LEEPS SMAW Maintenance and Repair Assessment

Welding power supplies have cooling apparatus that needs to be blown out periodically.

• True

• False

Servicing/repairing the electrode holder may include the following:

• All the above
• removing the roll pin connecting the jaws to provide better access for cleaning the jaws

• replacing one or more of the insulators on the jaws

• Checking the cable lead connection for a tight connnection

When purchasing cables, select the appropriate cable based on both length and amperage.

• True

• False

Maintaining the welding power supply is the duty of the shop engineer.

• True

• False

A cut in the insulation on a cable lead that allows the copper cable inside to be exposed is a risk of electrical shock.

• True

• False

Work clamps are the first place to look for a loose connection.

• False

• True

If the electrode holder is too hot to hold, the likely loose connection is the

• machine lugs

• holder jaws

• electrode

• cable connection at the electrode holder

Damaged welding cables can be spliced by a qualified repair person.

• True

• False

Electrode holders are rated by the size of electrode they hold (which gives you the amperage they can carry).

• True

• False

Loose electrical connections on the work clamp cause the clamp to

• loosen up

• overheat

• turn color

• fall off