. 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. Position (A): Turn signal lamps, turn signal pilot lamp flash, and pilot lamp (C) lights up at same time. Position (B): Lamps are OFF. PARKING BRAKE SWITCH WARNING The parking brake is released. 3 - 44 Thi s switch (8) is used in emer gencies, such as when the machine breaks down and has to be pa Always apply the parking brake w hen leaving the machine or when parking i t.
Eve n if the parking brake switch is turned ON, there is danger until th e parkin g brake pilot lamp lig hts up, so keep the br ake 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 aveling except in emergenc d amaged, resulting in a seriou s accident.
Stop the machine first, then apply the parking brak If the parking brake has to be used as an emergency brake when the machine is traveling at high speed, ask your Komatsu d istributor to carry out inspect ion to check that there is no dama ge to the Thi s switch (9) operates the p Position (A): ON The parking brak pilot lamp lights u 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 directi onal lever is operat I f the directional lever is pla ced at the F or R position with th e parking brake still appli ed, the central warn ing lamp will light up and the buzzer will sound. turn the parking brake switch ON. Before starting the engine, turn the parking brake switch