Komatsu PC30MR-5 Operation & Maintenance Manual page 124

EXPLANATION OF COMPONENTS
TRAVEL SPEED SELECTOR SWITCH
• When loading to or unloading onto/from a trailer, always drive the machine at low speed (set it to
Lo), and never operate the travel speed selector switch during travel.
• If the travel speed is switched between high-speed and low-speed while the machine is traveling,
the machine may deviate to one side, even when traveling in a straight line.
Stop the machine before switching the travel mode.
Switch the travel mode after starting the engine.
Travel speed selector switch is used to switch the travel mode.
Lo display
Low-speed travel
Hi display
High-speed travel
When the starting switch key is turned to ON position, the
speed mode is automatically set to low-speed travel (Lo).
Each time the travel speed selector switch is pressed, travel
mode changes repeatedly as Lo → Hi → Lo.
Check the travel mode setting at travel speed display on the
machine monitor.
While traveling in high-speed travel (Hi), if the traction force is
needed in soft ground or on a slope, travel speed automatically
changes to low-speed travel (Lo), although high-speed travel
(Hi) is lit in travel speed display.
WIPER SWITCH
(Machine with cab specification)
• Do not keep pressing it for 10 seconds or more at the position of injecting washer fluid.
• Do not press it at the position of injecting washer fluid when the washer tank is empty.
Wiper switch actuates the wiper at the front window glass.
(a) Stop position
The wiper stops.
(b) Wiper and washer position
The wiper operates.
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WARNING
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CAUTION
WENAM00150
OPERATION