[DeTomaso] Techno question:Clutch&Slave II

[SOBill at aol.com]

Chuck,
 
Is the release arm in the right place?
 
Here's how to tell. Remove the lever return spring. Move the  release arm 
until you fell the throwout bearing come to stop against  the pressure plate 
release fingers. The release arm should be forward  of straight up so that it will 
go thru straight up when the clutch is being  released. If the release arm is 
not forward of straight up, mark the release arm  and the shaft with a 
position reference line, remove the arm from the  shaft, rotate the arm one spline 
forward, and reinstall the arm. The  purpose of this positioning of the release 
arm is to ensure that the slave  cylinder movement moves the release arm thru 
the maximum distance when the  clutch pedal is pressed.
 
Next set the freeplay between the throwout bearing and the  clutch release 
fingers and set the stop bolt.
 
Next adjust the rod into the slave cylinder.
 
Then rehook the spring.
 
Depending on which ZF you have, they require different clutch  friction discs 
because they have different input shafts.
 
The -1 ZFs have a 1 1/8 inch diameter shaft with 10  splines.
 
The -2 ZFs have a 1 1/16 inch diameter shaft with 10  splines.
 
These shaft and spline differences are small, but could become  important 
when things are cold or hot.
 
In addition, the clutch friction discs should have the Marcel  springs (those 
wavy things) between the friction pads and the center metal disc  of the 
friction plate removed. This makes the clutch disc thinner and is what  DeTomaso 
did at the factory. Depending on what type of pressure plate you have,  you may 
be able to visually verify the status of the Marcels.
 
Have fun,
 
SOBill  Taylor
sobill at aol.com



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