HBS CDM 3201, Operating Manual, Page: 55 / 94

CDM 3201 Order No. BA 92-12-3321A Issue 19.09.08 55
7 Care and Maintenance
7.1 Safety Instructions
Let maintenance and repair operations be carried out only by
qualified personnel or by your competent service technician.
Before starting any repair or maintenance operation, always switch
the power unit off and disconnect the primary plug.
Do not wear a wrist watch or any electrically conductive jewellery.
7.2 Regular Maintenance Operations
Clean the inner components of the power unit periodically of
dust. Use a dry washcloth or a brush. To open the power unit,
proceed as described in sections 7.1, 7.3 and 7.4.
‹ Clean the surface of the power unit with a humid washcloth and a detergent.
Do not use any solvent containing cleaning agents. Solvent
containing cleaning agents may damage the surface of the
power unit.
After a longer break of the power unit (longer than 4 weeks), we
recommend to charge the welding capacitors slowly, i.e. set the
charging voltage to 50 V for 5 minutes, then to 75 V, 100 V,
125 V... for 5 minutes each.
7.3 Tools to be Used
– Cross-slotted screwdriver, size 2
7 Care and Maintenance
7.1 Safety Instructions