Air ride springs are available in single, double and triple convolution types
plus reversible sleeve models for virtually every conceivable heavy-duty vehi-
cle suspension application.
1. STUD. Manufactured as a permanent part of bead plate
assembly for maximum strength and durability. Used to
attach spring to vehicle's suspension.
2. BEAD PLATE. Crimped onto bellows at factory for a
durable design and maximum quality control. Allows
100% leak proof testing prior to shipment.
3. BELLOWS. "Air bag" includes four plies of material:
inner layer, two plies of cord-reinforced fabric and an
outer cover. Natural rubber construction provides func-
tional properties to - 65º F.
4. BUMPERS. A solid rubber or engineered plastic device
designed to prevent significant damage to vehicle or
suspension in event of a sudden loss of air pressure in
spring.
5. PISTON. Provides a lower mounting arrangement for
air spring. Controls characteristics of spring under
changing pressure loads.
6. PISTON BOLT. Attaches piston to bellows.
Sometimes extended as a means of attaching spring to
vehicle suspension.
Listed below are items that can be checked when the motorhome is in for
periodic maintenance.
NOTE: Never attempt to service the air suspension on a
motorhome with the air bags inflated.
• Inspect the O.D. of the air springs. Check for signs of
irregular wear or heat cracking.
• Inspect the air lines to make sure contact doesn’t exist
between the air line and the O.D. of the air springs. Air
lines can rub a hole in an air spring very quickly.
• Check to see that there is sufficient clearance around the
complete circumference of the air spring while at its
maximum diameter.
• Inspect the O.D. of piston for buildup of foreign materi-
als. (On a reversible sleeve style air spring the piston is
the bottom component of the air spring.)
• The correct ride height should be maintained. All
motorhomes with air springs have a specified ride height
established by the manufacturer. This height should be
Chassis Information
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WINDSOR
10•264
SUSPENSION AIR
RIDE BAGS
Checklist -
Air Bag Inspection
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