TM 9-2350238-34-22-28. MAINTENANCE OF BOOM AND WINCH –CONTROL CYLINDERS AND AT-TACHING PARTS AND BOOM CONTROL CYLINDER ASSEMBLY (CONT).REMOVAL (CONT)4 Lower sling through cupola opening andsecure around boom winch controlcylinder assemblies (4).5 Remove four hexagon head capscrews (6),four Iockwashers (7), and two boomcylinder hinge pin locking plates (8) secur-ing two lower boom cylinder headlessstraight pins to upper rod end connectorsof boom winch control cylinder assemblies(4) and crane boom. Remove lubricationfittings (9) from each upper boom cylinderheadless straight pin (3).Place rags or suitable padding bet-ween the bottom of the cylinderrods and cab wall to preventdamage to machine surface ofcylinder rods.6 Pry out and remove two upper boomcylinder headless straight pins (3) fromupper rod end connector of boom winchcontrol cylinder assemblies (4) and craneboom (1).2-86
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