TM 9-2320-279-20-2
17-72
Change 4
Winches, Cranes, and Power Takeoff (PTO) Maintenance Instructions (Cont)
17-15. CRANE HOOK BLOCK, HOOK, AND CLEVIS REMOVAL/REPAIR/INSTALLATION
(M985) (CONT).
NOTE
·
There are two models of hook and
latch that may be installed on crane.
·
Model A does not have cotter pin on
end of hook.
·
Model B does have cotter pin on end
of hook.
·
Perform step (11) for Model A.
·
Perform steps (11 and 12) for
Model B.
(7)
Remove cotter pin (14) and nut (15)
from hook (16).
(8)
Remove washer (17) and shield (18).
(9)
Remove bearing (19) from shield (18).
(10)
Remove hook (16) from block (5).
(11)
Remove nut (20), screw (21), spring
(22), and latch (23) from hook (16).
(12)
Remove cotter pin (24) from hook (16).
c. Cleaning/Inspection.
WARNING
Adhesives, solvents, and sealing compounds can burn easily, can give off harmful vapors,
and are harmful to skin and clothing. To avoid injury 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 metal parts with dry cleaning solvent.
(2)
Allow bearing to air dry, then coat with lubricating oil.
WARNING
Compressed air used for cleaning purposes will not exceed 30 psi (207 kPa). Use only with
effective chip guarding and personal protective equipment, goggles, shield and gloves.
