KERN PCD 300-3 Mode D'emploi page 92

10 Service, maintenance, disposal
10.1 Cleaning
Before any maintenance, cleaning and repair work disconnect the
appliance from the operating voltage.
Please do not use aggressive cleaning agents (solvents or similar agents), but a
cloth dampened with mild soap suds. Take care that the device is not penetrated by
fluids and polish it with a dry soft cloth.
 Clean the stainless-steel parts with a soft cloth soaked with a cleaning agent
suitable for stainless steel.
 For stainless steel parts do not use any cleaning agents which contain sodium
hydroxide solution, acetic, hydrochloric, sulphuric or citric acid.
 Do not use metal brushes or cleaning sponges of steel wool, as this causes
superficial corrosion.
10.2 Service, maintenance
 The appliance may only be opened by trained service technicians who are
authorized by KERN.
 Ensure that the balance is regularly calibrated, see chap. Testing instruments
control.
10.3 Disposal
Disposal of packaging and appliance must be carried out by operator according to
valid national or regional law of the location where the appliance is used.
44 PCD-BA-e-1615