TM  10-3930-638-24&P 2-56.   HYDRAULIC   LIFT   SYSTEM   MAINTENANCE   (cont) f. Hoses, Lines and Fittings (cont). (2) Mast Assembly (cont). STEP LOCATION ITEM ACTION REMARKS INSTALLATION/REPLACEMENT NOTE Remove  plugs/caps  from  tube  and  hose  assemblies  and  cylinders as  connections  are  made. 9 Carriage a. Four fittings (49) Position assembly b. Four nuts (48) Install Secure fittings (49) c. Four elbow fittings (47) Position d. Four nuts (46) Install Secure elbow fittings (47) e. Tube assembly (45) Position f. Tube fittings (44 and Connect  and Completes  installation  of  tube  assembly 43) tighten (45) g.  Tube  assembly  (42) Position h. Tube fittings (41 and Connect  and Completes  installation  of  tube  assembly 40) tighten (42) i. Two 90 degree fittings Install (39) j. 90 degree fitting (38) Install k. 45 degree fitting (37) Install l. Hose assembly (36) Position m. Hose fittings (35 and Connect  and Completes  installation  of  hose  assembly 34) tighten (36) n. Hose assembly (33) Position o. Hose fittings (32 and Connect  and Completes  installation  of  hose  assembly 31) tighten (33) p. Tube assembly (30) Position q. Tube fittings (29 and Connect  and Completes  installation  of  tube  assembly 28) tighten (30) r. Tube assembly (27) Position s. Tube fittings (26 and Connect  and Completes  installation  of  tube  assembly 25) tighten (27) t. Elbow fittings (24 and Install 23) u. Hose assembly (22) Position v. Hose fittings (21 and Connect  and Completes  installation  of  hose  assembly 20) tighten (22) w.  Hose  assembly  (19) Position x. Hose fittings (18 and Connect  and Completes  installation  of  hose  assembly 17) tighten (19) 2-437