Tweco ArcMaster 401S Manuel d'utilisateur télécharger pdf (Page 58)

ARCMASTER 401S POWER SOURCE

POWER SOURCE PROBLEMS AND ROUTINE SERVICE REQUIREMENTS 5-4 Manual 0-5345

5.04 Routine Inspection, Testing & Maintenance

The inspection and testing of the power source and associated accessories shall be carried out by a licensed elec-

trician. Safety in Welding and Allied Processes-Part 2 Electrical. This includes an insulation resistance test and an

earthing test to ensure the integrity of the unit is compliant with Tweco original speciﬁcations.

A. Testing Schedule

1. For transportable equipment, at least once every 3 months; and

2. For ﬁxed equipment, at least once every 12 months.

The owners of the equipment shall keep a suitable record of the periodic tests and a system of tagging, includ-

ing the date of the most recent inspection.

A transportable power source is deemed to be any equipment that is not permanently connected and ﬁxed in

the position in which it is operated.

B. General Maintenance Checks

Welding equipment should be regularly checked by an accredited Tweco Service Provider to ensure that:

1. Flexible cord is of the multi-core tough rubber or plastic sheathed type of adequate rating, correctly

connected and in good condition.

2. Welding terminals are in suitable condition and are shrouded to prevent inadvertent contact or short

circuit.

3. The Welding System is clean internally, especially from metal ﬁling, slag, and loose material.

C. 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.

D. Repairs

If any parts are damaged for any reason, it is recommended that replacement be performed by an accredited

Tweco Service Provider.

5.05 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 surfaces clean.

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Tweco ArcMaster 401S Manuel d'utilisateur Page 58