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54
CHASSIS
It is important to allow the HWH leveling system
to run the complete cycle and turn itself off when
operating in store mode. The system will completely
retract the jacks and turn itself off. If the system is
turned off prior to the automatic shut off, there is
a chance the jacks have not fully retracted. Also,
visually inspect the jacks prior to departure to ensure
they have fully retracted and the underside of your
unit is ready for travel.
IMPORTANT
!
Debris left on the roof or topper may prevent the
slideout from sealing properly when retracted,
as well as prevent the mechanical lock arms from
closing properly when the slideout is extended.
IMPORTANT
!
7. Retract the slideouts. Inspect all slideouts for complete
retraction.
8.
If the coach is equipped with manual lock arms, make
sure to lock them.
9. Unplug the coach from shore power when you are
ready to depart.
HWH Leveling System Operation (Model: 725 Series)
This article provides the step-by-step instructions for operating an HWH leveling system.
General Instructions
Maintain adequate clearance in all directions for vehicle,
room extensions, awnings, doors, steps, etc. Vehicle
may move in any direction due to jacks extending or
retracting, settling of the jacks or the vehicle, equipment
malfunction, etc.
If parking on soft ground or asphalt paving, a wood
block or pad should be placed under each jack.
Press the “Cancel” button or turn the ignition switch
“Off” at any time to stop the operation of the system.
Any time a hydraulic leveling process is interrupted, it is
recommended to retract the jacks according to the jack
retraction section and then restart the leveling process.
If the hand / auto brake is not set when the “Auto Level”
button is pressed, the “Not in Park/Brake” light will come
on. When the “Auto Level” button is released the “Not
in Park/Brake” light will go out. The Automatic Leveling
function will not start.
Automatic Hydraulic Leveling
Operation
Place transmission in the recommended position for
parking the vehicle and set parking brake. Turn the coach
engine off. Turn the ignition to the “Accessory” position.
One or two yellow level indicator lights on the
leveling system touch panel can be on anytime the
vehicle ignition is in the ‘On’ or ‘Accessory’ position
and the park brake is set.
NOTICE
!
At this time, the operator may want to check the jacks and
place a pad under each jack if the ground will not support
the vehicle.
The slight lift experienced during the stabilizing
procedure normally is not sufficient to cause a level
issue for the motor home.
NOTICE
!
Prior to pushing the ‘Auto Level’ button, the operator
must be sure that all persons and objects are clear
of the vehicle. Air will be exhausted from the vehicle
suspension and the vehicle will lower immediately
after the ‘Auto Level’ button is pushed.
WARNING
!
Press the “Auto Level” button one time. After selecting
a reasonably level site and making site will support unit
weight on jacks the Auto Level light will start to flash.
The system will begin to dump air from the vehicle
suspension. After approximately 25 seconds, the leveling
process will begin.
During the Automatic Leveling procedures, pushing
the ‘Auto Level’, ‘Auto Store’ or the ‘Cancel’ button on
the HWH touch panel will stop the automatic leveling
function.
AUTO LEVEL SEQUENCE
During the automatic leveling sequence, after the system
has extended the appropriate jacks to level the vehicle
and has turned the yellow level indicator lights off, the
system will then stabilize the vehicle.
PROBLEM: EXCESS SLOPE
In the event the jacks are unable to level the coach, the
“Excess Slope” light will come on... Retract the jacks and
move the vehicle to a more level position or level the
vehicle as close as possible according to the Manual
Hydraulic Operation section.
AUTOMATIC JACK RETRACTION
Start the engine and press the “Auto Store” button. The
store indicator light will flash. The vehicle should start to
return to proper ride height. The front jacks will retract for
5 seconds before the rear jacks will begin to retract. As
each jack retracts, its red “Warning” light will go out. The
system will automatically shut down 1 minute after the four
individual red “Warning” lights are out.