HP Pro 3500 Micro Maintenance & Service Guide Pro 3400 3405 3410 3500 3505 - Page 126

Fan Sink

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Fan Sink Description Fan sink Spare part number 657402-001 The fan sink is secured atop the processor with four captive Torx screws. A fan cable connects to the system board. 1. Prepare the computer for disassembly (Preparation for Disassembly on page 87). 2. Remove the access panel (Access Panel on page 88). 3. Loosen the four captive screws that secure the fan sink to the system board tray. CAUTION: Fan sink retaining screws should be removed in diagonally opposite pairs (as in an X) to even the downward forces on the processor. This is especially important as the pins on the socket are very fragile and any damage to them may require replacing the system board. 116 Chapter 8 Removal and Replacement Procedures - Small Form Factor (SFF) Chassis

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Fan Sink
Description
Spare part number
Fan sink
657402-001
The fan sink is secured atop the processor with four captive Torx screws. A fan cable connects to the
system board.
1.
Prepare the computer for disassembly (
Preparation for Disassembly
on page
87
).
2.
Remove the access panel (
Access Panel
on page
88
).
3.
Loosen the four captive screws that secure the fan sink to the system board tray.
CAUTION:
Fan sink retaining screws should be removed in diagonally opposite pairs (as in an
X) to even the downward forces on the processor. This is especially important as the pins on the
socket are very fragile and any damage to them may require replacing the system board.
116
Chapter 8
Removal and Replacement Procedures – Small Form Factor (SFF) Chassis