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Peterbilt 387 - Page 42

Peterbilt 387
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GAUGES PART 4: CONTROLS AND DISPLAYS
– 44 – Y53-6007 (R10/06)
WARNING! The air pressure warning light and
the audible alarm indicate a dangerous situa-
tion. There is not enough air pressure in the
reservoirs for repeated braking and the brake
system has failed. If air pressure falls
below
60 psi (414 kPa) the spring brakes could sud-
denly apply, causing a wheel lockup, loss of
control, or your vehicle to be overtaken by fol
-
lowing vehicles. You could be in an accident
and severely injured. If these alarms come on
while you are driving, bring your vehicle to a
safe stop right away. If the light and alarm do
not turn off at start-up, do not try to drive the
vehicle until the problem is found and fixed.
Engine Oil Pressure Gauge
11241A
It is important to maintain oil pressure within acceptable
limits. Your engine manual will give you normal operating
pressures for your particular engine.
CAUTION: Continuing to operate your vehicle
with in-sufficient oil pressure will cause seri-
ous engine damage.
If your oil pressure fails to rise within 10 seconds after
your engine starts, stop the engine and determine the
cause.

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