Komatsu — Starting in cold weather

Operation 3.3 Operation 2. Depress accelerator pedal (3). 3. When preheating pilot lamp (2) goes out, turn the key in starting switch (1) to the START position. OFF Keep the key in starting switch (1) at the START position to keep the starting motor running until the engine starts. ON 4. The starting motor will continue to turn and the engine will start. 5. Method of starting engine in temperatures of approx. -20°C (-4°F). START GK032192 6. Keep the engine starting motor running for the max. 20 sec- onds, holding the key of engine starting switch (1) in the START position, until the engine starts up. 7.

If the engine fails to start up even after running the engine starting motor for about 20 seconds, stop the engine starting motor once (release the engine starting switch key), and try the same process again after a pause for a minute or so. 8. If the engine still fails to start up after the second attempt, try the same process for the third time after a pause for a minute or so. 9. When the engine has started up and the engine speed rises, release the key of engine starting switch (1). The key will automatically return to the ON position. OFF ON 10. Keep stepping on accelerator pedal (3) until the engine is fully running.

START REMARK Keep the accelerator pedal depressed after the engine starts up, until engine warming-up run is finished. Do not step on the pedal to the full stroke. GK032193 WA150-5H – VEAM934100 3-71 GK032191 GK032191