Tweco 170Ti Transtig - Manual (Page 60)

TRANSTIG 170Ti
POWER SOURCE PROBLEMS AND ROUTINE SERVICE REQUIREMENTS 5-4 Manual 0-5279
F. 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.
G. Repairs
If any parts are damaged for any reason, it is recommended that replacement be performed by an ac-
credited Cigweld Service Provider.
Power Source Calibration
A. Schedule
Output testing of all Cigweld 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 AS 1674.2 - 2007, then the above tests should be carried out prior to entering this location.
B. Calibration Requirements
Where applicable, the tests outlined in Table 6-3 below shall be conducted by an accredited CIGWELD
service agent.
Testing Requirements
Output current (A) to be checked to ensure it falls within applicable Cigweld power source specifications
Output Voltage (V) to be checked to ensure it falls within applicable Cigweld power source specifications
Accuracy of digital meters to be checked to ensure it falls within applicable Cigweld power source specifi-
cations
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
conducting the measurement in question. Only test equipment with valid calibration certificates (NATA
certified laboratories) shall be utilized.
5.03 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.