OHAUS Frontier FC5917RF Manuel D'instructions page 16

TM
Frontier Centrifuges
Hold the rotor with one hand and secure the rotor to the shaft by turning the fixing nut clockwise. Tighten the fixing
nut with enclosed rotor key (See figures 11-13)
We will provide a tool for none-nut rotor with centrifuge, the tool for nut-rotor will be provided with rotor.
ATTENTION!
Check that the fixing screw is properly installed before each run. (See figure 11-13)
Do not operate the centrifuge with rotors or buckets which show any signs of corrosion or mechanical
damage.
Do not operate with extremely corrosive substances, which could damage the rotor, buckets and
materials.
In case of any questions, please contact the manufacturer!
3.1.2 Loading angle rotors
Rotors must be loaded symmetrically and with equal weight (See figure below). The adapter may only be loaded
with the appropriate vessels. The weight differences between the filled vessels should be kept as low as possible.
Therefore, we recommend weighing them with a balance. This reduces the wear of the drive and the acoustic
operating noise.
The maximum load per hole is stated on each rotor.
ATTENTION!
For safety reasons, all places on certain rotors mut be occupied with equal weight during
centrifugation.
Regardless of the centrifuge model, this applies to the following angular rotors:
30553086 (4 x 500 ml)
30314821 (6 x 250 ml)
30314825 (6 x 85 ml)
30314826 (6 x 85 ml)
30314827 (4 x 85 ml)
3.1.3 Loading swing out rotors
Loading of the buckets / vessels must be made in accordance to the figure below.
It is allowed to operate e.g. a 4-place-rotor with 2 loaded buckets only. But the loaded buckets must be opposite to
each other. Make sure that the unloaded buckets also be put inside the rotor (see below).
In principle swing out rotors may not be taken into operation until all buckets or racks are put into the rotor.
The bolts at the rotor must be greased with the "High TEF oil". The sample tubes have to be filled evenly by eye
and put into the drillings or tube racks. The weight difference of the loaded buckets should not exceed approx.1.0
g.
Figure.14 WRONG Figure.15 CORRECT
EN-7