Ai Function Layout; Operating Chart - Kubota KX91-3a Workshop Manual

WSM Minor Change

3. AI function layout

Acceleration
sensor signal
AI pressure switch signal
Switch operating pressure
2
25 3 kgf/cm
ON OFF
20 3 kgf/cm 2
Auto idle
pressure switch
Accelerator
lever position
Engine speed
Idle
(1) The idling speed can be achieved 4 seconds after the control lever is set to neutral.
(2) The initial speed is resumed just after the control lever is moved.
(3) The speed remains the same if the control lever is kept at neutral for 2 seconds.
(4) When the safety lock laver is liffted up, engine speed gose down to idle rpm.
Electric accelerator
AI controller
C7
CPU
B1
C5 C6
Output
Governor position data
Engine speed data
<Operating chart>
Activated
Neutral
4 sec.
A2
A3
AI motor
Pull cable
2 sec.
II-146
II Service Engineering Section
Governor sensor
Engine
Governor
lever
Engine speed sensor
Time (sec.)