Komatsu GD555-5 Operation & Maintenance Manual page 99

EXPLANATION OF COMPONENTS
MANUAL mode
Once the accelerator opening angle has been set, it is retained until the switch is turned OFF.
After the accelerator opening angle is set, if the accelerator pedal is depressed beyond the set opening angle, the
engine speed will rise.
If the accelerator pedal is released, the opening angle of the accelerator returns to the set opening angle.
The accelerator opening angle is not released even when the brake pedal is depressed.
Do not depress the brake pedal while the engine is set to run at high speeds.
Mode
Push front of RPM SET switch
Set
(SET/ACCEL)
Cancel Turn RPM SET mode selector switch OFF
1. Depress accelerator pedal
Temporary cancel
2. Depress brake pedal
Recovery from Press back of RPM SET switch
temporary release (RESUME/DECEL)
POWER MODE SELECTOR SWITCH
This switch (18) can be used to switch the engine output to match
the purpose of the operation.
When the P mode is selected, the P mode pilot lamp on the
machine monitor lights up.
Position (A): E mode (use this mode when operating or when
traveling on flat ground)
Position (B): P mode (use this mode when traveling at high speeds
or when travelling on uphill)
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WARNING
Auto mode Manual mode
Push front of RPM SET switch
(SET/ACCEL)
Turn RPM SET mode selector switch OFF
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OPERATION