Hook arm weighs 1,100 lbs
(499 kg). Attach suitable lifting
device prior to removal to
prevent possible injury to
Attach lifting device to hook arm (4).
Use care when removing
retaining rings. Retaining rings
are under tension and can act as
projectiles when released causing
injury to personnel.
Using lifting device, support hook arm (4)
and remove two retaining rings (5), pivot
pins (6) and shims (7) from hook arm and
middle frame (8). Discard retaining rings.
Using lifting device, remove hook arm (4)
from middle frame (8).
Remove lifting device from hook arm (4).