HP 4000 Maintenance & Service Guide HP Compaq 4000 Pro Small Form Factor B - Page 82

Front Fan Assembly

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Front Fan Assembly Description Front fan assembly Spare part number 636922-001 The front fan assembly is attached to the front 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. Remove the front bezel (Front Bezel on page 42). 4. Remove the baffle (Baffle on page 71). 5. Disconnect the fan cable from the red/brown system board connector labeled CHFAN1. 6. Press the two tabs (left, bottom) that secure the fan assembly to the chassis front. Figure 6-42 Front fan tab locations 7. Pull the assembly toward the rear of the unit, and then lift it out of the chassis. Figure 6-43 Removing the front fan To install the front fan, reverse the removal procedure. Be sure to orient the air flow into the unit. 72 Chapter 6 Removal and Replacement Procedures Small Form Factor (SFF) Chassis

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Front Fan Assembly
Description
Spare part number
Front fan assembly
636922-001
The front fan assembly is attached to the front 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.
Remove the front bezel (
Front Bezel
on page
42
).
4.
Remove the baffle (
Baffle
on page
71
).
5.
Disconnect the fan cable from the red/brown system board connector labeled CHFAN1.
6.
Press the two tabs (left, bottom) that secure the fan assembly to the chassis front.
Figure 6-42
Front fan tab locations
7.
Pull the assembly toward the rear of the unit, and then lift it out of the chassis.
Figure 6-43
Removing the front fan
To install the front fan, reverse the removal procedure. Be sure to orient the air flow into the unit.
72
Chapter 6
Removal and Replacement Procedures Small Form Factor (SFF) Chassis