Maintenance - Sonoswiss DURA T 12/H Mode D'emploi

7.2 Restrictions concerning aqueous cleaning agents
Alkaline Risk of damage to the unit: Do not use cleaning solutions containing more than 0.5 mass % alkali (KOH and/or NaOH) in
solutions the ultrasonic cleaning tank.
KOH Potassium hydroxide solution will cause stress-crack corrosion in the ultrasonic tank.
Entrainment of chemical substances
The above limitations for the use of the ultrasonic tank also apply if the aforementioned chemical compounds are introduced
into an aqueous bath (in particular with distilled water) through entrainment or from the removed dirt.
Example • Ultrasound-aided rinsing of items that were previously etched with hydrofluoric acid or ammoniumbifluoride.
Disinfectants These restrictions also apply to commercially available cleaning agents and disinfectants if these
contain the aforementioned compounds.
Acid-resistant tank If using the aforementioned media, use a corresponding acid-resistant tank. Contact your supplier to enquire
about available options.
Safety instructions Observe the safety instructions provided by the manufacturer of the chemicals
(e.g. safety glasses, gloves, R and S phrases). If in doubt, contact the manufacturer or supplier.
Exclusion of liability The manufacturer does not accept any liability for damage caused by the failure to observe the restrictions stated in
chapters 8.1 and 8.2!
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7.3 Recommended suitable cleaning agents
Sonoswiss offers an extensive range of cleaning products developed and manufactured in-house.
Contact your dealer to enquire about suitable cleaning agents.
Environmental sustainability The organic detergents in the Sonoswiss chemical cleaning agents are biodegradable. Product data sheets
and material safety data sheets are available from the manufacturer.

8 MAINTENANCE

8.1 Maintenance and care
!
Always unplug the mains plug before performing maintenance and care!
Notice
Electrical safety This ultrasonic cleaning unit is maintenance-free.
However, check the housing and the mains power cable for damage on a regular basis to ensure electrical safety.
Checking ultrasonic tank for leaks
Also check the ultrasonic tank for leaks:
If observing leaks of the ultrasonic tank, e.g.
• if there are any inexplicable stains or residues of cleaning liquid under or next to the unit
• if there is a quick loss of liquid from the filled, unheated tank that cannot be explained by evaporation, immediately
disconnect the unit from the power mains.
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