Heidolph Multi Reax - Manual (Page 19)

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19
As a function of load applied on the shaker holders, certain points of resonance
may be found in a speed range from 1,200 to 1,500 rpm. If such resonance is
found (strange vibrations of the shaker), please increase or decrease speed by a
minor amount as to get out of the critical frequency range.
4.
Exchange carousel attachment
The item arrives with the carousel attachment for 26 test tubes installed. You may
replace it with the carousel attachment for 12 test tubes at ease. Remove all containers
before installing the retainers. Remove carousel attachment by pulling with both hands,
plug new carousel attachment in place.
Check for location of the two "noses". Carefully slip carousel attachment over
these "noses". Be sure not to damage the part. These "noses" secure the
carousel on the shaker.
Check rubber ring for proper seat. This ring secures your containers in place. Seat
ring in slot of carousel on condition.