Tweco 252i Fabricator - Manual (Page 85)

PROBLEMS/SERVICE FABRICATOR 252i
Manual 0-5155 5-5 PROBLEMS AND ROUTINE SERVICE
B. Calibration Requirements
Where applicable, the tests outlined in Table 5-4 below shall be conducted by an accredited Tweco service agent.
Testing Requirements
Output current (A) to be checked to ensure it falls within applicable Tweco power source specifications
Output Voltage (V) to be checked to ensure it falls within applicable Tweco power source specifications
Motor Speed (Inches Per Minute) of wire drive motors to be checked to ensure it falls within required
Tweco power source / wire feeder specifications
Accuracy of digital meters to be checked to ensure it falls within applicable Tweco power source specifica-
tions
Table 5-4: 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 con-
ducting the measurement in question. Only test equipment with valid calibration certificates (NATA certified
laboratories) shall be utilized.