ESAB ET 220i AC/DC, Руководство по эксплуатации

Страница: 65 / 74

ET 220I AC/DC
Manual 0-5346 POWER SOURCE PROBLEMS AND ROUTINE SERVICE REQUIREMENTS
5-5
E. Accessories
Accessory equipment, including output leads, electrode holders, torches, wire feeders and the like shall be inspected at least monthly
by a competent person to ensure that the equipment is in a safe and serviceable condition. All unsafe accessories shall not be used.
F. Repairs
If any parts are damaged for any reason, it is recommended that replacement be performed by an accredited ESAB Service Provider.
Power Source Calibration
A. Schedule
Output testing of all ESAB Inverter Power Sources and applicable accessories shall be conducted at regular intervals to ensure they
fall within specified levels. Calibration intervals shall be as outlined below -
1. For transportable equipment, at least once every 3 months; and
2. For fixed equipment, at least once every 12 months.
If equipment is to be used in a hazardous location or environments with a high risk of electrocution as outlined in EN 60974-1, then
the above tests should be carried out prior to entering this location.
B. Calibration Requirements
Where applicable, the tests outlined in Table 5-3 below shall be conducted by an accredited ESAB service provider.
Testing Requirements
Output current (A) to be checked to ensure it falls within applicable ESAB power source specifications
Output Voltage (V) to be checked to ensure it falls within applicable ESAB power source specifications
Accuracy of digital meters to be checked to ensure it falls within applicable ESAB power source
specifications
Table 5-5: Calibration Parameters
Periodic calibration of other parameters such as timing functions are not required unless a specific fault has been identified.
C. Calibration Equipment
All equipment used for Power Source calibration shall be in proper working condition and be suitable for conducting the measurement
in question. Only test equipment with valid calibration certificates (NATA certified laboratories) shall be utilized.
5.04 Cleaning the Welding Power Source
WARNING
There are dangerous voltage and power levels present inside this product. Do not attempt to open or
repair unless you are a qualified electrical tradesperson. Disconnect the Welding Power Source from the
Mains Supply Voltage before disassembling.
To clean the Welding Power Source, open the enclosure and use a vacuum cleaner to remove any accumulated dirt, metal filings, slag
and loose material. Keep the shunt and lead screw surfaces clean as accumulated foreign material may reduce the welders output
welding current.