Komatsu — OPERATING YOUR MACHINE

OPERATING YOUR MACHINE AUTOMATIC WARMING-UP SYSTEM When the engine is started with the engine coolant temperature below 3o”C, even if the fuel control dial is at the low idling position, the engine speed is automatically set for the engine to run at a midrange speed to carry out automatic warming up. The automatic warming-up is canceled when the engine coolant tempera- ture is above 3o”C, or when 10 minutes have passed since starting. * Canceling automatic warming-up operation. It is becomes necessary in an emergency to lower the engine speed to low idling, cancel the automatic warming-up operation as follows. 1. Set the power mode to S mode or H mode. 2.

Turn the fuel control dial to the full speed (MAX) position and hold it for 3 seconds. 3. When the fuel control dial is returned to the low idling (MIN) position, the engine speed will drop. A: BEFORE STARTING THE ENGINE 1. Carry out an initial inspection. (For details of the inspection, see CHECK BEFORE STARTING.) 2. Is lock lever (1) in the LOCK position? (a): Free (b): Lock B: TO START THE ENGINE 1. Set fuel control dial (1) at the low idling (MIN) position. (a): Low idling. Turn starting key (2) to the START position. When the engine starts, return the key of starting switch key (2) to the ON position. (The key will return automatically when released).

If engine will not start, repeat the starting procedure after about 2 minutes. Do not leave the key in START for more than 20 seconds. Do not put the key in OFF position while the engine is running. To start engine in cold weather, refer to COLD WEATHER OPERATION. Special starting When starting after running out of fuel, fill with fuel, then fill the fuel fil- ter cartridge with fuel and bleed the air from the fuel system before starting. * For details of bleeding the air, see the section on replacement of the FUEL FILTER. - 56-