PLATE AS 3186476 - Caterpillar

Illustration 1 g00804672
Open the access door on the left side of the machine.To check the condition of the engine air filter service indicator, try resetting the service indicator. Less than three pushes of the reset button should be required to reset the service indicator.Next, check the movement of the yellow piston in the service indicator. Start the engine and accelerate the engine to high idle for a few seconds. After the throttle control pedal is released, the yellow piston should remain at the highest position that was achieved during acceleration.If either of these conditions are not met, replace the service indicator.