TM  10-3930-638-24&P 2-56.   HYDRAULIC   LIFT   SYSTEM   MAINTENANCE   (cont) f. Hoses, Lines and Fittings (cont). (1)  Hydraulic  Oil  Filter  Assembly  to  Control  Valve  to  Mast  Assembly  (cont). STEP LOCATION ITEM ACTION REMARKS REMOVAL  (cont) 2 Front of vehicle, a. Hose fittings ( 13 and Loosen  and  dis- Plug end of hose assemblies (29 and 30) control  valve 14) connect b. Hose fittings (15 and Loosen  and  dis- Plug end of hose assemblies (42 and 43) 16) connect c. Tees (17 and 18) Remove Plug  control  valve  ports d.  Hose  fitting  (19) Loosen  and  dis- Plug end of hose assembly (47) connect e. Hose fittings (20 and Loosen  and  dis- Plug end of hose assemblies (51 and 53) 21) connect f.  Hose  fittings  (22  and Loosen  and  dis- Plug end of hose assemblies (55 and 57) 23) connect NOTE Elbows (24, 25, and 26) are adjustable; if necessary, loosen nut (part of elbow) and extend elbow to obtain clearance to remove it. g. Elbows (24 and 25) Remove Plug  control  valve  ports h. Elbow (26) Remove 3 Right side of a. Hose fittings (27 and Loosen  and  dis- Plug end of hose assemblies (29 and 30) vehicle;  tilt 28) connect cylinder b.  Hose  assembly  (29) Remove assemblies c. Hose assembly (30) Remove d. Adapter (31) Remove Plug  tilt  cylinder  assembly  port e. Elbow (32) Remove Plug  tilt  cylinder  assembly  port 2-419