Komatsu D475A-5E0 Operation & Maintenance Manual page 75

Bulldozer
Hide thumbs Also See for D475A-5E0:
Table of Contents

Advertisement

OPERATION
EXPLANATION OF COMPONENTS
REAR LAMP SWITCH
Switch (4) lights up the rear lamp.
(a) OFF position: Goes out
(b) ON position: Lights up
FAN ROTATION SELECTOR SWITCH
Set this switch (5) to the (b) CLN position to select the clean mode
for the fan.
When the switch is released, it returns automatically to the (a)
position.
When the clean mode is selected, the fan reversal lamp lights up.
When the clean mode is being used, turn the switch (5) to the right
to return to the normal mode. The fan reversal lamp goes out.
The clean mode is used to blow dust and dirt off the radiator fins. In this mode, the cooling fan rotates at the fullest
speed.
When operating the cooling fan rotation selector switch, turn the engine starting switch key to OFF position to make
sure that the engine is not running.
REMARK
The cooling fan rotation selector switch does not work when it is operated while the engine is running.
In that case, the fan rotation selection impossibility lamp flashes to indicate that the fan rotation cannot be changed.
The cooling fan rotation selector switch returns to the normal mode, when the engine stops or when the engine
starting switch key is turned to OFF position.
For cleaning procedures, see"CLEAN AND CHECK RADIATOR FINS, OIL COOLER FINS, AFTERCOOLER FINS
(PAGE 4-37)".
AUTO SHIFT DOWN SWITCH
If switch (6) is turned to the right when the travel speed has gone
down because of load condition when traveling, the transmission
is automatically shifted to low speed.
Position (a) (OFF): Auto shift down is canceled
Position (b) (ON): Transmission automatically shifts to low speed
For details, see "AUTO SHIFT DOWN OPERATION (PAGE
3-132)".
3 - 22

Advertisement

Table of Contents
loading

Table of Contents