Air Liquide Saf-Fro PRESTO 300MV Instructions D'utilisation page 14

EN
9 - MAINTENANCE
Twice a year, depending on the use of the device, inspect the following:
Cleanliness of the power source.
■
Electrical connections.
■
WARNING.
NEVER CARRY OUT CLEANING OR REPAIR WORK INSIDE THE
DEVICE BEFORE MAKING SURE THAT THE UNIT HAS BEEN
COMPLETELY DISCONNECTED FROM THE MAINS.
DISMANTLE THE POWER SOURCE COVER AND USE SUCTION
TO REMOVE DUST AND METAL PARTICLES ACCUMULATED
BETWEEN THE MAGNETIC CIRCUITS AND THE WINDINGS OF THE
TRANSFORMER.
WORK MUST BE PERFORMED USING A PLASTIC TIP TO AVOID
DAMAGE TO THE INSULATION OF THE WINDINGS.
WARNING.
LAYER OF DUST ON ELECTRICAL COMPONENTS MAY DECREASE
THE DUTY CYCLE OF THE POWER SOURCE.
MAINTENANCE
WARNING.
TWICE A YEAR:
• COMPRESSED AIR BLOWING.
• PERFORM CALIBRATION OF THE CURRENT SETTING.
• CHECK ELECTRICAL CONNECTIONS OF THE POWER
CONTROL AND THE POWER SUPPLY CIRCUITS.
• CHECK THE CONDITION OF INSULATION, CABLES AND
CONNECTIONS.
WARNING.
AT EACH START-UP OF THE WELDING UNIT AND PRIOR TO
CALLING CUSTOMER SUPPORT FOR TECHNICAL SERVICING,
PLEASE CHECK THAT:
• POWER TERMINALS ARE NOT IMPROPERLY TIGHTENED.
• THE SELECTED MAINS VOLTAGE IS CORRECT.
• THE CONDITION OF:
- PRIMARY CABLE AND PLUG.
- SECONDARY LEADS.
- TIG TORCH WHEN USED.
EN-14