25
Refer to the frontal view on the first inside cover page of this manual.
When mounting the rotor on the motor shaft, the temperature of the rotor and the motor shaft
must be in the range 10 °C to 30 °C. When fitting the rotor, follow the marking triangles
on each side of the rotor nut. . They indicate the direction of the groove on the underside
of the rotor, and are needed to position the rotor safely.
Fit the rotor onto the motor shaft so the marking triangles point in the same direction as the
motor shaft driver pin. Tighten the rotor nut by turning them clockwise using the rotor key
supplied. If the rotor nut does not tighten easily, check whether the rotor has caught on the
motor shaft driver pin.
To release the rotor turn the rotor nut clockwise using the rotor key.
The rotors and buckets (round and rectangular) must be loaded symmetrically. The adapters
must be loaded only with the specified tubes. Minimize the difference in weight between the
filled sample tubes. This will reduce wear on the drive and cut running noise. The centrifuge
5702 has an automatic imbalance detector, which shuts down the centrifuge if the weight
differences are excessive.
The maximum weight for a fully loaded bucket is indicated on each rotor.
TIME
– Time dial and Start/Stop button
SHORT
– Short run button
SPEED
– Speed selector dial and rpm/rcf button
– Standby button
OPEN
– Lid release
Line socket with fuse set and main power switch (rear)
Identification plate with system ratings (rear)
E – Emergency lid release on underside with pull cord
3.1 Functional and operator control elements
3.2 Fitting and removing the rotors
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3.3 Loading the rotors
Operation
3 Operation
3
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