Harbor Freight Tools 97503 Maintenance Servicing, Cleaning, Maintenance, Lubrication, Nozzle Care

Models: 97503

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Maintenance And

Servicing

Procedures not specifically explained in this manual must be performed only by a qualified technician.

WARNING To prevent serious injury

from accidental operation:

Turn the Power Switch of the tool to its “OFF” position and unplug the tool from its electrical outlet before performing any inspection, maintenance, or cleaning procedures.

To prevent serious injury from tool failure:

Do not use damaged equipment. If abnormal noise or vibration occurs, have the problem corrected before further use.

Cleaning, Maintenance, and

Lubrication

1.BEFORE EACH USE, inspect the general condition of the tool. Check for loose screws, misalignment or binding of moving parts, cracked or broken parts, damaged electrical wiring, and any other condition that may affect its safe operation.

2.After Use, clean external surfaces of the tool with clean cloth.

3.Periodically, open the Access Panel (12) from the unit and, using

compressed air, blow out all dust and debris from the interior.

4.WARNING! If the supply cord of this power tool is damaged, it must be replaced only by a qualified service technician.

Nozzle Care

1.Turn the Nozzle counterclockwise while pulling to remove.

2.Scrub the interior of the Nozzle clean with a wire brush.

3.Examine the end of the Nozzle. The end should be flat and even. If the end is uneven, chipped, melted, cracked, or otherwise damaged, the Nozzle will adversely effect the weld and should be replaced.

4.Replace the Nozzle after inspecting and cleaning the Contact Tip

Contact Tip Care

1.Make sure the entire Welding Torch is completely cool before proceeding.

2.Remove the Nozzle, as explained above, and the Contact Tip.

3.Scrub the exterior of the Contact Tip clean with a wire brush. Check that the Contact Tip is the proper type for the wire size used.

4.Examine the hole at the end of the Contact Tip for the following problems:

Shape: The hole should be an even circle, and should not be oblong or have any bulges in it.

Size: The Contact Tip will decrease in efficiency as the center hole

SKU 97503

For technical questions, please call 1-800-444-3353.

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Harbor Freight Tools 97503 Maintenance Servicing, Cleaning, Maintenance, Lubrication, Nozzle Care, Contact Tip Care