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TM 9-2320-364-34-3
18-189
Use care when removing
retaining rings. Retaining rings
are under tension and can act as
projectiles when released causing
injury to personnel.
NOTE
Shim is .0747 in. (1.9 mm)
thick. Add one shim per
every .0747 in. (1.9 mm) gap
between inside lip and hook
arm.
Only add shim if area
between inside lip and hook
arm exceeds .0747 in. (1.9
mm).
Perform Steps (243) through
(246) if shim(s) are required.
(242)
Measure distance between hook arm (77)
and inside lip (287) of middle frame (288).
Record as measurement “A”.
(243)
With the aid of an assistant, support hook
arm (77) and remove retaining ring (289)
from left side of pivot pin (290).
NOTE
Shims can be found in box D,
pack no. 15 of CHU kit crate.
Do not completely remove
pivot pin.
(244)
Partially remove left side pivot pin (290)
until shim(s) (291) can be installed between
hook arm (77) and middle frame (288).
(245)
Position shim(s) (as required) (291)
between inside lip (287) of middle frame
(288) and hook arm (77).
(246)
Install left side pivot pin (290) through
shim(s) (291) and inside lip (287) and
install retaining ring (289).
(247)
Remove lifting device from hook arm (77).
77
290
291
289
287
288
LEFT
SIDE
OF
TRUCK
77
287
290
A
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