Electrical Systems
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5•164
EXECUTIVE
1. Air Pressure:
This indicates the air pressure in the front and rear air brake system. The
normal air system operating pressure is 90 to 120 psi. These pressures are
preset at the factory. If problems occur with either system maintaining
sufficient pressure, contact your dealer immediately.
NOTE: It is not safe to drive a motorhome with low air pres-
sure. Damage could occur to the suspension and drive line.
2. Voltmeter:
This gauge shows the charge condition in the chassis battery. The normal
voltage with the ignition switch ON and the engine OFF varies between
12.0 and 13 Volts. With the engine operating, and not a heavy load, the
battery charging voltage is about 14.0 Volts. Battery readings of less than
10.5, or more than 15 Volts, usually indicate a battery or electrical system
problem.
3. Turbo Boost:
Indicates boost pressure produced by engine turbocharger.