Fujitsu PRIMERGY TX600 S3 Service Supplement Manual page 26

Removing/inserting the processor cover Replacement routines
Mounting the processor cover
Figure 8: Mounting the processor cover
Ê Reinstall the processor cover.
Figure 9: Pressure points on the processor cover (view from the front side)
Ê Press the marked points on the processor cover until it clicks into place.
26 Service Supplement TX600 S3