TM 9-2320-365-10
b. Towbar Disconnection.
(1) Pull out TRAILER AIR SUPPLY control (1) on towing vehicle.
NOTE
Left and right side chains are removed the same way. Right side shown.
(2) Disconnect two chains (2) from shackles (3) of towing vehicle and from shackles (4)
on disabled vehicle.
2-315