INSTRUMENTS AND CONTROLS DUST INDICATOR CIRCUIT BREAKER (MAIN) SAFETY BAR This device indicates clogging of the air cleaner element. When red piston (I ) appears in the transparent part of this indicator, the element is clogged. immediately clean element. After cleaning, push indicator button (2) to return red piston to original position. This prevents damage to the electrical components and electric wiring. The safety bar is used during maintenance or when transporting the machine. It locks the front frame and rear frame, and prevents the front and rear frames from bending. When the breaker has been actuated, press the reset button to reset the system.
However, if the cir- cuit breaker is actuated again after the button is pressed, or the circuit breaker is frequently actuated, there may be a short circuit in the electri- cal system. In such cases, contact your Komatsu distributor for repairs. * The main breaker is not reset for 45 seconds after the breaker is actuated. A Always use the safety bar for maintenance or when trans- porting the machine. A Always remove the safety bar during normal travel operations. There are two dust indicators on the front of the engine hood behind the cab. ww -02026 - 29 -