. OPERATION EXPLANATION OF COMPONENTS HAZARD LAMP SWITCH WARNING Use the hazard lamp only in emergencies. Using the hazard lamp when traveling may cause confusion for other machine operators. (A) lights up at the same time. PARKING BRAKE SWITCH WARNING The parking brake is released. 3 - 41 Thi s switch (8) is used in eme rgencies, such as when the machine breaks down and has to be p ON position: All turn signal la REMARK When this switch is turned to the ON position, the turn direction indicator lamps and turn indica tor pilot lamp flash, and display lamp Always apply the parking brake w hen leaving the machine or when parking it.
Eve n if the parking brake switch i s turned ON, there is danger until th e parking brake pilot lamp lights up, so keep the brake pedal depressed. NOTICE Do not use the parking brake switch to apply the brake when traveling except in emergencies. The parking brake may be s accident. Stop the machine first, then apply the parking brake. D d amaged, resulting in a seriou s accident. Stop the machine first, then apply the parking brake. If the parking brake has to be used as an emergency brake whe n the machine is traveling at hig h speed, ask your Komatsu d istributor to carry out inspec tion to check that there is no dama ge to Thi s switch (9) operates the p Position (a):
ON The parking brak pilot lamp lights Position (b): OFF REMARK applied, the machine will not move off even if the directional lever is operated. When the parking brake is applied, the machine will not m ove off even if the directiona I f the directional lever is pla ced at the F or R position with th e parking brake still applied, the central warning lamp will light up and the buzzer will sound. turn the parking brake switch ON, then turn it OFF again. Before starting the engine, turn the parking brake switch ON, t