RETRACTABLE TWIST LOCKS REPLACEMENT
Ground Boards Emplaced
Oil, Lubricating (WP 0086 00-2, Item 9)
Landing Legs Down
Roll Pin (WP 0080 00-22)
Semitrailer Disconnected from Prime Mover
General Mechanic's Tool Kit (WP 0077 00-9)
Make sure twistlock pocket is clean and free of debris.
There are twelve retractable twist locks and they are removed and
installed the same way. This procedure covers one retractable twist lock.