MAINTENANCE PRIOR TO START 24.6 CHECKING THE CONTROLS 1 - Turn the start switch to the operating position 'I'. An alarm buzzer sounds until the machine is started. 2 - Check that the following alarm and control indicators are on until the engine is started: Charging current (1) Engine oil level (2) Parking brake (3) Intake air preheater (4) 3 - Check that the fuel level indicator (5) indicates the fuel level in the fuel tank. P I 0 II 75_209 145 1 2 3 4 5 75 212 _ 1 2 3 4 5 75 21