V8 Bob
    Joined: Feb 6, 2007
    Posts: 2,966

    V8 Bob
    ALLIANCE MEMBER

    Some early '51 Mercs used carry-over '49-'50 1/2 bells and round pattern trannys, like pictured. The clutch linkage would be the same or similar for regular production '51s with the full cast bell and 4-bolt tranny.
    The '49-'50/early '51s used a large T/O bearing with a return spring, while the later '51 T/O bearing did not use a return spring.
     
  11. 19Fordy
    Joined: May 17, 2003
    Posts: 8,056

    19Fordy
    Member

    Solo, Check your conversations. i sent you all the info.
     
  12. Alaska Jim
    Joined: Dec 1, 2012
    Posts: 319

    Alaska Jim
    Member

    The early 51 Mercs have that set -up. I have an unmolested 51 , and it is like that.
     

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