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SAFETY NOTICES
Precaution Indications in This Manual
The followings informations indicate the precaution indications and the chapters/sections
which mention them in this manual.
1.Indication of
DANGER
To avoid electrical shock hazards, follow below when servicing the centrifuge.
1) Be sure to turn off the POWER switch and turn off the distribution board of your
centrifuge room if your centrifuge is equipped with a three wire power cord. Then wait
at least three minutes and then remove the covers from the centrifuge.
2) Be sure to turn off the POWER switch and unplug the power cord from the receptacle if
your centrifuge is equipped with a power cord with a plug. Then wait at least three
minutes and then remove the covers from the centrifuge.
2.Indication of
WARNING
Use a RLM rotor manufactured by Hitachi Koki with only Hitachi ultracentrifuges. Failure to
do so can cause the centrifuge to become damaged.(Section2-2-4)
1. Do not remove the RLM adapter or optical adapter from the rotor, or replace it with the
adapter for another rotor. The adapter is a critical component that detects the over-speed
of the rotor: If an adapter that is not compatible with the rotor is attached, the rotor could
break, resulting in damage to the ultracentrifuge.
2. The optical disk must match the maximum speed of the rotor, because the optical disk is
a critical component that detects the over-speed of the rotor: If an optical disk that is not
compatible with the rotor is attached, the rotor could break, resulting in damage to the
ultracentrifuge. (Section2-2-4)
1. This centrifuge is not explosion proof centrifuge. Never use explosive or flammable
samples or materials that chemically react vigorously. Do not centrifuge such materials in
this instrument nor handle or store them near the instrument.
2. Take all necessary safety measures before using samples that are toxic or radioactive, or
blood samples that are pathogenic or infectious. You use such samples at your own
responsibility. (Section3-1)
Do not incline or move the instrument while the rotor is spinning. Do not place any object on
the instrument or lean on the instrument. (Section3-2)
The centrifuge itself may move if the rotor fails during high-speed rotation. Make sure there
is a 30cm area around the centrifuge that will allow for such movement and do not allow
individuals to enter into that area during operation. Also do not place dangerous objects such
as flammable or explosive materials on top of the centrifuge or in the surrounding area.
1. Never open the door during rotation.
2. Never touch the rotor during rotation. (Section3-5)
Make sure that the rotor has coasted to a complete stop. When the rotor is at rest, it make
no sound. So listen carefully for any sound coming from the rotor chamber.
Do not attempt to unlock the door forcefully while the rotor is spinning.
It takes 10 hours or more for the running rotor to stop completely because the rotor chamber
is depressurized and has less air to stop the rotor. Be sure to leave sufficient time before
opening the door of the rotor chamber. (Section3-5)
Never touch the rotor during rotation. (Section3-5)
(Section3-5, Chapter4, Chapter5, and Chapter6)
v
(Section3-2 and Chapter6)
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