HANDLE SPEED LIMIT FUNCTION
WARNING
If the alarm buzzer sounds due to a failure while the speed limit function is enabled, stop the machine
on a level ground with the brake pedal or retarder control lever.
If the speed limit function cannot be controlled due to a trouble in the system, it may lead to serious
injury or death.
The speed limit function can control the travel speed automatically to the speed that has been set beforehand,
regardless of the grade of the road or the loaded condition of the machine.
Explanation of components
(1) Overspeed caution lamp
(2) Speed limit function pilot lamp
(3) Retarder pilot lamp
Overspeed caution lamp
The overspeed caution lamp warns about the overspeed of the travel speed while the speed limit function is
actuated.
Speed limit function pilot lamp
The speed limit function pilot lamp lights up while the travel speed of the machine is limited by speed limit func-
tion.
Retarder pilot lamp
The retarder pilot lamp lights up while the retarder is being operated by the speed limit function.
OPERATION OF SPEED LIMIT FUNCTION
WARNING
Change the speed limit when the fuel consumption becomes worse or any phenomena such as gear
shift hunting occur while the speed limit function is enabled.
The speed limit function automatically controls the engine and retarder so that the travel speed does not exceed
the speed limit which has been set when the travel speed is reaching the speed limit.
ATTACHMENTS AND OPTIONS HANDLE SPEED LIMIT FUNCTION
6-5
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