TM   10-3930-643-20 BRAKE TROUBLESHOOTING AND MAINTENANCE. 8 - 4. Parking   Brake   Linkage.   (Sheet   1   of   4) This   task   covers: a . Removal b . Cleaning/Inspection c . I n s t a l l a t i on d. Adjustment INITIAL  SETUP Tools Shop   Equipment,   Automotive Materials/Parts Cleaning   solvent   P-D-680 Maintenance   and   Repair: (App.   C,   Item   2) Organizational    Maintenance, Clean   cloth   (App.   C,   Item   10) Common  No.  1,  Less  Power Cotter   pin   (2) NSN    4910-00-754-0654 Wood  block  (4) Torques Except   for   special   torques   shown, all   fasteners   are   tightened   to   a standard   torque. Refer   to Appendix  E. REMOVAL WARNING Make   sure   that   vehicle   will   not r o l l    o r    s h i f t. Secure   with   wood blocks   . DEATH or   serious   injury   may   result   by y o u r    f a i l u r e    t o    f o l l o w    t h i s procedure. NOTE Place   parking   brake   control   knob in   the OFF   position. Air pressure   must   be   in   operating zone. Go  to  sheet  2 8-7