TM 10-3930-669-34 15-2. HYDRAULIC PUMP REPLACEMENT/REPAIR (CONT). (4) Loosen screw (7) until approximately 1 1/2 in.  of thread can be seen.  Do not remove. NOTE Screw will stay with pump. (5) Remove screw (8) and washer (9) from hydraulic pump (10) and transmission housing (11). (6) Hold hydraulic pump (10) and remove screw (8), washer  (9),  pump  (10),  screw  (7),  and  washer (12) from transmission housing (11). b. Disassembly. NOTE • Mark  positions  of  elbows  before removal. • Hydraulic  pump  disassembly  can be  facilitated  by  placing  pump  in a vise with soft jaws. (1) Loosen   nut   (13)   and   remove   elbow   (2)   and preformed   packing   (14)   from   hydraulic   pump (10).  Discard preformed packing. (2) Loosen   nut   (15)   and   remove   elbow   (4)   and preformed   packing   (16)   from   hydraulic   pump (10).  Discard preformed packing. (3) Loosen nut (17) and  remove  45°  elbow  (6)  and preformed   packing   (18)   from   hydraulic   pump (10).  Discard preformed packing. (4)    Remove screw (8) and washer (9) from hydraulic pump (10). 15-4