Section 16: SUSPENSION
PA1564
24
8.1 AIR
SPRINGS
The air springs are made from a special
compound rubber molded to the proper contour
and dimensions. The entire vertical load of the
vehicle is supported by these springs. Each of
the two axles is provided with air springs that
are attached to the subframe and to the axles
(Fig. 31).
FIGURE 31: AIR SPRING
16052
8.1.1 Inspection
1. Check operation of bellows.
2. Visually inspect bellows for evidence of
cracks, punctures, deterioration, or chafing.
Replace the bellows if any damage is evi-
dent.
3. With the primary air system at normal oper-
ating pressure (95 - 125 psi (655 - 860
kPa)), coat all suspension air line connec-
tions and bellows mounting areas with a
water and soap solution. Bubbles will indi-
cate an air leak, and none is permissible.
Repair or replace defective parts.
NOTE
If air spring is removed from vehicle, bellows
can be lightly inflated and submerged in water
to detect any leakage. If any leakage is
detected, replace bellows.
WARNING
To prevent personal injury, do not apply more
than 10 psi (69 kPa) of air pressure to the
uninstalled air spring.
8.1.2 Removal
NOTE
Suspension air springs (drive and tag axles)
can be removed without removing the entire
axle assembly.
1. Safely support vehicle at the recommended
body jacking points. To gain access to a
given air spring, the corresponding wheel
can be removed as follows.
a) Jack vehicle until the tire clears the
ground, and place safety supports under-
neath body.
CAUTION
Only the recommended jacking points must be
used as outlined in Section 18, “Body”.
b) Support the axle with a suitable hydraulic
floor jack at the recommended jacking
point.
c) Remove wheel.
2. Exhaust compressed air from accessory air
tank by opening drain cock under reservoir.
3. Disconnect the height control valve link and
pull down the overtravel lever to ensure all
air is exhausted from air springs.
NOTE
While performing this step, do not change the
height control valve overtravel lever
adjustment.
4. Disconnect air line from air spring, remove
elbow (if applicable), and cover both the line
end and fitting to prevent the entry of foreign
matter.
5. Remove the air spring upper nut, and then
the two lower nuts. Remove air spring.
8.1.3 Installation
1. Compress air spring as necessary, then
aligning studs with their holes, position air
spring between both the lower and upper
supports. Thread the lower nuts and the
small upper nut a few turns.
Summary of Contents for LE MIRAGE XLII BUS SHELLS
Page 1: ...COACH MANUFACTURER MAINTENANCE MANUAL LE MIRAGE XLII BUS SHELLS PA1564 1ST EDITION...
Page 12: ...Section 00 GENERAL INFORMATION 10 PA1564 FIGURE 13 METRIC US STANDARD CONVERSION TABLE 00005...
Page 13: ...Section 00 GENERAL INFORMATION PA1564 11 FIGURE 14 CONVERSION CHART 00006...
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Page 63: ...SECTION 01 ENGINE PA1564 33 FIGURE 13 POWER PLANT CRADLE INSTALLATION 01140...
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Page 229: ...FAULT CODE MANUAL Created on 00 04 25 15 30 1 FAULT CODE MANUAL B7L B7TL B12...
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Page 379: ...Section 12 BRAKE AND AIR SYSTEM PA1564 21 FIGURE 38 AIR OPERATED BRAKING SYSTEM WE...
Page 380: ...Section 12 BRAKE AND AIR SYSTEM PA1564 22 FIGURE 39 AIR OPERATED BRAKING SYSTEM W5...
Page 387: ...Section 12 BRAKE AND AIR SYSTEM PA1564 29 FIGURE 46 ABS 6S 5M CONFIGURATION...
Page 418: ...16 BW2158 Honeywell Commercial Vehicle Systems Company 4 2001 Printed in USA...
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Page 926: ...PROCEDURE NO SAV00044 REVISION 00 Page 2 of 2 Slide out...
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Page 1086: ...Section 22 HEATING AND AIR CONDITIONING PA1564 18 FIGURE 17 DOUBLE SWEEP EVACUATION SET UP...
Page 1118: ...Section 22 HEATING AND AIR CONDITIONING PA1564 50 FIGURE 54 HEATER LINE SHUTOFF VALVES WE...
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Page 1125: ...Compressor 62 11052 Rev A WORKSHOP MANUAL for MODEL 05G TWIN PORT COMPRESSOR R...
Page 1126: ...WORKSHOP MANUAL COMPRESSOR MODEL 05G TWIN PORT...
Page 1149: ...Compressor 62 11053 Rev B SERVICE PARTS LIST for MODEL 05G TWIN PORT COMPRESSOR 1 2 3 4 5 6 R...
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Page 1223: ...Section 26 XLII SLIDE OUT PA1564 11...
Page 1224: ...Section 26 XLII SLIDE OUT PA1564 12 FIGURE 16 KEYLESS BUSHING INSTALLATION INSTRUCTION...