Hobart Welding Products OM-928 specifications Troubleshooting Torch

4-6. Troubleshooting Torch

Does arc go on and off while cutting?

No

	Torch travel speed too slow;
	increase travel speed (see
Yes	Section 3-2). Clean or
	replace torch consumables			Go to Section 4-5.
	as necessary (see Section
	4-4). Be sure work clamp is
	securely	attached	to
	workpiece.

Does arc go out while cutting?

No

Do sparks come out of top of cut; or cut is not clean?

No

Is Trouble light On; unit has no cutting output?

No

Go to Section 4-5.

Yes

Yes

Yes

Be sure work clamp is securely attached to work- piece. Make sure drag shield contacts metal while cutting. Clean or replace torch consumables as necessary (see Section

4-4).

Torch travel speed too fast; reduce travel speed (see Section 3-2). Clean or replace torch consumables as necessary (see Section 4-4). Be sure work clamp is securely attached to workpiece. Unit not capable of cutting metals thicker than rating (see Section 2-1).

Check torch shield cup (see Section NO TAG); reset unit Power switch. *Check torch and connections inside unit.

Go to Section 4-5.

Go to Section 4-5.

*Servicing procedure to be performed only by authorized Service Station.

OM-928 Page 19