Komatsu — 12.2 STARTING ENGINE

12. OPERATION 12.2.2 STARTING IN COLD WEATHER When starting in low temperatures, do as follows. a WARNING Never use starting aid fluids as they may cause explosions. NOTICE Do not keep the engine rotating for more than 20 seconds. If the engine does not start, wait for at least 2 minutes, then repeat Steps 2 and 3. AE081040 1. Move fuel control lever @ to a position midway between the engine stop position and the high idling position. Engine stop \ AE080240 2. Turn the key in the starting switch @to the HEAT position and hold it until heater signal @ glows red. The preheating times are as shown below. -10°C - -20°C Approx. 30 seconds Always use the correct preheating time.

If the preheating time is too long or too short, the engine will not start easily. 3. When heater signal @ glows red, turn the key in the starting switch @ to the START position and start the engine. REMARK After carrying out warming-up operation, travel at low speed and gradually apply the load. START AE077513 2-25