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SUSPENSION SYSTEM
OPERATING AT NON-STANDARD HEIGHT
It is permissible to use the air springs to level the vehicle on site when stationary. This
should be done with the brakes off but with the vehicle safely secured. (e.g., attached to
the tow vehicle).
CARAVAN/ TRAILER STORAGE
If storing your vehicle for long periods, the suspension can be set to below standard ride
height for improved access/ clearance. It is normal for air pressure to be lost during long
term storage of your caravan causing the suspension height to lower
STORAGE
If storing your caravan for long periods, the suspension should be set at normal “Travel”
height to protect the bump stops and air bags from compression damage.
“GET YOU HOME” MODE (EMERGENCIES ONLY)
In the event of air loss, it is possible to run the caravan on the bump stops. The “get
you home” feature of the suspension has been successfully used on normal roads.
Extreme care and very slow speeds are required if running with airbags deflated. Off-road
conditions especially can cause damage to airbags and drawbar mounting brackets. It
may be advisable in these circumstances to lower tyre pressures to provide additional
cushioning to road bumps.
Note: Warranty does not apply under these conditions
AIRBAGS
Note: If the compressor has been off for some time, it will need a few minutes to fill the air
tank before you can pump the airbags up.
Travel Height: The critical function for the correct traveling arrangement is the HEIGHT
of the caravan, NOT the airbag pressure. The following image shows the correct way to
measure height for travel (from the top of the bump stop to the bottom of the chassis rails.
Note: Your airbag pressure may differ from side to side when setting this up and that
is normal. The normal operating PSI range is 45-60. Anything more than this can show
overloading in your caravan or incorrect travel height. Traveling with the airbags higher
or lower than these PSI settings can result in damage of your ZONE RV and may not be
covered under warranty.
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