Komatsu D475A-5E0 Operation & Maintenance Manual page 72

Bulldozer
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OPERATION
EXPLANATION OF COMPONENTS
LOCK UP MODE SWITCH
Switch (1) is used when more power is needed rather than high
production (such as when dozing loose soil).
The drive is switched between torque converter drive and direct
drive according to the load. When it is ON, the lamp lights up.
ECONOMY MODE SWITCH
Switch (2) is used for hauling work after ripping or for dozing
blasted rock.
When the system is OFF, if the switch is pressed once, mode [1]
lights up, and if it is pressed again, mode [2] lights up.
Select the mode according to the type of rock.
REVERSE SLOW MODE SELECTOR SWITCH
Switch (3) is used to make small reductions in the travel speed
when traveling in R1, R2, or R3.
When it is turned ON, the lamp lights up.
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