34
7.2.3
Oil Pressure Sensor Adjustment
Olny after position sensor adjustment passed, it’s allowed to do ‘Oil Pressure Sensor
Adjustment’.
Press key
【
Pause
】
to enter Pause state with red sign ‘
■
’ displaying.
Make sure the bucket of wheel loader is empty.
BUCKET-UP: Flip the bucket upward to the limit position.
ARM-DOWN: Put the lift-arm down so that the bucket goes down to the lowest position.
Press key
【
Load
】
to display the blue sign ‘▲’.
Press key
【
Disp
】
to display
‘
Oil Pressure Sensor Adjustment Interface B
’:
Lift the lift-arm and bucket with idle speed.
After the
Magnet Block
passed by the Weighing Segment, display NET, AD
LC-UP
, AD
LC-DN
and
ΔAD value.
If AD2 Value is far greater than AD1 Value, then it means that the oil pressure sensors are
connected correctly.
Repeat the above steps for three times, if ΔAD Value is stable, the adjustment process will be
completed.
NET: Single-Bucket-Loading-Weight without Acceleration Compensation.
LC-UP: Oil Pressure Signal Average AD Value in Weighing Segments from ‘LC-UP’.
LC-DN: Oil Pressure Signal Average AD Value in Weighing Segments from ‘LC-DN’.
ΔAD = AD
LC-DN
-
AD
LC-UP
.
Note: Weighing Segment is the space between Lower Proximity Switch and Upper Proximity
Switch. It’s divided into Lower Weighing Segment, Medium Weighing Segment and Upper
Weighing Segment.