OPERATING PROCEDURES
MP34.3403
03MAR10
AUTOMATIC AIR OPERATION
the ignition is in the "ON" or "ACC" position, the four red
will begin. The system will first exhaust air from all the air
SYSTEM ACTIVE LIGHT will start flashing and air leveling
3. Press the "AIR" button a second time. The LEVELING
vehicle should not be moved when these lights are on.
that the height control valves have been locked out. The
WARNING lights on the panel will come on. This indicates
LEVELING SYSTEM ACTIVE LIGHT will glow steady. When
2. Press the "AIR" button once to enter the air mode. The
"NOT IN PARK/BRAKE" light will be on while the "AIR"
the panel will not turn on if the park brake is not set. The
required for leveling.
will level with the engine shut off, however more time will be
This will provide a better air supply for leveling. The vehicle
Leaving the engine running during leveling is recommended.
turned on if the ignition is in the "ON" or "ACC" position.
and set the park brake. The air leveling system can only be
1. Place the transmission in the proper position for parking
started, the ignition can be moved to the "OFF" position
position to use the "AIR" button. Once the operation is
button is being pushed.
NOTE: If the ignition key is in the "ON" or "ACC" position,
NOTE: The ignition must be in the "ON" or "ACC"
4. When all four yellow level lights are out, the LEVELING
SYSTEM ACTIVE LIGHT will stop flashing and start pulsating
dimly. The Leveling System is now in the SLEEP MODE.
NOTE: After the ignition and all room extension KEY
SWITCHES are turned OFF, the CAN Network stays active
for 10 minutes before shutting down. Leveling System
and the operation will continue. All jacks must be fully
NOTE: Only one or two yellow LEVEL SENSING lights
may be ON at one time.
The vehicle’s engine/ignition may now be turned OFF.
touch panel lights will stay ON during this time and go
out when the CAN Network shuts down. If the Leveling
System is in the SLEEP MODE when the Network shuts
down, the computer will stay ON. The Leveling System
touch panel lights will all be OFF, but the Leveling
System will still be in the SLEEP MODE.
5. 30 minutes after the Leveling System enters the SLEEP
MODE, the computer will monitor the LEVELING SENSING
UNIT for one minute. If no leveling is needed, the computer
will continue to monitor the LEVELING SENSING UNIT
every 30 minutes. No light will be seen on the Touch Panel.
6. If the vehicle needs to be re-leveled, the CAN Network will
become active. The Leveling System touch panel lights will
come ON during the leveling procedure. The LEVELING
SYSTEM ACTIVE LIGHT will flash. One or two yellow
LEVELING LIGHTS will be ON. When the yellow LEVELING
LIGHTS are all out, the LEVELING SYSTEM ACTIVE LIGHT
will stop flashing and start pulsating dimly. The Leveling
System will remain in the SLEEP MODE with the computer
monitoring the LEVELING SENSING UNIT every 30 minutes,
re-leveling the vehicle as needed.
"ON" position.
pushed or the park brake is released, if the ignition is in the
7. The SLEEP MODE will continue until the "OFF" button is
system re-levels the vehicle.
the touch panel lights OFF. This happens every time the
after re-leveling the vehicle and then shut down, turning
NOTE: The CAN Network will stay active for 10 minutes
is active until the vehicle is leveled with all yellow LEVEL
The "EXCESS SLOPE" light will be on whenever the network
out. The "EXCESS SLOPE" light will be on whenever
light will come on. The LEVEL LIGHT indicator light will go
if a LEVEL SENSING light is still on, the "EXCESS SLOPE"
vehicle for approximately 30 minutes. After the 30 minutes,
The system will attempt to level the
the network is active.
indicator lights off.
EXCESS SLOPE:
The system will only return to the TRAVEL MODE if the
"STORE" button is pushed or the park brake is released.
In either case, the ignition key must be in the "ON"
position.
retracted to use the "AIR" button.
bags to lower the vehicle. The system will then add air to
bags to raise the low side first, if needed, then raise the
low end, if needed.
If no yellow level lights are on when the air button is pushed
the second time, the system will still exhaust all air from all
the air bags. If a yellow light is on after the air has been
exhausted, the system will level the vehicle by adding air
to the necessary air bags to turn the yellow lights off. If no
yellow lights are on after the air is exhausted, the system
will go directly into the sleep mode.
