TM 5-2330-325-14&P
KEY
CONTROL OR INDICATOR
FUNCTION
1
Kingpin (removable)
Secures trailer to fifth wheel of prime mover.
Kingpin is removable and two kingpins are
provided.
2
Hydraulic Pressure Gauge
Measures pressure in gooseneck hydraulic
system.
3
Lift Arm Control Lever
Actuates lift arm hydraulic cylinders.
4
Tilt Control Valve Lever
Actuates tilt arm hydraulic cylinders.
5
Trailer Electrical Connector
Connection joint for trailer 12/24-volt power
source.
6
Trailer Air Line Connector
Gooseneck to trailer emergency air line
for braking system.
7
Neck Base Slide Bar Rod Lock
Locks gooseneck to trailer mount.
8
Trailer Air Line Connector
Gooseneck to trailer service line connection for
braking system.
9
Shim Lever
Positions shims between neckbase and
gooseneck to support trailer in raised position.
10
Hydraulic connector
Connection joint for gooseneck power source.
11
Gladhands (Blue-service,
Connect to the prime mover to supply air for the
Red-Emergency)
trailer brakes.
12
Gooseneck Electrical Connector
Connection joint for the 12-volt power source.
13
Gooseneck Electrical Connector
Connection joint for the 24-volt power source.
