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CHASSIS
The ride height of the vehicle can be adjusted when
traveling. Normal ride height is automatically selected
by default. However, the ride height of the coach can be
raised or lowered as needed. For example, high-ride may
be selected to negotiate uneven terrain; likewise, low-ride
may be selected to give additional clearance to the top of
the vehicle.
Operation
The leveling and electronic ride height system uses
electronics to control the air suspension for ride control
when traveling, and to control the air suspension for
leveling when stationary.
The following buttons and indicators are found on the
touchscreen.
The Trueline Leveling System is on when the ignition is
on. When the ignition is o
ff
, the system can be turned on
by pressing and holding the screen for at least 3 seconds
until the LED indicator turns green.
TRAVEL MODE
Travel mode is accessed from the home screen. Auto
Level and Manual Level are accessed from the leveling
screen.
Travel mode is operational when the vehicle is in motion.
By default, this mode will initiate when the park brake is
released, or when the vehicle begins moving. However,
it is best for the operator to enter this mode before the
vehicle begins moving by tapping Travel.
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.
Valid Trueline Air Leveling and Electronic Ride
Height System with Touchscreen Operation
This article provides brief operation instructions for a Valid Trueline Leveling System with Electronic Ride Height
Enhancement Touchscreen (Model: VDC00197).
Overview
The leveling and electronic ride height system uses
electronics to control the air suspension for ride control
when traveling, and to control the air suspension for
leveling when stationary.
The stationary leveling features have both an automatic
and manual mode. Auto mode levels the coach with the
touch of a button using the air suspension. Manual mode
allows each corner to be individually raised and lowered
to manually level the coach. Manual mode can be used
with confidence, as the system does not allow the coach
chassis to be twisted beyond allowable limits.
Coaches Equipped With HWH
Reset Switch
Current coaches equipped with an HWH step system also
have an HWH reset switch installed in the main control
panel, allowing the user to reset the HWH control board.
1. Press and hold the momentary contact switch for
approximately five seconds to reset the system.
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