OPERATION EMERGENCY STOP WARNING SYSTEM If any abnormality occurs in the (Emergency Stop Warning System), an audible alarm will sound intermittently. The lamp for the location of the abnormality will light up also. If any of these lamps are illuminated during operation of the machine, park the machine in a safe location, lower the work equipment, set the parking brake and shut the engine “OFF”. Contact your local Komatsu Dealer for repairs.Do not operate the machine until repairs have been made. 1. Brake oil pressure caution lamp 2. Engine oil pressure caution lamp 3. Battery charge circuit caution lamp 4.
Steering oil pressure caution lamp BRAKE PRESSURE WARNING LAMP Lamp (1) monitors the brake oil pressure. If the brake oil pressure goes below the specified set value, the brake oil pressure warning lamp as well as the central warning lamp will light up and the alarm buzzer will sound. At this point stop the machine immediately and do not operate it until repairs have been made. During checks before starting (ignition switch in the ““ON”” position, engine stopped) the lamps should be illuminated, and when the engine is running, these lamps should go out. WA480-5L 2-15