Service Cover - IBM TotalStorage NAS Gateway 500 Service Manual

Service cover

Before performing the following procedures, read the "Safety notices" on page xv.
Service access cover removal
Before performing this procedure, the rack should be correctly stabilized and the system unit placed in the
service position, as described in "Placing the NAS Gateway 500 into the service position" on page 312.
To remove the service access cover, perform the following steps:
1. Loosen the three captive thumbscrews located on the back of the cover. See the following illustration
for thumbscrew locations.
2. Placing both hands on each side of the cover, slide the cover toward the back of the system drawer.
3. After the front of the service access cover has cleared the upper-chassis ledge, lift the cover up and
off the system drawer.
Attention: For proper cooling and airflow, replace the cover before turning on the system. Operating the
system for extended periods of time (over 30 minutes) with the cover removed might damage the system
components.
1 Thumbscrews
2 Service access cover
3 NAS Gateway 500
Service access cover replacement
To replace the service access cover, perform the following steps:
1. Align the service access cover with the top of the system, about 25 mm (1 inch) from the front of the
system. The flanges on the left and right sides of the cover should be on the outside of the system
chassis.
2. Hold the service access cover against the system drawer, slide it toward the front of the system. The
front edge of the service access cover slides beneath the upper-chassis ledge.
3. Tighten the three thumbscrews located on the back of the cover.
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NAS Gateway 500 Service Guide
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4 Access cover locking tab
5 Upper-chassis ledge