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To meet the Shock and Vibration specifications listed in the PXIe-1092 Specifications, tighten

screws to 1.3 N · m (11.5 in · lb) of torque.

Installing Replacement Fan Assemblies

This section describes how to remove and install fan assemblies in the PXIe-1092 chassis.

Caution Disconnect the power cable and wait at least 30 seconds prior to replacing

fan assemblies.

Replacing the PXI Module Fan Assembly

Before attempting to replace the rear module fan assembly, verify that there is adequate

clearance behind the chassis. Disconnect the power cable from the power supply on the back

of the chassis. Wait at least 30 seconds for the supply's internal power to dissipate.

Removing the PXI Module Fan Assembly

Follow these steps to remove the fan assembly:

1. Using a Phillips screwdriver, remove the six #6-32 mounting screws and #8-32 ground

screw that attach the fan panel to the chassis.

2. Remove rear chassis feet.

3. With the internal fan harness still connected, carefully pull and rotate fan assembly from

rear cavity of chassis. Use caution when removing the fan assembly to avoid damaging

the fan wire harness.

4. Disconnect fan harness from the internal chassis receptacle as shown in the following

figure.

Installing the PXI Module Fan Assembly

Follow these steps to install a new fan assembly:

1. Angle the fan assembly to install the fan harness plug into the internal chassis receptacle.

Use care to avoid damaging the fan harness or receptacle.

2. Connect the internal fan harness and install fan assembly into rear cavity of chassis as

shown in the following figure. Use caution when installing the fan panel assembly to

avoid pinching or damaging the wire harness.

3. Replace chassis feet.

4. Using a Phillips screwdriver, tighten the six #6-32 mounting screws and #8-32 ground

screw into the rear of the chassis. To meet Shock and Vibration specifications listed in the

PXIe-1092 Specifications, tighten screws to 1.3 N · m (11.5 in · lb) of torque.

National Instruments PXIe-1092 User Manual

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