SECTION IV: HOISTING BOOM ASSEMBLY

REPLACE/REPAIR WIRE ROPE ROLLER HOUSING AND BEARING ASSEMBLY

TM-9-2350-256-20 Carrier Cargo Tracked 6-Ton M548A1 (2350-01-096-9356) M548A3 2350-01-369-6081 Manual
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TM 9-2350-256-20 CHAPTER 11: MAINTENANCE OF MAIN WINCH. HOIST WINCH, AND RELATED COMPONENTS SECTION IV: HOISTING BOOM ASSEMBLY Para. Task Page 11-11 Replace/Service Hoisting Boom, Cylinders, and Related Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . 11-16 11-12 Services Stayline Cylinder Limit Valve Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-20 11-11 REPLACE/SERVICE HOISTING BOOM, CYLINDERS, AND RELATED PARTS THIS TASK COVERS a. Removal b. Installation c. Inspection INITIAL SET-UP Tools: Parts-Continued: Tool kit, general mechanic’s (Appendix c, item 53) Pins, cotter (2) (Appendix G, item 226) Parts: Reference: •Lockwashers (3) (Appendix G, item 130) TM 9-2350-256-24P-2 •Lockwashers (15) (Appendix G, item 132) Elevating the hoisting boom when both the main engine and the Auxiliary Power Unit are inoperable is a safety hazard and may cause injury to personnel. a. REMOVAL NOTE The hoisting boom will only be repaired (parts removed and installed) to the extent of the replacement of parts authorized in TM 9-2350-256-24P-2. 1 Remove two screws (1), guide bar (2), and spring (3) from guard (4). 2 Remove two pulleys (5) and guard (4) by removing two cotter pins (6), two nuts (7), two lockwashers (8), wire rope (9), and shaft (10). 3 Remove two chains (11) by removing two retaining pins (12) and two pm shackles (13) from each. 4 Remove two screws (1-1), two lockwashers (15) with pm (16), and washer (17) from shoe tree (18). 11-16

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