ABS Warning Light
The ABS will perform a diagnostic indicator lamp check and self diagnostic
test each time the ignition is switched to the on position. The ABS dash indicator
light will illuminate momentarily(2.2 seconds) verifying the self check test. If the
ABS indicator light remains on or illuminates while the motorhome is being operat-
ed, it is indicating there is a fault in the antilock brake system only. This fault will
not affect normal service braking. The motorhome will need to go to a service cen-
ter to repair the problem.
ABS Blink Code
The ABS dash indicator light can be used to obtain system faults by displaying a
blink code.
To retrieve blink code(s):
• Turn ignition key to the ON position.
• Using Systems Diagnostic Center located left of steering column below dash
board, depress and hold test button for three seconds.Indicator light will illu-
minate while test button is depressed.
• After releasing test button, indicator lamp will turn off, then blink code will be
displayed:
• 1-1 will indicate no system faults.
The park and emergency brake systems are combined and apply to the rear drive
axle only. These are called spring brakes. When the park brake is applied, air is
released from the rear brake chambers. This allows the large spring in each rear
brake chamber to manually push against the automatic slack adjuster. This rotates
the S-cam applying the brake shoes against the drum. With the air system charged
above 35 psi, this is approximately the point at which the park brake will remain
released. Pushing down on the park brake handle charges the rear brake chambers
with air pressure. This overrides the emergency brake springs releasing the brakes.
In the event of air loss while the vehicle is under operation, the park brake will
automatically apply. This occurs at approximately 30 psi. This acts as an automatic
emergency brake system. When preparing to depart, allow the air system to achieve
full air pressure. This is indicated by the air gauge needles. Listen for the air dryer
to purge, indicating full air pressure has been obtained and air dryer is functioning.
Look and listen for any abnormalities. Abnormal air pressure readings by either nee-
dle of the air gauge should alert the operator. Have the air system checked to avoid
an untimely failure. Should a failure occur in the air system not allowing the air
pressure to build, it may become necessary to “cage” the spring brakes. This is an
emergency procedure only. Caging the rear air brake chambers manually overrides
the spring brakes allowing the vehicle to move. This procedure does not affect nor-
mal service braking.
NOTE: Park illumination lamp may remain lit even when park brake is
released. System air pressure must be above 65 psi to cancel park lamp.
Chassis Information
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E X E C U T I V E
7 • 2 1 2
Park &
Emergency
Brake
System
Содержание Executive 2001
Страница 1: ......
Страница 6: ...E X E C U T I V E SECTION 1 WARRANTY INFORMATION...
Страница 7: ......
Страница 22: ...E X E C U T I V E SECTION 2 OPERATING SAFETY...
Страница 23: ......
Страница 46: ...E X E C U T I V E SECTION 3 APPLIANCES EQUIPMENT...
Страница 47: ......
Страница 106: ...E X E C U T I V E CHAPTER 4 WATER LP GAS SYSTEMS...
Страница 107: ......
Страница 129: ...Water LP Gas Systems EXECUTIVE 4 1 2 9 NOTES...
Страница 130: ...E X E C U T I V E SECTION 5 ELECTRICAL SYSTEMS...
Страница 131: ......
Страница 177: ...Electrical Systems 5 1 7 7 EXECUTIVE N NO OT TE ES S...
Страница 178: ...E X E C U T I V E SECTION 6 UNIT CARE MAINTENANCE...
Страница 179: ......
Страница 203: ...Unit Care Maintenance EXECUTIVE 6 2 0 3 NOTES...
Страница 204: ...E X E C U T I V E SECTION 7 CHASSIS INFORMATION...
Страница 205: ......
Страница 264: ...Chassis Information EXECUTIVE 7 2 6 4 NOTES...
Страница 269: ...Chassis Information EXECUTIVE 7 2 6 9 NOTES...