Chapter 4. Removal And Replacement Procedures; Handling Static-Sensitive Devices - IBM 7208 Model 345 Service Manual

Chapter 4. Removal and Replacement Procedures

This chapter describes the procedures to follow when removing and replacing the
field replaceable units (FRUs), such as the 7208 Tape Drive cover, drive, power
supply, and cooling fan. It also describes how to manually remove a tape cartridge.
DANGER
DANGER
Before installing any FRU, let it acclimate to the operating environment for as long
as it has been away from the environment or for 12 hours, whichever is less.

Handling Static-Sensitive Devices

Attention: Tape drives are sensitive to static electricity discharge. When handling
a tape drive, wrap it in an antistatic bag to prevent damage.
Take the following precautions:
v Do not remove the drive from the antistatic bag until you are ready to install it.
v With the drive still in its antistatic bag, touch it to the metal frame of an
v Hold the drive by the frame. Avoid touching the solder joints or pins.
v Handle the drive carefully to prevent permanent damage.
© Copyright IBM Corp. 2000
To prevent a possible electrical shock from touching two surfaces with
different electrical grounds, use one hand, when possible, to connect or
disconnect signal cables. (RSFTD004)
To prevent a possible electrical shock when adding or removing any devices
to or from the system, ensure that the power cords for those devices are
unplugged before the signal cables are connected or disconnected. If possible,
disconnect all power cords from the existing system before you add or
remove a device. (RSFTD203)
electrically grounded surface.
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