TM 9-2320-279-20-2
Winches, Cranes, and Power Takeoff (PTO) Maintenance Instructions (Cont)
17-17. CRANE HOOK BLOCK, HOOK, AND CLEVIS REMOVAL/REPAIR/INSTALLATION
(M977) (CONT).
WARNING
Always wear heavy gloves when
handling hoist cable to prevent
injury to hands.
(3) Drive out wedge (6), straighten
cable (7), and remove cable from
clevis (4).
b. Disassemble.
(1)
(2)
(3)
(4)
Remove cotter pin (1), nut (2), and screw (3)
from hook block (4).
Remove swivel hook (5) from hook block (4).
Remove nut (6), screw (7), and spring (8)
from latch (9).
Remove latch (9) from swivel hook (5).
c. Cleaning/lnspection.
WARNING
Adhesives, solvents, and sealing compounds can
burn easily, can give off harmful vapors, and are
harmful to skin and clothing. To avoid iniury or
death, keep away from open fire and use in
well-ventilated area. If adhesive, solvent, or
sealing compound gets on skin or clothing, wash
immediately with soap and water.
(1) Clean all parts in dry cleaning solvent.
(2) Inspect each part for damage.
(3) Replace damaged parts.
17-80
