Autostart AS-2500 TW Owner's Manual download pdf (Page 170)

NORMAL OPERATION – DIESEL ENGINE

Observe the following when the engine is operating.

• All message center lights are off.

• Malfunction Indicator Light (MIL) is off.

• Engine oil pressure is above 10 psi (69 kPa) at idle.

• Voltmeter operation:

The voltmeter may show a gauge fluctuation at various

engine temperatures. This cycling operation is caused by

the post-heat cycle of the intake manifold heater system.

The number of cycles and the length of the cycling

operation is controlled by the engine control module.

Post-heat operation can run for several minutes, and then

the electrical system and voltmeter needle will stabilize.

The cycling action will cause temporary dimming of the

headlamps, interior lamps, and also a noticeable reduc-

tion in blower motor speed.

Cold Weather Precautions

Operation in ambient temperature below 32°F (0°C) may

require special considerations. The following charts sug-

gest these options:

Fuel Operating Range

NOTE: Use “Ultra Low Sulfur Diesel Fuels” ONLY.

*No. 1 Ultra Low Sulfur Diesel Fuel should only be used

where extended arctic conditions (-10°F/-23°C) exist.

168 STARTING AND OPERATING

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Autostart AS-2500 TW Owner's Manual Page 170