TM 9-2350-256-20CHAPTER 9:MAINTENANCE OF HULL- AND CAB-RELATED COMPONENTS9-44 REPLACE/SERVICE BOOM SUPPORT AND RELATED PARTSTHIS TASK COVERSa. Removalb. Installationc. AdjustmentINITIAL SET-UPTools:Parts:Equipment Condition:• Tool kit, general mechanic’s• Lockwashers (8) (Appendix G,Hoisting boom raised (refer to(Appendix, C, item 53)item 134)TM 9-2350-256-10)• Wrench, torque (Appendix C,• Pins, cotter (6) (Appendix G,item 61)item 216)• Pin, cotter (Appendix G,item 220)a. REMOVAL1Remove support latch (1) and spring (2) by removing cotter pin (3), washer (4), and straight pin (5).2Remove latch adjusting screw (6) and nut (7).3Remove three latches (8) and three springs (9) by removing six cotter pins (10) and three straight pins (11)4Remove boom support (12) by removing 8 screws (13), 8 lockwashers (14), and 16 flat washers (15).b. INSTALLATION1Install boom support (12) with 16 flat washers (15), 8 new lockwashers (14, and 8 screws (13). Torque screwsto 70-75 pound-feet (lb-ft) (95-102 newton-meters [N•m] ).2Install three springs (9) and three latches (8) with three straight pins (11) and six new cotter pins (10).3Install latch adjusting screw (6) and nut (7).4Install spring (2) and support latch (1) with washer (4), straight pin (5), and new cotter pin (3).9-74
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