Retsch DM 400 - Manual (Page 16)

Safety instructions and use
16
CAUTION!
Wear hearing protection!
Hearing protection should be worn when a noise level of
85dB (A) is reached or exceeded in order to prevent
damage to hearing.
WARNING!
The maximum workplace concentrations (threshold limit
values - TLV) in valid safety regulations must be
observed, and ventilation must be provided where
necessary or the machine operated under an extractor
hood.
DANGER!
Risk of explosion!
- When grinding oxidable substances (e.g. metals or
coal) there is a risk of spontaneous ignition (dust
explosion) if the fine fraction exceeds a certain
percentage. For this reason special safety measures
must be taken when grinding such substances and
the work must be supervised by a specialist.
- The device is not designed for use in potentially
explosive areas and is not suitable for grinding
explosive materials.
 Do not remove signs.
NOTICE!
Replace damaged or illegible signs without delay.
 Unauthorised modifications to the device lead to loss of the
conformity to European directives declared by Retsch and to loss
of the warranty claim.
 Only use the DM400 in a technically perfect state and as intended,
with an awareness of safety and dangers as specified in the
Operating Manual. In particular have faults which might impair
safety rectified immediately!
 If you have any questions or problems after reading the Operating
Manual, please contact our technical staff.