Hitachi compute blade 500 series Getting Started Manual page 10

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When using a rack cabinet, do not place anything on the system unit
mounted on the cabinet and do not use the top of the system unit
mounted on the cabinet as a work bench. A heavy object placed on top of
the system unit on the cabinet might fall, resulting in injury.
Contact with metal edges
When moving the equipment or adding parts, take care not to hurt
yourself on the metal or plastic edges. Inappropriate handling can cause
injuries.
There is a risk of explosion if a battery is replaced by an incorrect type.
Dispose of used batteries according to the instructions.
Maintenance personnel should replace batteries. Do not replace batteries
by yourself. Follow the instructions described below. Inappropriate
handling can result in injury because a battery can overheat, burst, or
catch fire.
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When storing batteries, apply adhesive tape to the terminals for
insulation. If the batteries are stored without insulation, the terminals can
contact each other to cause a short circuit and overheat or burst, leading
to injury or fire.
Insertion of foreign objects into the equipment
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To install the system unit in, or remove it from, a rack cabinet, always
get help from at least one other person and use tools to avoid strain.
If the system unit has to be installed in 31U or higher in the rack
cabinet or the system unit has already been installed there, call for
maintenance personnel instead of attempting to install or remove the
system unit. Defective installation might cause the system unit to fall,
resulting in injury or unit failure.
When pulling a unit out from a rack cabinet to work on it, attach a
stabilizer to the rack cabinet. Excessive force might cause the rack
cabinet to fall down, resulting in injury or an equipment failure. If a
stabilizer is not attached, call for maintenance personnel.
Using a rack cabinet
Improper battery type
Handling batteries
Do not charge a battery.
Do not short out a battery.
Do not disassemble a battery.
Storing batteries
Hitachi Compute Blade 500 Series Getting Started Guide
Preface