User Service Guide, Fifth Edition - HP Integrity rx8640 SEU
2. Loosen the two blue screws securing the fan to the chassis.
3. Pull the fan from the chassis.
Replacing the Rear Standby/Main Fan Assembly
1. Visually inspect the replacement part for proper number and revision.
2. Position the fan assembly in the chassis.
3. Push the fan into the connector.
4. Tighten the two thumb screws to secure the fan to the chassis.
5. The LED should be GREEN. See the previous table for a listing of LED definitions.
Removing and Replacing a Bulk Power Supply (BPS)
The bulk power supply is located in the front of the chassis. The BPS is a hot swap-component.
CAUTION: Observe all ESD safety precautions before attempting this procedure. Failure to
follow ESD safety precautions could result in damage to the SEU.
Preliminary Procedures
1. Identify the failed power supply.
2. Connect to ground with a wrist strap.
3. Visually inspect the replacement part for proper number and revision.
Figure 5-10 BPS Location
106 Removal and Replacement