TM 5-3805-248-10
THEORY OF OPERATION - CONTINUED
0003 00
AIR AND BRAKE SYSTEMS
1.
General. The air system consists of an engine-driven air compressor, three air tanks and related lines, hoses and valves.
The system provides the required air to operate the machine's service and parking brakes, differential control lock valve,
transmission hold control valve and air horn.
RETARDER
HAND
DIFFERENTIAL
CONTROL
CONTROL
TRANSMISSION
VALVE
PRESSURE
LOCK VALVE
HOLD CONTROL
PROTECTION VALVE
VALVE
BRAKE
ACTUATORS
AIR
HORNS
BRAKE
CONTROL
APRON
VALVE
DOUBLE
CONTROL
CHECK
VALVE
VALVE
RELIEF
VALVE
VALVE
QUICK
REGULATOR
DISCONNECT
CONNECTOR
AIR
DRYER
GOVERNOR
QUICK
RELEASE/
AIR COMPRESSOR
HOLDING
RELAY VALVE
VALVE
394-188
BRAKE
ACTUATORS
0003 00-3