Dell PowerEdge C6145 Hardware Owner's Manual page 147

Figure 3-41. Removing and Installing the Sensor-Board Assembly
1 sensor-board assembly
10 Remove the screw that secures the sensor board to the sensor-board
holder. See Figure 3-42.
11 Remove the sensor board from sensor-board holder. See Figure 3-42.
Figure 3-42. Removing and Installing the Sensor Board
1 screw
2 screw (2)
2 sensor board
Installing System Components | 147