National Instruments PXI Series Installation Guide

© National Instruments Corporation 3 Chassis Fan Replacement Guide
Figure 1 shows the parts you must remove to access the fan. Refer to the
following steps for installation and removal instructions.
Figure 1. PXI Express Chassis Part Locations (Chassis Shown Upside Down)
Complete the following steps to replace the fan (refer to the previous figure
for parts locations):
1. Locate the fan access panel on the bottom of the chassis. Remove the
access panel screw and the access panel.
2. Remove the two fan shoulder screws, shown in Figure 1, that fasten the
fan. Be careful not to lose the screws.
3. Remove the fan.
1 Fan Shoulder Screw (x2)
2 Fan Access Panel Screw (x1)
3 Fan Access Panel
4Fan
5 Screen (Visible Through Fan)
6 Chassis
1
2
3
6
4
5

National Instruments PXI Series Specifications

General

Form Factor	PXI
Slot Count	4, 8, 18 slots
Cooling	Forced air
Compatibility	PXI modules
Operating Temperature	0 °C to 55 °C
Relative Humidity	10% to 90%, non-condensing
Dimensions	Varies depending on the specific chassis model
Weight	Varies depending on the specific chassis model