Komatsu — SWITCHES

. OPERATION EXPLANATION OF COMPONENTS STARTING SWITCH Use this starting switch (9) to start or stop the engine. When the key is inserted in the starting switch, it can be turned to the following positions. OFF position: In this position, the key can be inserted or removed. When it is turned to the OFF position, all the electrical systems on the machine are turned off and the engine stops. ON position: When the key is at the ON position, electricity flows in the charging circuit and lamp circuits. Keep the key at the ON position when the engine is running.

POWER MODE SELECTOR SWITCH Use this power mode selector switch (10) to set the travel system to the most economical travel setting to match the operating conditions. There are two power modes. (A): Economy mode (operations on level ground) Use this position when operating on level ground where high output power is not needed and when the emphasis is on reducing fuel consumption. (B): High power mode (general operations) Use this position for normal operating conditions. 3 - 41 When turning the starting switch key to the ON and OFF positions, if the key is he ld between th e ON an d OFF positions, the controller may dete ct a problem.

If this happens, turn the switch to the O FF position, t hen turn i t again to the ON position in the same w ay as for normal operations. In cold weather, if the key is tur ned to the ON position, depending on the engine w the machine monitor preheating pilot lamp may ater temperature, the engine preheater may be actuated and light up. Afte r comple tion of preheating, the preheating pilot l amp will go out. When it goes out, turn the key to th e START position to st art the engine. START position: Turn the key to this position to st art the engine. When the key is turned to the STAR T position, th e starting motor is actuated and starts cranking. When the engine starts, release the key.

The key will r eturn automatically to t he ON position. When portion (A) of the switch is pressed, the mode switches to the economy mode, the economy mode pilo t lamp on the machine monitor lights up , and the monitor lamp inside the switch also lights up. When portion (B) of the switch is pressed, the mode switches to the high power mod e, the power mode pilo t lamp on the machine monitor lights up , and the monitor lamp inside the switch goes out. When the head lamps are turned on, the icon inside portion (B) of the power mode s elector switch lights up