INSTRUMENTS AND CONTROLS 3 - ENGINE COOLANT TEMPERATURE INDICA- TOR It indicates the engine coolant temperature, which normally must be included between 80 and 85°C. 10 15 20 5 25 30 RPM x 100 electronic RWA02640 3 4 - AIR CLEANER CLOGGING WARNING LIGHT This warning light comes on when the engine air filter needs cleaning. 5 - ENGINE OIL PRESSURE WARNING LIGHT 4 5 6 7 This warning light comes on, together with the acoustic alarm, when the engine is not running and the starting circuit is operat- ed and goes out as soon as the engine lubrication circuit is pres- surized.
If it does not go out or comes on when the engine is running, stop the machine immediately and try to find the cause of the failure. 6 7 10 15 20 5 25 30 RPM x 100 electronic 6 - GLOW PLUG PREHEATING WARNING LIGHT 4 5 It comes on when the ignition key is turned to position « » for the cold start of the engine (see “3.6.2.2 STARTING WITH COLD ENGINE OR IN COLD CLIMATES”).
RWA02650 7 - GENERATOR WARNING LIGHT 67 This warning light comes on, together with the acoustic alarm, when the starting circuit is energized and goes out when the en- gine exceeds the idling rpm; if this warning light remains on even when the engine is running at the normal operating speed, this means that the alternator is not working and the battery is not charged correctly. IMPORTANT • If the warning light does not come on when the ignition key is turned to position “I”, this means that the alternator is faulty or broken; in this case the engine does not start even if the gears are in neutral.