. OPERATION EXPLANATION OF COMPONENTS Regardless of the position of the switch, when the differential lock is pilot lamp lights up. 3 - 36 AISS LOW SWITCH Using this switch between AUTO a nd LOW. Use each positio n as follows. (a): AUTO positio If the switch is at AUTO position: g the machine, if the parking brake or retarder ated, the idling is automatically adjusted to low starting the machine, if the parking brake is dling is automatically adjusted to high-speed. When stoppin retarder brake are oper speed; when canceled, the i ated, the idling is automat ically adjuste d to low starting the machine, if t he parking brake dling is automatically adjus ted to high-speed.
The water tem perature is detected, and w hen it is at lo w temperature, the idle is automatically adjusted to high speed to reduc e the warming-up time. When working at night, the symbol inside th e switch light s up r egardless of the selected p osition of th e switc INTER-AXLE DIFFERENTIAL LOCK SWITCH This switch (10) c an be used to switch the a ctuating conditions for the inter-axle diffe rential lock. When this switch is pressed, the system is s witched to M ANUAL. When the switch is not pressed or is pressed to return it, the d to AUTO. the system is switche AUTO: The slippa ge of the front axle is detec ted and the in ter-axle differentia l lock is automatically actu ated. MANUAL:
When the gear shift lever is at the F3, F2, F1, N , R1 , or R2 pos ition, the inter-axle differe ntial lock is ac tuated. lock is actuated, the differenti al lock When working at night, the symbol inside th e switch light s up r egardless of the selected p osition of th e switc For details when using the differential lock, see "OPERATION USING DIFFERENTIAL L OCK (PAGE 3-101