Monaco Executive 2001 Owner'S Manual Download

Page: 217 / 269

The ride height valves inflate or deflate the air bags keeping the motorhome

at proper suspension height throughout the load range. There are three ride
height control valves used on the motorhome. Two are used on the rear drive
axle, these control rear suspension height and left or right tilt of the motorhome.
Only one valve is used to control front axle suspension height. The ride height
control valves are mounted to the main frame of the motorhome just above the
axles. Each valve has a linkage rod connected the axle. The valves make small
air adjustments to the air springs while traveling. Amount of system air used
depends on the type of roadway surface and driving styles.

Should it become necessary to check suspension ride height start with air sys-

tem fully charged and suspension at normal height. Motorhome must be on a flat
level surface. Suspension height distance is measured from the top of the H-
Frame to the bottom of the Main Frame Rail. Specified distances may vary plus
or minus 1/4”. Small adjustments to the rear valves may be necessary to com-
pensate for slight tilt. Example: Adjusting curbside rear height control valve up
will pivot roadside front corner down.

NOTE: Driveline angle is affected by the suspension ride height. Improper

driveline angle can damage suspension or shorten life of universal joints.

Shock absorbers and air springs are in travel centers at proper ride height.

To adjust suspension ride height begin with:

• Motorhome on flat level surface.
• Air system fully charged.
• Suspension at normalized ride height.

Begin with front control valve. Loosen the adjust-

ing locknut at the eccentric slot on the valve. Move
the plastic arm up to raise suspension height, this will
inflate air springs. Move the plastic arm down to
lower suspension height, this will deflate air springs.
Make small increment adjustments. When desired
height is obtained, insert a 1/8” or 7/64” inch twist
drill bit into the plastic arm and valve body. This will
central travel of internal piston. Tighten adjusting
locknut between 60-80 in/lbs. Check adjustments
made by using Air Dump switch to deflate air

springs. Start engine to allow air system to become fully charged. Allow suspen-
sion to adjust and come to a neutral setting. Re-check suspension height meas-
urement. Follow same procedure for rear control valves. Re-check the front sus-
pension height when adjustments are made to rear height control valves.

NOTE: Do not modify length of the linkage rods. Make necessary adjust-

ments using eccentric slot on ride height control valve.

Chassis Information

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Monaco Executive 2001, Owner'S Manual

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