Lower hinge. Swing clevis (4) back and replace screw (3).
Do not use 25-ton (22.7-metric-ton) snatch block if screw (3) is not installed. If
there is no hole in hinge for screw, immediately notify unit maintenance for
installation. Failure to secure clevis to hinge with screw could result in release of
snatch block during lifting operations possibly causing death.
In order not to tangle cable when rigging, read following instructions carefully.
For replacement screw (3), use NSN 5305-00-269-2798.
boom tray (7) with
open end of block
Open boom pulley
safety latch (8).