Autostart AS-2500 TW Owner's Manual download pdf (Page 174)

Idle-Up Feature – Automatic Transmission Only

The driver-controlled high idle speed feature will help

increase cylinder temperatures and provide additional

cab heat, however, excessive idling may still cause the

exhaust aftertreatment system to not properly regenerate.

Extended periods of idle time should be avoided.

The Idle-Up feature uses the speed control switches to

increase engine idle speed and quickly warm the vehi-

cle’s interior.

1. With the transmission in PARK, the parking brake

applied, and the engine running, press the speed

control switch to the ON position, then press the SET

switch.

2. The engine RPM will go up to 1100 RPM. To increase

the RPM, press and hold the ACCEL/RESUME switch

and the idle speed will increase to approximately 1500

RPM. To decrease the RPM, press and hold the DECEL

switch and the idle speed will decrease to approxi-

mately 1100 RPM.

3. To cancel the Idle–Up feature, either press the CAN-

CEL switch, press the ON/OFF switch, or press the

brake pedal.

Stopping The Engine

Idle the engine a few minutes before routine shutdown.

After full load operation, idle the engine three to five

minutes before shutting it down. This idle period will

allow the lubricating oil and coolant to carry excess heat

away from the combustion chamber, bearings, internal

components, and turbocharger. This is especially impor-

tant for turbocharged, charge air-cooled engines.

172 STARTING AND OPERATING

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Autostart AS-2500 TW Owner's Manual Page 174