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D-H 22 S - 16.02.2002 / Vers.: 1
1 Safety
1.1 Intended use
The D-H 22 S manual blasting unit is intended for use in dental laboratories:
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for removing the residuals of embedding materials and oxides on cast
components after their being unbedded,
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for leveling and smoothing of cast component surfaces and
−
for polishing
Unauthorized modifications and additions are not permitted for safety reasons!
The conditions for operating, maintaining and cleaning the unit, as described in
these operating instructions, must be strictly adhered to.
1.2 Possible dangers
The D-H 22 S manual blasting unit is safe when used as intended. However,
when not used properly or with care its use can lead to injuries of eyes or skin
due to the sand blast leaving the injector.
If the front flap is open you should not activate the (removable) injector.
Potential ignition sources should not be suctioned.
Before maintenance work and cleaning, the unit should be switched off and
disconnected from the mains supply (i. e. the mains plug should be pulled).
Before accessing any of the incorporated electric components, the unit should
be disconnected from the mains supply!
1.3 Approved operators
The operator of the machine should make sure that the operating instructions
are accessible to the operating personnel. The operator should make sure that
they have been read and fully understood by the operating personnel. Only
then should they be allowed to operate the machine.
