TM10-3930-660-20 18-26. HYDRAULIC  HOSES,  LINES  AND  FITTINGS  -  REPLACE/REPAIR  (Cont’d) 2. MAIN CONTROL VALVE LINES AND FITTINGS. a. b. c. d. e. Disconnect four pilot circuit hose assemblies (15), as applicable. Remove fittings (18), as necessary. Remove two inlet section lines (19 and 22), as applicable. Remove fittings (25, 26 and 27), as  necessary. Remove two boom extension control section hoses (28) and fittings (29), as necessary.  Refer  to para.  18-6. f. Remove two hose assemblies (30) and two hose assemblies (31) from main control valve boom hoist section, as applicable. g. Remove fittings (34 through 37) and flow control valve (38), as necessary. 18-102