shown in figure 7-96. Figure 7-96 Disconnecting Laser Scanner’s and Fan’s Power Cable 4 Remove the screw shown in figure 7-97. Figure 7-97 Removing the Intermediate PCB’s screw 5 Disconnect the ribbon cable shown in figure 7-98. Do not pull the ribbon cable out of the frame if the engine controller assembly is also C4170-90959 Parts Removal Tree 223