Sigma 8KBS - Emergency Lid Release

Refrigerated Centrifuge Sigma 8KS
Refrigerated Centrifuge Sigma 8KBS
7 Malfunctions and error correction
Version 08/2012, Rev. 2.5 of 02/07/2018 • sb
71 / 131
Translation of the original operating manual, part no. 0702502
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7.1.1 Emergency lid release
In the event of a power failure, it is possible to manually open the centrifuge
lid.
• Switch off the mains power switch and disconnect the power cord from
the socket.
• Remove the plugs (see figure, item 1) at the right side panel, e.g. with a
screw driver.
Fig. 43: Position of the openings for the emergency lid release
• Insert the supplied tube wrench (part no. 930 110) horizontally into the
hole. The key will be guided through a funnel-shaped tube to the shaft
of the lid lock motor.
Fig. 44: The emergency lid release key must be inserted horizontally.
• Unlock the motorised lid locks as follows:
– Turn the left lid lock anti-clockwise.
– Turn the right lid lock clockwise.
• Then, reinsert the plugs.
WARNING
The lid may only be unlocked and opened when the rotor is at a standstill.
If the lid is opened via the emergency lid release system during a centrifuge
run, the centrifuge will be switched off immediately and decelerate in an
unbraked manner.
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