. OPERATION EXPLANATION OF COMPONENTS PARKING BRAKE SWITCH WARNING When parking or leaving the machine, always apply the parking brake. AISS LOW SWITCH 3 - 34 NOTICE During loading operations, do not apply the parking brake. Apply the retarde r brake. When the switch is set to the P ARKING position, the parking brake PARKING position, if the shift lever , the central warning lamp will flash nd. ator goes below 5.4 MPa (55 kgf/cm2, 781 PSI), the emergency brake and parking pilot lamp lights up.
When the switch is set to the is at any position other than N and the alarm buzzer will sou If the pressure in the accumul ator goes below 5.4 MPa (55 kgf/cm2, the emergency brak rking brake are automatically applie d. For details of the method of releasi ng the brake, s ee "WHEN PARKING BR AKE HAS BEEN ACTUATED IN E MERGENCY (PAGE 3-121)". When working at night, the sy mbol inside the switch lights up regard less of the selected p ositio n of t he switc REMARK If t he engine is stopped with th e parking brake switch at TRAVEL, the parkin g brake will be appli ed even thoug h the switch is at TRAVEL.
In this c ase, start the engine again, operate th e switc h to PARKING , and then move it back to TRAVEL to cancel the park ing brake. If the switch is at AUTO positi on: e, if the parking brake or retarder ng is automatically adjusted to low machine, if the parking brake is matically adjusted to high-speed. When stopping the machin brake are operated, the idli speed; when starting the canceled, the idling is auto The water temperature is d etected, and when it is at low temperatu re, the idling i s automatica lly adjusted to high speed to reduce the warmi ng-up time. When working at night, the sy mbol inside the switch lights up regard less of the selected p ositio n of t he switc