INSTRUMENTS AND CONTROLS 6 - Alternator warning light This warning light comes on when the ignition key is turned to posi- tion 1 and goes out as soon as the engine speed exceeds idling. If this warning light stays on even with the engine running above idling speed, the alternator is not working correctly and the battery is there- fore not being charged correctly. S00102 IMPORTANT If this warning light does not come on when the ignition key is turned to position « I », the alternator is faulty. 7 - Preheating warning light This warning light comes on when the ignition key is turned to position « I » to show that the glow-plugs are working.
It should go out after approximately 13 seconds to show that the engine is ready to start. S00103 13.1.3 PUSH-BUTTONS AND SWITCHES 8 - Horn switch This button is fitted to the knob of the right hand equipment control lever. Use it to warn persons in the vicinity when working with the excavator. S00116 9 - Cab blower rotary switch This rotary switch controls the two speed cab blower fan. If the cock in the left side of the engine compartment is opened, the fan blows in hot air and acts as cab heater. (See section 15.2 «VENTILATION AND HEATING».) S00111 10 - Work floodlight and dashboard lighting rotary switch This is a three position rotary switch ( OFF - 1 - 2 ). Pos.
1 ) Switches on dashboard lighting and dipped work floodlights Pos. 2 ) Switches on main beam work floodlights S00109 45