© National Instruments | 3-5
PXIe-1095 User Manual
Installing Replacement Fan Assemblies
This section describes how to remove and install fan assemblies in the PXIe-1095 chassis.
Caution Disconnect all power cables 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 all power cables from the power supplies on the back
of the chassis. Wait at least 30 seconds for the supplies’ internal power to dissipate.
Follow these steps to remove the fan assembly:
1. Using a Phillips screwdriver, remove the eight #6-32 mounting screws and #8-32 ground
screw that attach the fan panel to the chassis.
2. Remove rear chassis feet.
3. With 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 Figure 3-3.
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 Figure 3-3, Internal Fan Harness. 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 eight #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-1095 Specifications, tighten screws to 11.5 in · lb (1.3 N · m) of torque.
To Next Page
Loading...
Need help?
General
