Kemppi master 5001 Operation Instructions Manual

Contents

12 – MASTER 5001/0541 © KEMPPI OY4.3. REGULAR MAINTENANCEKemppi service repair shops make regular maintenance according to agreement.The major points in the maintenance procedure are listed as follows:– cleaning of the machine– checking and maintenance of the welding tools– checking of connectors, switches and potentiometers– checking of electric connections– meter checking– checking of mains cable and plug– damaged parts of parts in bad connection are replaced by new ones– maintenance testing. Operation and performance values of the machine are checked, andadjusted when necessary by means of test equipment.5. OPERATION DISTURBANCESIn case of problems contact the Kemppi works in Finland or your Kemppi dealer.Check the maintenance objects before the machine is sent to the service repair shop.Operation of the overload protectionYellow pilot lamp H12 of thermal protection is lighted when thermostat has operated due tooverheating of machine.The thermostat of machine will operate, if machine is continously loaded over rated values orcooling air circulation is blocked.Cooling fan cools down the machine and when the pilot lamp is not lighted the machine isautomatically ready for welding.Control fusesFuse F11, 1,0 A delayed, on the rear wall of machine is as protection for connection of auxiliarydevices X14.Use same type and rating of fuse which is marked beside the fuse adapter. Damage caused by awrong type of fuse is not covered by the guarantee.Under- and overvoltages in the mains supplyPrimary circuits of machine are protected against sudden, transient overvoltages. Machine isdesigned to withstand 3 x 440 V voltage continously. See to it that voltage is kept within admissiblelimits especially when mains supply is taken eg from combustion engine generator. If the mainshas undervoltage (under ca. 300 V), machine control stops automatically.