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Chapter 3
Maintenance
If access to the rear of the chassis is not available, you still can remove the power supplies by
removing the entire power drawer from the chassis. The power drawer is shown in Figure 3-2.
Figure 3-2.
PXIe-1066DC Power Drawer
Note
If you are using the PXIe-1066DC and NI SC Express modules with front
mounting terminal blocks together, you must remove the SC Express module front
mount terminal blocks to access the power drawer. Refer to your module
documentation for more information about removing the terminal blocks.
Complete the following steps to remove the power drawer:
Caution
You must disconnect DC power before removing the power drawer.
1.
Disconnect DC power by pressing the release button on the power cord.
2.
Loosen the drawer lever captive screws with a flat-blade screwdriver until the threads
disengage from the chassis frame.
3.
Rotate the drawer levers to eject the drawer from the chassis frame.
4.
Pull the drawer about halfway out until the side latches engage.
5.
Press in the side latches on both sides to release the drawer and continue to pull out the
drawer.
Caution
Before handling the power supply, allow the fan to stop spinning.
1
Captive Screw
2
Power Drawer Lever
3
Side Latch
4
Power Supply
1
2
1
3
4
2
