EXPLANATION OF COMPONENTS OPERATION ROOM LAMP SWITCH This switch (8) is used to turn on and off room lamp. ON position: Lamp lights up The room lamp lights up even when the starting switch key is at the OFF position, so be careful not to forget to turn the switch off. SWING LOCK OVERRIDE SWITCH This switch (9) is used to release the swing holding brake when the swing holding brake remains applied. NORMAL: For normal conditions, set to this position. OVERRIDE: When the swing holding brake remains applied, set to this position. It then becomes possible to swing. BRAKE SWITCH (EMERGENCY) CAUTION G Do not use the brake switch when the machine is traveling, except in emergencies.
If it is used fre- quently when the machine is traveling, the parking brake performance may be reduced. G If the brake switch is used in an emergency when the machine is traveling, always contact your Komatsu distributor to have the parking brake inspected. If the travel/stop lever is placed at the neutral position, the automatic travel parking brake is actuated after approx. 1.5 seconds. However, when stopping on slopes, to prevent the machine from moving down under its own weight before the automatic brake is applied, set the travel/stop lever to the neu- tral position, then turn the brake switch (10) to the ON position. ON position: Press the switch in to actuate the travel parking brake.
The travel, swing, and body controls are locked. When the switch is used, the brake switch indica- tor lamp lights up. CANCEL position: Turn the switch 75є to the right to cancel the switch. 3-14