USER MANUAL DENTAL UNIT - QS4-451-01 / SD 300 Scandinavian
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APPENDIX 4. DURR VSA300 SUCTION SYSTEM.
MAINTENANCE OF THE SUCTION SYSTEM TOGETHER
WITH THE SPITTOON VALVE
Before removing the cover of the water unit, disconnect the dental unit from the
mains by deactivating the general power switch.
Use suitable protective gloves.
TAs shown in figure 14, remove the outer cover of the water unit (A), by first pulling it lightly
towards you then lifting. Note that it is held at the top using 2 magnets (B) and below using the
supports (C). Installed inside you will find both the suction system (D) and the spittoon valve
(E).
Before carrying out any maintenance, cleaning or disinfecting procedures, to check the working
order of the unit or should you have any doubts, please refer to the original manufacturer
instructions included in the documentation delivered with the dental unit. Always use cleaning
and disinfecting products recommended by the manufacturer.
.
D
E
Fig. 17
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