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Harbor Freight Tools. Diagrams within this manual may not be drawn proportionally. Due to continuing improvements, actual product may differ slightly from the product described herein.
WORk piECE AnD WORk AREA SEt up ...10 gEnERAL OpERAting inStRuCtiOnS ... 11 mAintEnAnCE AnD SERViCing...13 tROubLEShOOting...14 pLEASE READ thE FOLLOWing CAREFuLLY ...14 pARtS LiSt...15 ASSEmbLY DiAgRAm ...16 LimitED 1 YEAR / 90 DAY WARRAntY...17 SKU 97719 For technical questions, please call 1-800-444-3353. COntEntS Page 2...
WARning indicates a hazardous situation which, if not avoided, could result in death or serious injury. SKU 97719 For technical questions, please call 1-800-444-3353. CAutiOn, used with the safety alert symbol, indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.
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NIOSH-approved respirator, heavy- duty work gloves, non-skid safety shoes, or hearing protection used for appropriate conditions will reduce personal injuries. SKU 97719 For technical questions, please call 1-800-444-3353. Avoid accidental starting. Ensure the switch is in the off-position before plugging in.
Specific Safety Rules Maintain labels and nameplates on the tool. These carry important safety information. If unreadable or missing, contact Harbor Freight Tools for a replacement. NEVER connect one Cable (33, 34) to a DC Cable Connection Knob (22) and the other Cable to an AC Cable Connection Knob.
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Do not wear pants with cuffs, shirts with open pockets, or any clothing that can catch and hold molten metal or sparks. SKU 97719 For technical questions, please call 1-800-444-3353. • Keep clothing free of grease, oil, solvents, or any flammable substances.
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Clean and purge containers before applying heat. Vent closed SKU 97719 For technical questions, please call 1-800-444-3353. containers, including castings, before preheating, welding, or cutting. Do not touch live electrical parts.
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SKU 97719 For technical questions, please call 1-800-444-3353. WARning inhALAtiOn hAzARD: Welding and plasma Cutting produce tOxiC FumES.
When unpacking, check to make sure that the item is intact and undamaged. If any parts are missing or broken, please call Harbor Freight Tools at the number shown on the cover of this manual as soon as possible. initiAL SEt up...
Workpiece and Work Area Set up Designate a work area that is clean and well-lit. The work area must not SKU 97719 For technical questions, please call 1-800-444-3353. allow access by children or pets to prevent injury and distraction.
OVERLOAD YELLOW LAmp (24) pOWER SWitCh knOb (25) AmpERAgE COntROL knOb (26) SKU 97719 For technical questions, please call 1-800-444-3353. • At a 15% duty cycle (at 100 Amps DC), welding can occur for 1.5 minutes and then the welder must cool for 8.5 minutes.
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Thin metals use lower current and heavy metals use higher current. (See Figure b.) Make sure the Power Switch Knob (25) is off, then plug the Arc Welder’s Power Cord (32) into a dedicated, 240 VAC, with delayed action type circuit breaker or fuses.
AFtER uSE, store the Arc Welder in a clean, dry, safe location out of reach of children and other unauthorized people. note: When not in use, always keep the grounding cable and its Clamp (34) disconnected from any metal object.
ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO, OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO. SKU 97719 For technical questions, please call 1-800-444-3353. tROubLEShOOting...
Harbor Freight Tools also warrants to the original purchaser, for a period of one year from date of purchase, that the transformer and rectifier are free from defects in materials and workmanship (90 days if used by a professional contractor or if used as rental equipment).
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