1. In operation, when the pilot pressure from the hand and pedal control
levers does not act for 1 sec, if the position of the throttle
potentiometer is higher than 1050 rpm, the auto accel actuates
automatically and the engine speed returns to 1050 rpm.
2. When the throttle potentiometer is positioned lower than the auto
accel speed, the engine speed is maintained to the throttle
potentiometer position.
Proportional auto acceleration function:
With the attachment, swing, travel control lever or control pedal
operation, the engine speed returns to the accel dial set position
gradually according to the respective operating pilot valve movement.