25-75 Mechanical Cargo Hook Release Control Rigging
CAUTION
Cargo hook load beam must be closed and locked when rigging
mechanical release control.
1. Verify HOOK RELEASE knob adjacent to collective stick is positioned full down. Verify
cargo hook load beam is closed and locked.
2. If not previously accomplished, remove screws securing (mechanical release) cover to
528-029-00 cargo hook and remove cover.
3. Refer to Figure 25-4. If not previously accomplished, connect D676-3 (control) cable
assembly’s ball to mechanical release’s fork. Rotate release lever clockwise to remove
free play (lock indicator will begin to move) and measure gap between fork and ball as
shown.
4. Adjust gap as required to obtain measurement between 0.15–0.25 inch. To adjust
gap:
a. Disconnect cable assembly’s ball from release lever assembly’s fork.
b. Remove cotter pin (if installed), castellated nut, washers, and bolt (G132-1) or
load cell (G132-2 or G132-4) securing hook to hard point’s D136-2 support.
Remove hook.
c. Thread or unthread hook onto cable as required to meet gap dimensions. Verify
threads protrude beyond plate flange.
d. Reassemble hook to hardpoint per § 25-73 Part C step 3.
e. Repeat steps 3 and 4.
5. Special torque jam nut to 80 in.-lb. Install screws securing release lever assembly’s
cover to hook. Verify security.
6. Finish hook installation per § 25-73 Part C steps 6 thru 10.
APR 2019 Chapter 25 Furnishings Page 25.25
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