HANDLE OVERLOAD SPEED LIMIT FUNCTION
WARNING
If the alarm buzzer sounds due to a failure while the overload speed limit function is enabled, stop the
machine on a level ground with the brake pedal or the 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 overload speed limit function is used to control the travel speed automatically so that it does not exceed the
set speed when the payload becomes overload.
Explanation of components
(1) Overload caution lamp
(2) Overspeed caution lamp
(3) Retarder pilot lamp
Overload caution lamp
The overload caution lamp warns about the overload when the overload speed limit function is enabled.
Overspeed caution lamp
The overspeed caution lamp warns about the overspeed of the travel speed while the overload speed limit func-
tion is actuated.
Retarder pilot lamp
The retarder pilot lamp lights up while the retarder is being actuated by the speed limit function.
OPERATION OF OVERLOAD SPEED LIMIT FUNCTION
The overload speed limit function judges the load if it is overloaded after the machine starts traveling when the
loading has been completed.
The overload speed limit function judges the load as overloaded this time, the alarm buzzer sounds, the over-
load pilot lamp lights up, and the overload speed limit function is actuated.
The overload speed limit function automatically controls the engine and the retarder so that the travel speed
does not exceed 15 km/h.
The alarm buzzer, message, and the control of the overload speed limit function will not be canceled until the
load is dumped.
OPERATION MACHINE OPERATIONS AND CONTROLS
3-195
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