450 LXi
Owner Manual
4-19 Stabilizing System
Rev. “C”
~ 4-19-1 ~
4-19 Stabilizing System
Your motorhome is equipped with a “Big Foot” Hydraulic Stabilizing System from Quadra Manufacturing, Inc. The Stabilizing
System is compact and requires very little bay space which increases your cargo carrying capacity. This system is designed
to be used in conjunction with the Hadley Air Leveling system in Section 4-5. The Air Leveling System is the primary leveling
system; the hydraulic jacks are designed to stabilize a level coach - each of the four hydraulic jacks extend until it senses
the ground. In an emergency situation, the hydraulic jacks can be used to manually level the coach as long as the jacks are
operated in pairs as discussed in this Stabilizing Section.
4-19.1 Operating Instructions for Automatic
Control Panel with Manual Option:
Turn Power Switch On
Select Auto or Manual Mode by pressing the corresponding touch pad.
If Auto Mode was selected, proceed to
“Automatic Mode”
Step 3.
If Manual Mode was selected, turn to
“Extending Stabilizers Individually”
AUTOMATIC MODE:
WAIT WHILE WATCHING THE PANEL.
The system will lower both legs at the lowest end of the vehicle. When the fi rst leg reaches the ground it will cause the system
to sense motion and stop. Next, each leg will be lowered individually confi rming ground contact by causing the system to
sense motion. The system will then repeat the process for the other end of the vehicle.
WAIT WHILE WATCHING THE PANEL
The system will repeat Step 3 for the other end of the vehicle then stabilize the vehicle in all other directions. Completion of
this process is indicated by illumination of the Level Light.
4-19.1.1 Retracting Stabilizers while in Automatic Mode
IMPORTANT! After the stabilizers are retracted make a visual check to be sure all legs are retracted before
moving the unit!
Determine if the power to the Control Panel was left on or turned off, and proceed as follows:
If the Control Panel Power Was Turned On:
Press the Retract Pad and release. All legs will automatically retract and
cause the All-Up LED to light.
If the Control Panel Power Was Turned Off:
Turn power on and wait for the system to go through a 30-second self-
diagnostic mode, indicated by the Directional LEDs and the Level Indicator fl ashing. Press the Retract Pad and hold in until
all stabilizers are completely retracted as indicated by the All-Up LED being lit.
1.
2.
3.
4.
IMPORTANT! After the stabilizers are retracted make a visual check to be sure all legs are retracted before
moving the unit!
NOTE:
Immediately upon power initialization the system will enter a 30-second self-diagnostic mode, indicated
by the Directional LEDs and the Level Indicator fl ashing. Upon completion of this mode, one or two Directional LEDs
will be lit with one fl ashing. A lit LED indicates the end and/or side of the vehicle that is low. If the vehicle is in a
level position, only the Level Light will fl ash.
Summary of Contents for 450 LXi
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