Trouble locating and clearing procedures (continued) 1-55
DMS-100 Family NA100 Trouble Locating and Clearing Procedures Volume 2 of 2 LET0015 and up
Repairing and replacing NT3X90AA cooling units
(continued)
At the front of the cooling unit
9
Remove the screws that secure the side rail covers to the frame.
10
Remove the eight screws that secure the brackets to the sides of the cooling
unit. To remove the screws, use a 5/16-inch ratchet and extension.
11
Ease the cooling unit toward you until it is half-way out of the frame.
12
Inspect the fans in the cooling unit. Note any fans that do not work.
do not direct you to do repairs
step 71
WARNING
Loss of frame cooling
Removal of the cooling unit for an extended period of time
can cause the equipment in the frame to overheat.
If your company procedures
Do