HP ET115AV HP xw4400 Workstation - Service and Technical Reference Guide - Page 90

Battery, WARNING

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3. Unsnap the fan housing from the chassis (2) and lift it out of the chassis (3). Figure 4-28 Removing the front fan 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 4-29 Removing the fan from the card guide 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 about three years. WARNING! This workstation contains a lithium battery. There is a risk of fire and chemical burn if the 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). 80 Chapter 4 Removal and replacement procedures ENWW

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3.
Unsnap the fan housing from the chassis
(2)
and lift it out of the chassis
(3)
.
Figure 4-28
Removing the front fan
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 4-29
Removing the fan from the card guide
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 about three years.
WARNING!
This workstation contains a lithium battery. There is a risk of fire and chemical burn if the
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).
80
Chapter 4
Removal and replacement procedures
ENWW