Trimble GCS900 - Using the bucket focus as the reference elevation

9 2D system measurements
3. Measure from the intersection point K to the bucket teeth J:
a. Hold the level at the center of the bucket tilt axis.
b. Hang a plumb line from the level down to the bucket teeth.
c. Measure the plumb line from the edge of the level to the bucket teeth:
9.9.5 Cat PSC measurements
Note – This measurement is required for machines configured with Cat Bucket PSC
support.
Position the bucket at half curl and measure from the:
l stick pin C to linkage pin D
l linkage pin D to linkage pin E (for 3 point idler arm only)
9.10 Machine body measurements
The Machine width and Height of boom pin above ground measurements are not
critical; they enable the system to display the machine icon correctly.
100 GCS900 GradeControl System for Excavators Installation Manual