12. OPERATION 6. When preheating switch 4 is turned ON, preheating pilot lamp 5 will also light up, and preheating will automatically start. 7. Keep in this condition until preheating pilot lamp 5 goes out. (Preheating is completed after approx. 12 seconds, and the lamp goes out.) 8. When preheating pilot lamp 5 goes off, turn the starting switch key to the START position and start the engine. OFF ON START 9. When engine is started, release the key of starting switch 2 and the key will return automatically to ON. OFF ON START 10. When the engine runs smoothly and the color of exhaust gas becomes normal, put preheating switch 4 in the OFF position. 2-50