Lennox Hearth AX45Q - Manual (Page 22)

AX45Q
22 AX45Q User’s Manual
1.6.3 Uninstalling the CPU Heatsink and Fan
To uninstall the CPU heatsink and fan:
1. Disconnect the CPU fan cable from the
connector on the motherboard.
2. Rotate each fastener counterclockwise.
3. Pull up two fasteners at a time
in a diagonal sequence to
disengage the heatsink and
fan assembly from the
motherboard
4. Carefully remove the heatsink and fan
assembly from the motherboard.