Airstream 2009 Pan America, Owner'S Manual

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D - 10
ExTERIOR
D - 11
D
brake system adjustments. Changing trailer load and driving conditions as well
as uneven alternator and battery output can mean unstable current flow to your
brake magnets. It is therefore imperative that you maintain and adjust your
brakes as set forth in this manual, use a properly modulated brake controller,
and perform the synchronization procedure noted below
In addition to the synchronization adjustment detailed below, electric brake
controllers provide a modulation function that varies the current to the electric
brakes with the pressure on the brake pedal. It is important that your brake
controller provide approximately 2 volts to the braking system when the brake
pedal is first depressed and gradually increase the voltage to 12 volts as brake
pedal pressure is increased. If the controller “jumps” immediately to a high
voltage output, even during a gradual stop, then the electric brakes will always
be fully energized and will result in harsh brakes and potential brake lockup.
Proper synchronization of tow vehicle to trailer braking can only be accom-
plished by road testing. Brake “lockup, grabbiness, or harshness” is quite often
lack of synchronization between the tow vehicle and the trailer being towed,
too high of a threshold voltage (over 2 volts), or under adjusted brakes.
TIRES
Your trailer is equipped at the factory with name brand trailer tires. Airstream
dealers cannot make adjustments to tires. A dealer who handles that par-
ticular brand must do this. If you ever have tire problems check the local
telephone directory for the nearest dealer.
To get the maximum performance from your tires check the air pressure often,
but only when the tires are cool. Never bleed out air immediately after driving.
Recommended tire pressures vary with tire type and size.
Try to park out of the sun whenever possible when in warm climates. In desert
regions use tire covers to prevent ultra-violet deterioration to tires.
To CHANGE A TIRE with a jack see the label affixed to the underbelly to the rear
of the wheels. This label, says JACK with an arrow and points to a plate riveted
to the mainframe rail where the jack head must be placed. A flat tire may also
be changed without the aid of a jack. Drive the unit up on a ramp 8” wide, 6”
high, and about 3 feet long at its base. Position the good tire on the ramp. This
will raise the flat tire clear of the ground.
H-Hydralic Jack Position
S-Stabilizing Jack Position
S
S
S
S
S
S
H
H
H