TM 5-3810-207-20/TO 36C23-3-37-12Figure 84. Bail block, exploded view.163. Crowd and Retract Mechanisma.Removal. Remove the crowd chains and crowdand retract mechanism from the revolving frame (TM 5-3810-207-10).b.Disassembly. Disassemble the crowd andretract mechanism and chains as illustrated on figure88.c.Cleaning, Inspection, and Repair.(1)Clean all parts with an approved cleaningsolvent.(2)Inspect all parts for breaks, excessivewear, and other damage. Repair orreplace all defective parts as necessary.d.Reassembly. Reassemble the crowd and retractmechanism and chains as illustrated on figure 88.e.Installation. Install the crowd and retractmechanism and chains (TM 5-3810-207-10).164. Boom Trip Druma.Removal.(1)Remove the boom trip drum cable (TM 5-3810-207-10).(2)Remove the boom trip drum as instructedon figure 89.b.Disassembly. Disassemble the boom trip asillustrated on B, figure 89.c.Cleaning, Inspection, and Repair.(1)Clean all parts with an approved cleaningsolvent.(2)Inspect all parts for breaks, excessivewear, and other damage. Replace alldefective parts.d.Reassembly. Reassemble the boom trip asillustrated on B, figure 89.e.Installation.(1)Install the boom trip drum as illustrated onfigure 89.(2)Install the boom trip drum cable (TM 5-3810-207-10).125
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