Initial Operation; Opening And Closing The Lid; Opening The Lid; Closing The Lid - Hettich EBA 270 Operating Instructions Manual

EN
7

Initial operation


Position the centrifuge in a stable and level manner in a suitable place. During set-up, the required safety
margin of 300 mm around the centrifuge is to be kept according to EN / IEC 61010-2-020.
When the centrifuge is running, according to EN / IEC 61010-2-020, no persons, dangerous
substances or objects may be within the safety margin of 300 mm around the centrifuge.
Substances can be discharged through the ventilation opening on the rear side of the
centrifuge. The device is to be placed in such a way that the air stream is not directed towards
people.

Ventilation openings may not be blocked.
A distance of 300 mm must be maintained from the ventilation slots and openings of the centrifuge.

Check whether the mains voltage tallies with the statement on the type plate.

Connect the centrifuge with the power cord to a standard mains socket. For connection ratings refer to Chapter
"Technical specifications".

Turn on the mains switch. Switch position "".
The last used centrifuge data will be displayed.

Open the lid.
 Remove the transportation safety device in the centrifuge, see sheet "Transportation safety device".
8

Opening and closing the lid

8.1

Opening the lid

The lid can only be opened when the centrifuge is switched on and the rotor is at rest. If it cannot be
opened under these circumstances, see the section on "Emergency release".
 Press the key
and open the lid. The symbol " " (lid open) illuminates in the rotation indicator
OPEN
8.2

Closing the lid

Do not bang the lid shut.
 Place the lid and lightly press down the front edge of the lid. The symbol " " (lid closed) illuminates in the rotation
indicator .
9

Installation and removal of the rotor

After every fifth removal of the rotor or when installing a new rotor, the fastening nut must be exchanged.

Clean the motor shaft (C) and the rotor drilling (A), and lightly grease the motor shaft
afterwards. Dirt particles between the motor shaft and the rotor hinder a perfect seating of the
rotor and cause an irregular operation.

Place the rotor vertically on the motor shaft. The driver areas (D) of the motor shaft must be
located in the groove (B) of the rotor.

Tighten the fastening nut of the rotor by turning it in the clockwise direction with the wrench
A B
included in delivery.
C D

Check the rotor for firm seating.

Removing the rotor: Screw the fastening nut off by turning it in the counterclockwise direction.
Lift the rotor off of the motor shaft.
28/66 Rev. 07
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AB2300DEENFRIT