National Instruments PXIe-1092 Installation Manual

Also see for PXIe-1092: User guide CALIBRATION PROCEDURE

National Instruments PXIe-1092 Installation Manual Manual pdf 1 page image

INSTALLATION GUIDEPXIe-1092 Fan ReplacementThis document describes how to remove and install the fan assemblies in a PXIe-1092 chassis.Caution Disconnect all power cables and wait at least 30 seconds prior to replacingfan assemblies.Replacing the PXI Module Fan AssemblyBefore attempting to replace the rear module fan assembly, verify that there is adequateclearance behind the chassis. Disconnect all power cables from the power supplies on the backof the chassis. Wait at least 30 seconds for the power supplies’ internal power to dissipate.Follow these steps to remove the rear fan assembly:1. Using a Phillips screwdriver, remove the six #6-32 mounting screws and #8-32 groundscrew that attach the fan panel to the chassis. Refer to Figure 1 for more details.2. Remove the rear chassis feet.3. With the internal fan harness still connected, carefully pull and rotate fan assembly fromrear cavity of chassis. Use caution when removing the fan assembly to avoid damaging thefan wire harness.4. Disconnect fan harness from the internal chassis receptacle as shown in Figure 2.Follow these steps to install a new rear 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 the rear cavity of the chassisas shown in Figure 2. Use caution when installing the fan panel assembly to avoid pinchingor damaging the wire harness.3. Replace chassis feet.4. Using a Phillips screwdriver, tighten the six #6-32 mounting screws and #8-32 groundscrew into the rear of the chassis. To meet the shock and vibration specifications listed inthe PXIe-1092 Specifications, tighten screws to 11.5 lb · in. (1.3 N · m) of torque.™

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