TM 9-2320-360-10
2-2. DESCRIPTION AND USE OF CONTROLS AND INDICATORS (CONT)
FIFTH WHEEL CONTROLS
1
Primary Lock Release Handle
Used to open fifth wheel coupler jaws. Jaws open when handle is pulled.
2
Secondary Lock Release Handle
Used to unlock fifth wheel coupler jaws and allows them to be opened with primary lock release
handle. Coupler jaws unlock when handle is pulled.
2-18
