5. INSPECTION AND MAINTENANCE
5-5
5.4 Parts
Replacement
5.4.1 Inserting/extracting extended board
WARNING
Hazardous voltage. Before you replace an extended board, shut down the OS,
and disconnect the power cord plug from the outlet. Make sure you wait at least
one minute before detaching the cover of the Equipment. Otherwise, you may
get an electric shock or a fire may occur.
CAUTION
During work, do not touch the internal parts directly with bare hands. Otherwise,
you may get burned because the parts are hot. In addition, such action may
cause damage to the internal parts.
NOTICE
Be sure to disconnect the external cables connected to the Equipment before
you insert or extract an extended board. Failure to do so may cause damage to
the Equipment.
5.4.1.1 Before inserting/extracting extended board
Be sure to shut down the OS, disconnect the power cord plug from the outlet, and
wait at least one minute before work.
Reserve the specified service clearance (see Subsection 1.2.2, “Installation
conditions”) and work in a flat place.
Wear cotton gloves before starting insertion/extraction work.
When tightening or loosening a screw, be careful not to crush the screw head. Use a
Phillips screwdriver of JIS (Japanese Industrial Standards) No.2 suitable for the size
and the type of the screw head.
When tightening a screw, be careful not to apply excessive force for preventing
destruction of the screw mountain. Tighten the screw straight into the screw hole.
Summary of Contents for HF-W2000 30
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