TM 5-5420-234-14&P
5-12. HOOK ARM REPAIR.
This task covers:
a. Removal
c. Cleaning/Inspection
e. Installation
b. Disassembly
d. Assembly
f. Follow-on Maintenance
INITIAL SETUP
Tools and Special Tools
Ring, Retaining (2) (Item 42, Appendix K)
LHS Bushing Remover (2215090)
Seal (4) (Item 111, Appendix K)
LHS Bushing Remover/Installer (Small)
(2215060)
Personnel Required
LHS Bushing Remover/Installer (Large)
Two
(2215070)
LHS Lead Screw (2215080)
Equipment Condition
LHS Washer (AE30574)
Main frame manifolds removed (para 5-24)
Lifting Device, Minimum Capacity 1950 lb
Main frame cylinders removed (para 5-31)
(885.3 kg)
Hook removed (para 5-13)
Pliers Set, Retaining (GGGP00480)
Hook arm cylinders removed (para 5-30)
Tool Kit, General Mechanic's: Automotive
Hook arm tubes removed (para 5-20)
(SC 5180-90-N26)
Main frame to hook arm winch hoses removed
Wooden Block (Item H-6, Appendix H)
Hook arm rubber bumpers removed (para 4-58)
Materials/Parts
Adhesive, Loctite 242 (Item 3,
General Safety Instructions
Component exceeds handling weight for one person.
Grease, Lubriplate (Item 18, Appendix E)
Two people are required for disassembly/assembly.
Bushing (2) (Item 4, Appendix K)
a. Removal.
WARNING
Hook arm and main frame weigh 1950 lb (885.3 kg). Attach suitable lifting device
prior to removal to prevent possible injury to personnel.
(1) Attach lifting device to hook arm (1) and main frame (2).
(2) Raise main frame (2) and hook arm (1). Remove wooden block and lower hook arm (1) and main frame
(2) to compression frame (3) using a lifting device.
(3) Remove lifting device from hook arm (1) and main frame (2).
(4) Install pin (4) in upper hole of hook arm (1) and secure with lynch pin (5).
