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Safety instructions
In order to be able to use the appliance properly and
safely, every user must first read the operating instruc-
tions and observe the safety instructions contained
therein. Take care of these operating instructions and
keep them in a place where they can be accessed by everyone.
Only staff who have been trained accordingly, know the appliance
and are authorised to carry out work in this
field should use this appliance.
Never operate the equipment with
the stirrer tools rotating freely.
Ensure that parts of the body,
hair or items of clothing can-
not be trapped by the rotating
parts. Pay attention when
setting the speed to any
imbalance of the stirrer tools
and possible spraying of the
medium to be stirred. Please
use stirring shaft protective
equipment (see fig.1).
The equipment is not suitable
for manual operation. Please
follow the relevant safety
instructions and guidelines,
and occupational health and
safety regulations for use in
the laboratory.
When working with the stir-
ring unit, the user must select
RW14B032004
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Fig. 1: points of danger
and wear his personal protective equipment according to the
mixing hazard category. Defective or inappropriate protective
equipment can expose the user to the risk of splashing or getting
caught in the stirring element.
It is important to note that the surfaces of the motor (cooling fins)
and certain parts of the roller bearing can get very warm during
operation.
Avoid knocks and impacts on the lower end of the shaft and the
chuck gear teeth. Even minor, invisible damage can lead to im-
balance and uneven shaft action. Careful handling guarantees safe
working and the long life of the equipment.
Imbalance of the output shaft, the chuck and in particular the
stirring tools can lead to uncontrolled resonant vibrational
behaviour of the equipment and the whole assembly. Glass
apparatus and stirrer containers can be damaged or shattered by
this. It can cause injury to the operator, as can the rotating stirring
tool. If vibration of the equipment is noticed, the speed must be
reduced immediately in all cases until no more vibration occurs. In
this case exchange the stirring tool for one without imbalance or
remedy the cause of the imbalance.
Operation with a freely rotating stirring element without a stirring
vessel is dangerous. You must ensure that the stirring element is
securely clamped in the chuck.
The machine may only be opened by trained specialists - even
during repairs. The machine is to be unplugged from the mains
before opening. Live parts inside the machine may still be live for
some time after unplugging from the mains.
The high torque developped by the RW 14 basic requires
particular care in the choice of stand, cross sleeve and anti-
rotation element for the stirring bowl.
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