HP Xw4550 HP xw4550 Workstation - Service and Technical Reference Guide - Page 62

Cables and connectors, Hard drives, Lithium coin cell battery, WARNING, CAUTION - case spare parts

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WARNING! Do not use the front bezel as a handle or lifting point when lifting or moving the workstation. Lifting the workstation from the front bezel or lifting it incorrectly could cause the unit to fall, causing you harm and damaging the workstation. To properly and safely lift the workstation, lift it from the bottom of the chassis for either the desktop or minitower configuration. Cables and connectors Cables must be handled with care to avoid damage. Apply only the tension required to seat or unseat the cables during insertion or removal from the connector. Handle cables by the connector or pull strap whenever possible. In all cases, avoid bending or twisting the cables, and ensure that the cables are routed in such a way that they cannot be caught or snagged by parts being removed or replaced. CAUTION: When servicing this workstation, be sure that cables are placed in their proper location during the reassembly process. Improper cable placement can damage the workstation. Hard drives Handle hard drives as delicate, precision components, and avoid all physical shock and vibration. This guideline applies to failed drives as well as replacement spares. ● If a drive must be mailed, place the drive in a bubble-pack mailer or other suitable protective packaging and label the package "Fragile: Handle With Care." ● Do not remove new or replacement hard drives from the shipping package for storage. Keep hard drives in their protective packaging until they are actually mounted in the workstation. ● Avoid dropping drives from any height onto any surface. ● Power off the workstation before removing a hard drive. Do not remove a hard drive while the workstation is on or in standby mode. ● Ensure that you are discharged of static electricity before handling a drive. While handling a drive, avoid touching the data connector. CAUTION: To prevent possible damage from static electricity from in the drive being installed, always connect the drive power cable before connecting the data cable. This will discharge any accumulated static electricity through the drive power cable to the workstation chassis. For more information about preventing electrostatic damage, see Electrostatic discharge information on page 50. ● Do not use excessive force when inserting a drive. ● Avoid exposing a hard drive to liquids, temperature extremes, or products that have magnetic fields such as monitors or speakers. Lithium coin cell battery The workstation battery provides power to the real-time clock and has a minimum lifetime of approximately three years. For instructions on battery removal and replacement, see the Battery on page 87 section of this chapter. 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 of in water or fire, or expose it to temperatures higher than 140° Fahrenheit (60° Centigrade). NOTE: Batteries, battery packs, and accumulators should not be disposed of with general household waste. 54 Chapter 4 Removal and replacement procedures ENWW

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WARNING!
Do not use the front bezel as a handle or lifting point when lifting or moving the workstation.
Lifting the workstation from the front bezel or lifting it incorrectly could cause the unit to fall, causing you
harm and damaging the workstation. To properly and safely lift the workstation, lift it from the bottom of
the chassis for either the desktop or minitower configuration.
Cables and connectors
Cables must be handled with care to avoid damage. Apply only the tension required to seat or unseat
the cables during insertion or removal from the connector. Handle cables by the connector or pull strap
whenever possible. In all cases, avoid bending or twisting the cables, and ensure that the cables are
routed in such a way that they cannot be caught or snagged by parts being removed or replaced.
CAUTION:
When servicing this workstation, be sure that cables are placed in their proper location
during the reassembly process. Improper cable placement can damage the workstation.
Hard drives
Handle hard drives as delicate, precision components, and avoid all physical shock and vibration. This
guideline applies to failed drives as well as replacement spares.
●
If a drive must be mailed, place the drive in a bubble-pack mailer or other suitable protective
packaging and label the package “Fragile: Handle With Care.”
●
Do not remove new or replacement hard drives from the shipping package for storage. Keep hard
drives in their protective packaging until they are actually mounted in the workstation.
●
Avoid dropping drives from any height onto any surface.
●
Power off the workstation before removing a hard drive. Do not remove a hard drive while the
workstation is on or in standby mode.
●
Ensure that you are discharged of static electricity before handling a drive. While handling a drive,
avoid touching the data connector.
CAUTION:
To prevent possible damage from static electricity from in the drive being installed,
always connect the drive power cable before connecting the data cable. This will discharge any
accumulated static electricity through the drive power cable to the workstation chassis.
For more information about preventing electrostatic damage, see
Electrostatic discharge
information
on page
50
.
●
Do not use excessive force when inserting a drive.
●
Avoid exposing a hard drive to liquids, temperature extremes, or products that have magnetic fields
such as monitors or speakers.
Lithium coin cell battery
The workstation battery provides power to the real-time clock and has a minimum lifetime of
approximately three years.
For instructions on battery removal and replacement, see the
Battery
on page
87
section of this
chapter.
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 of
in water or fire, or expose it to temperatures higher than 140° Fahrenheit (60° Centigrade).
NOTE:
Batteries, battery packs, and accumulators should not be disposed of with general household
waste.
54
Chapter 4
Removal and replacement procedures
ENWW