CHAPTER
4
P/N 016-5032-164 Rev. A
11
CHAPTER 4
CAB COMPONENT
INSTALLATION
INSTALL THE HYDRAULIC DRIVE UNIT (HDU)
1. Lift the instructional seat cushion.
FIGURE 1. HDU Installed
2. Remove the hardware used to secure the machine’s existing electronic control unit (ECU) to the wall of the
instructional seat.
3. Install the HDU to the HDU mounting bracket (P/N 107-0172-578) using two 1/4”-20 UNC flanged lock nuts (P/
N 312-1001-168).
4. Align the holes in the machine’s ECU with the remaining holes in the HDU mounting bracket and insert the ECU
mounting hardware that was removed in step 2.
5. Align the HDU mounting bracket with the existing ECU holes in instructional seat wall.
6. Tighten the mounting hardware to secure the mounting bracket to the instructional seat wall.
INSTALL THE SC1 UNIT
1. Locate the instruction seat in the cab.
