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CHASSIS
LOCKING THE RAISE ALL BUTTON
In manual mode, hold Raise All for 3 seconds. This ‘locks’
the button on for a period of one minute.
•
During this time, the vehicle raises continuously and
the control panel sounds a repeated beeping tone.
•
After one minute is over, the vehicle stops raising.
•
The process may be repeated until the vehicle is at
the desired height.
•
To stop the raising process during the one-minute
period, tap either Power or one of the Raise/Lower
buttons.
Note: For safety reasons, the Lower All button does not
have this lock feature.
MANUAL MODE - NOTES
In manual air mode, if the vehicle begins to move, the
Trueline Leveling System automatically switches from
manual mode to travel mode at speeds higher than 5
mph.
If the Trueline Leveling System detects an excess
amount of twist in the vehicle frame during the manual
adjustments, the TWIST status will be displayed. Any
further actions that may cause more twist are not
permitted by the touchscreen.
Also, if the system detects that the height of a corner is
exceeding the factory set height limit (low or high), then
the corner will not raise if too high, or lower if too low.
For example: If the vehicle is in a state as indicated at
right, the touchscreen will not allow the right front to be
raised, the left front to be lowered, the left rear to be
raised, or the right rear to be lowered.
Travel Mode (Ride Height)
Travel mode is the operational mode used when the
vehicle is in motion.
This mode controls the vehicle’s air suspension system.
There are three factory-defined levels:
•
High Ride
•
Normal Ride
•
Low Ride
The leveling system can only be switched to travel mode
if the ignition is turned on. Switching to travel mode
causes the suspension to go to ride height.
USING TRAVEL MODE
1. Turn on the ignition.
2. Tap Travel. The default setting is normal ride height.
•
Low Ride allows additional clearance to the top of
the vehicle.
•
High Ride assists in negotiating uneven terrain.
A warning message and flashing LED indicate the system
is going to the selected ride height. Once at the desired
height the LED turns solid and the NOT AT HEIGHT
warning disappears.
To return to normal ride height while in travel mode, tap
the Travel LR/HR status.
These modes may be used only under predefined
speeds. At higher speeds, the vehicle will go to the
normal ride height state, and High Ride and Low Ride
buttons will not be enabled. The maximum speeds at
which low and high ride can be maintained are set by the
manufacturer.
If the Trueline Leveling System is turned o
ff
or in any
mode other than travel, it will automatically turn on and
switch to travel mode if the park brake is released or the
vehicle speed exceeds 5 mph.
In travel mode, the LED flashes until normal ride height is
reached. If the park brake is released before ride height is
reached, the touchscreen will sound a tone every second
until the normal height is achieved, or until the park brake
is set.
WARNING
!
The time required to achieve ride height varies with
vehicle design. It is the operator’s responsibility
to ensure that the vehicle is at an adequate height
before driving. If the vehicle is too low, severe
damage can result to the fenders when the wheels
are turned.
TRAVEL MODE - NOTES
•
When travel mode is entered from auto or manual
mode, the LED will flash until ride height is achieved.
The LED will also flash if high ride, low ride or normal
ride mode are set, and will continue to flash until the
desired ride height is achieved. It is strongly advised
not to move the vehicle while the LED is flashing. It is
also unadvisable to negotiate uneven terrain while in
low ride.
•
Unlike mechanical ride height systems, the automatic
ride height system is intelligent, and therefore will
not attempt to make ride height corrections while the
vehicle is cornering or braking.
Summary of Contents for London Aire 2021
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