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TM 9-2320-304-14&P
5-107
Direct Support and General Support Maintenance (Cont)
e. Installation.
WARNING
·
Hook arm weighs 1,100 lbs. (499 kg).
Attach suitable lifting device prior to
installation to prevent possible
injury to personnel.
·
Ensure hook arm is supported with
wooden blocks during installation to
prevent possible injury to personnel.
(1) Attach lifting device to hook arm (1) and
place hook arm in installation position
on main frame (2).
(2) Apply light coat of grease to pivot
pins (4).
(3) Install two shims (3) with pivot pins (4)
on main frame (2) and hook arm (1).
WARNING
Use care when installing retaining rings.
Retaining rings are under tension and can
act as projectiles when released causing
injury to personnel.
(4) Install two retaining rings (5) on pivot
pins (4).
(5) Remove lifting device from hook arm (1).
(6) Remove snapper pin (6) from pivot
pin (7).
(7) Remove washer (8) and pivot pin (7).
f. Follow-on Maintenance.
(1) Install LHS hook arm cylinders
(Para 5-37).
(2) Install LHS hook (Para 5-22).
(3) Remove wheel chocks
(TM 9-2320-279-10).
END OF TASK
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