Removing The Chassis Bulkhead - Lenovo Flex System x440 Compute Node Installation And Service Manual

If you are instructed to return the defective base assembly, follow all packaging instructions, and use any
packaging materials for shipping that are supplied to you.
Important: Make sure that both heat-sink fillers are installed on the defective base assembly that you are
returning, prior to shipment. Use the heat-sink fillers that were removed from the replacement base assembly
when you installed the microprocessors. Do not install the microprocessor socket dust covers in the
defective base assembly that you are returning.

Removing the chassis bulkhead

Use this information to remove the chassis bulkhead.
Note: This procedure should be performed only by trained service technicians.
Before you remove the chassis bulkhead, complete the following steps:
1. Read "Safety" on page iii
2. If the compute node is installed in a Flex System chassis, remove it (see
from a chassis" on page 880
3. Carefully lay the compute node on a flat, static-protective surface, orienting the compute node with the
bezel pointing toward you.
To remove the chassis bulkhead, complete the following steps.
Screw
Screws
Step 1. Remove the cover (see
Step 2. Remove the fabric connector (see
Step 3. Carefully place the chassis on its side with the front handle side up.
Note: You might find it helpful to remove the air baffles.
Step 4. Using a T8 Torx screwdriver, remove the screws that secure the bulkhead from the bottom of the
chassis.
Step 5. Carefully return the chassis to the bottom-side-down orientation.
Step 6. Using a T8 Torx screwdriver, remove the screws that secure the bulkhead from the sides of the
chassis.
Step 7. Lift the chassis bulkhead from the chassis.
and "Installation guidelines" on page
for instructions).
Chassis bulkhead
Screw
"Removing the compute node cover" on page
"Removing a fabric connector" on page
.
Chapter 7 Installing, removing, and replacing compute node components
879.
"Removing a compute node
888).
926).
923