TM 10-3930-659-20 7-13. TRANSMISSION THERMAL BYPASS VALVE MAINTENANCE (Con't). b. DISASSEMBLY 1. Remove  two  adapters  (13)  and  four  preformed packings (12) from two end caps (11).   Discarc preformed packings. 2. Remove     elbow     (22)     and     two     preformed packings  (21)  from  valve  body  (17).    Discard preformed packings. 3. Remove  four  nuts  (20)  and  screws  (14),  and slowly release spring pressure from valve body (17). 4. Remove two end caps (11) and preformed pack- ings    (15)    from    valve    body    (17).        Discard preformed packings. 5. Remove  spring  (19),  valve  element  (16),  and sea  (18)  from  valve  body  (17).    Discard  seal, valve element, and spring. TA707347 7-40