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Navistar WorkStar 7400 - Page 56

Navistar WorkStar 7400
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Controls/Features
Item
No.
Item Description
29 Engine Oil Pressure Gauge: Indicates
engine oil pressure. If the needle falls
below the normal range (20–65 psi) at
normal operating temperature, stop the
vehicle as soon as safely possible, and
check the engine oil level. Add oil if
needed. If the oil level is correct, have
your vehicle checked by a qualied
technician.
The warning indicator indicates low
engine oil.
30 Tachometer: Indicates the engine
speed in revolutions per minute.
31 Speedometer: Indicates vehicle speed.
Item
No.
Item Description
32 Fuel Level Gauge: Indicates the
approximate fuel level in the fuel tank. If
your vehicle is equipped with dual fuel
tanks, the fuel gauge reads the fuel level
only from the primary (draw) fuel tank.
When the fuel level reaches 1/8 full, the
gauge warning indicator will illuminate
and an audible alarm will sound (5
beeps).
(Optional) Special fuel warning: the
warning indicator will light when gauge
falls below 1/3, and alarm continuously
whenbelow1/10(closeto”E).
33 Battery Voltage Gauge: Indicates the
voltage when the key is in the ON or
ACCESSORY position.
The warning indicator illuminates when
the battery voltage is too high or low.
44 3879634R1

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