TM 10-3930-669-34 NOTE Pivot  valve  shown.    Tilt  valve,  shift valve, and lift valve are disassembled the same way. (20)  Remove   two   screws   (78)   and   spool cap (79) from pivot valve (66). (21)  Remove   two   screws   (80),   seal   plate (81), wiper (82), and preformed packing   (83)   from   pivot   valve   (66). Discard preformed packing. (22)  Remove   spool   (84),   other   seal   plate (81), wiper (82), and preformed packing   (83)   from   pivot   valve   (66). Discard preformed packing. (23)  Remove  screw  (85),  spring  seat  (86), spring (87), and other spring seat (86) from spool (84). (24)  Remove   two   check   valves   (88)   and preformed packings (89) from midinlet (68).  Discard preformed packings. 15-19