HP 4000 Maintenance & Service Guide HP Compaq 4000 Pro Small Form Factor B - Page 83

Hood Sensor

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Hood Sensor Description Hood sensor Spare part number 638816-001 The hood sensor is attached in a slot in the rear of the chassis. 1. Prepare the computer for disassembly (Preparation for Disassembly on page 40). 2. Remove the access panel (Computer Access Panel on page 41). 3. Unplug the sensor cable from the white system board connected labeled HSENSE. 4. Slide the hood sensor straight out of the notch in the chassis. NOTE: A flat blade screwdriver can be used to push the hood sensor out of the slot. Figure 6-44 Removing the hood sensor from the chassis fan To install the hood sensor, reverse the removal procedure. Hood Sensor 73

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Hood Sensor
Description
Spare part number
Hood sensor
638816-001
The hood sensor is attached in a slot in the rear of the chassis.
1.
Prepare the computer for disassembly (
Preparation for Disassembly
on page
40
).
2.
Remove the access panel (
Computer Access Panel
on page
41
).
3.
Unplug the sensor cable from the white system board connected labeled HSENSE.
4.
Slide the hood sensor straight out of the notch in the chassis.
NOTE:
A flat blade screwdriver can be used to push the hood sensor out of the slot.
Figure 6-44
Removing the hood sensor from the chassis fan
To install the hood sensor, reverse the removal procedure.
Hood Sensor
73