Bull R424-E2, Installation And User Manual, Page: 40 / 182

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ullx R424-E2/R424-INF-E2 and R424-F2/R424-INF-F2 Installation and User's Guide
4-2
4-2 General Safety Precautions
Follow these rules to ensure general safety:
Keep the area around the bullx R424-E2/R424-INF-E2 or R424-F2/R424-INF-F2
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clean and free of clutter.
The bullx R424-E2/R424-INF-E2 and R424-F2/R424-INF-F2 weighs approxi-
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mately 40 lbs (~18.2 kg) when fully loaded. When lifting the system, two people
at either end should lift slowly with their feet spread out to distribute the weight.
Always keep your back straight and lift with your legs.
Place the chassis top cover and any system components that have been
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removed away from the system or on a table so that they won't accidentally
be stepped on.
While working on the system, do not wear loose clothing such as neckties and
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unbuttoned shirt sleeves, which can come into contact with electrical circuits
or be pulled into a cooling fan.
Remove any jewelry or metal objects from your body, which are excellent metal
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conductors that can create short circuits and harm you if they come into contact
with printed circuit boards or areas where power is present.
!
Serverboard Battery:
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CAUTION - There is a danger of explosion if the onboard
battery is installed upside down, which will reverse its polarites (see Figure
4-1). This battery must be replaced only with the same or an equivalent type
recommended by the manufacturer. Dispose of used batteries according to the
manufacturer's instructions.
Mainboard replaceable soldered-in fuses: Self-resetting PTC (Positive Tempera-
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ture Coeffi cient) fuses on the mainboard must be replaced by trained service
technicians only. The new fuse must be the same or equivalent as the one
replaced. Contact technical support for details and support.
After accessing the inside of the system, close the system back up and secure
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it to the rack unit with the retention screws after ensuring that all connections
have been made.