Battery - HP xw4550 Service And Technical Reference Manual

3. Unsnap the fan housing from the chassis (2) and lift it out of the chassis (3).
Figure 4-27
4. Remove the fan from the fan housing by applying outward pressure on the fan housing while
pushing the fan out of the housing.
Figure 4-28
To replace the front fan, reverse the previous steps, but be sure that the airflow direction arrow on the
side of the fan points to the rear of the chassis.

Battery

The battery that comes with the workstation provides power to the real-time clock and has a minimum
lifetime of approximately three years.
WARNING!
battery is handled improperly. Do not disassemble, crush, puncture, short external contacts, dispose in
water or fire, or expose it to temperatures higher than 140°F (60°C).
ENWW
Removing the front (PCI) fan
Removing the fan from the card guide
This workstation contains a lithium battery. There is a risk of fire and chemical burn if the
Steps for removing and replacing components 81