ARMY TM 5-5420-212-10-1
MARINE CORPS TM 08676A-10/1-1
Pull chain tight and attach it to chain ratchet assembly.
Relock chain release lever [released in step (6)].
(10) Turn tension adjustment until chain is tight; hand tighten only.
The hook on the ratchet assembly can be retracted without pulling up the release lever.