TM10-3930-660-20 18-26. HYDRAULIC HOSES, LINES AND FITTINGS - REPLACE/-AIR (Cont  ‘d) 11. BOOM EXTENSION CYLINDER LINES AND FITTINGS . a. Remove two nuts (177), two capscrews (178) and four clamp halves (179) . b. Remove tie wraps (not shown) and protective sleeve (180). Discard tie  wraps. c. Remove two hose assemblies (181) and two elbows (184). Refer to Boom Hydraulic Hoses, para. 18-25. 12. MLRS ATTACHMENTLINES TO BOOM BULKHEAD. a. b. Remove two tie wraps (185) and Protective sleeve (186). Discard tie wraps (185). Remove hose assemblies (187, 189 and 191),  as necessary. 18-107