HP ET115AV HP xw4400 Workstation - Service and Technical Reference Guide - Page 61

Removal and replacement procedures, Warnings and cautions

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4 Removal and replacement procedures This chapter describes removal and replacement procedures of most internal components. ● Warnings and cautions on page 51 ● Service considerations on page 52 ● Customer Self-Repair on page 56 ● Predisassembly procedures on page 57 ● System board components on page 57 ● Steps for removal and replacement of components on page 58 ● Product recycling on page 99 Warnings and cautions WARNING! If a product is shipped in packaging marked with this symbol , the product must always be lifted by two persons to avoid personal injury due to product weight. WARNING! Any surface or area of the equipment marked with these symbols indicates the presence of a hot surface or hot component. If this surface is contacted, the potential for injury exists. To reduce the risk of injury from a hot component, allow the surface to cool before touching. WARNING! Any surface or area of the equipment marked with these symbols indicates the presence of an electrical shock hazard. To reduce the risk of injury from electrical shock, do not open any enclosed area. WARNING! To reduce the risk of electric shock or damage to your equipment: - Do not disable the power cord grounding plug. The grounding plug is an important safety feature. - Plug the power cord in a grounded (earthed) outlet that is easily accessible at all times. - Disconnect power from the equipment by unplugging the power cord from the electrical outlet. WARNING! To reduce the risk of serious injury, read the Safety & Comfort Guide. It describes proper workstation, setup, posture, and health and work habits for computer users, and provides important electrical and mechanical safety information. This guide is located on the Web at http://www.hp.com/ ergo and/or on the documentation CD if one is included with the product. CAUTION: Static electricity can damage the electronic components of the workstation. Before beginning these procedures, be sure you are discharged of static electricity by briefly touching a grounded metal object. ENWW Warnings and cautions 51

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4
Removal and replacement procedures
This chapter describes removal and replacement procedures of most internal components.
●
Warnings and cautions
on page
51
●
Service considerations
on page
52
●
Customer Self-Repair
on page
56
●
Predisassembly procedures
on page
57
●
System board components
on page
57
●
Steps for removal and replacement of components
on page
58
●
Product recycling
on page
99
Warnings and cautions
WARNING!
If a product is shipped in packaging marked with this symbol
, the product must
always be lifted by two persons to avoid personal injury due to product weight.
WARNING!
Any surface or area of the equipment marked with these symbols indicates the
presence of a hot surface or hot component. If this surface is contacted, the potential for injury exists.
To reduce the risk of injury from a hot component, allow the surface to cool before touching.
WARNING!
Any surface or area of the equipment marked with these symbols indicates the
presence of an electrical shock hazard. To reduce the risk of injury from electrical shock, do not open
any enclosed area.
WARNING!
To reduce the risk of electric shock or damage to your equipment:
— Do not disable the power cord grounding plug. The grounding plug is an important safety feature.
— Plug the power cord in a grounded (earthed) outlet that is easily accessible at all times.
— Disconnect power from the equipment by unplugging the power cord from the electrical outlet.
WARNING!
To reduce the risk of serious injury, read the
Safety & Comfort Guide
. It describes proper
workstation, setup, posture, and health and work habits for computer users, and provides important
electrical and mechanical safety information. This guide is located on the Web at
ergo
and/or on the documentation CD if one is included with the product.
CAUTION:
Static electricity can damage the electronic components of the workstation. Before
beginning these procedures, be sure you are discharged of static electricity by briefly touching a
grounded metal object.
ENWW
Warnings and cautions
51