TM 5-5420-234-14&P
5-12. HOOK ARM REPAIR (continued).
e. Installation.
WARNING
Hook arm weighs 1025 lb (465.35 kg). Attach suitable lifting device prior to
installation to prevent possible injury to personnel.
(1) Attach lifting device to hook arm (1) as shown.
(2) Position hook arm (1) on main frame (2) using a lifting device.
WARNING
Use care when installing retaining rings. Retaining rings are under tension and can
act as projectiles when released causing injury to personnel.
(3) Install two shims (8) and pins (7) in main frame (2) and hook arm (1) and secure with two new retaining
rings (6).
1
LIFTING
DEVICE
1
7
7
8
8
2
2
6
6
2
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