Instruction/ maintenance manual of the product MIG 170 Chicago Electric
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Visit our website at: http://www .harborfreight.com Email our technical support at: tech@harborfreight.com Read this material before using this product. Failure to do so can result in serious injury . SA VE THIS MANUAL. Copyright © 201 1 by Harbor Freight T ools ® .
Page 2 For technical questions, please call 1-800-444-3353. SKU 68885 T able of Contents Safety ......................................................... 2 Setup .......................................................... 7 Specifications .............
Page 3 For technical questions, please call 1-800-444-3353. SKU 68885 Fume and Gas Safety FUMES AND GASES can be hazardous to your health. 1. Exposure to welding or cutting exhaust fumes can increase the risk of developing certain cancers, such as cancer of the larynx and lung cancer .
Page 4 For technical questions, please call 1-800-444-3353. SKU 68885 Electrical Safety ELECTRIC SHOCK can KILL. 1. T urn off, disconnect power , and discharge electrode to ground before setting down torch/electrode holder and before service. 2. Do not touch energized electrical parts.
Page 5 For technical questions, please call 1-800-444-3353. SKU 68885 W elder use and care 1. Do not use the welder if the switch does not turn it on and off.
Page 6 For technical questions, please call 1-800-444-3353. SKU 68885 Grounding TO PREVENT ELECTRIC SHOCK AND DEA TH FROM INCORRECT GROUNDING WIRE CONNECTION: Check with a qualified electrician if you are in doubt as to whether the outlet is properly grounded.
Page 7 For technical questions, please call 1-800-444-3353. SKU 68885 Symbology Wire Feed (Speed) Workpiece Ground Cable T orch Cable Overheat Shutdown Indicator Cooling Fan Housing Ground Point V~ V .
Page 8 For technical questions, please call 1-800-444-3353. SKU 68885 1. Attach the handle to the Face Shield by lining up the two rectangular tabs on the handle with the corresponding holes in the face shield and A. press the tabs through the holes and then B.
Page 9 For technical questions, please call 1-800-444-3353. SKU 68885 Wire Spool Installation 1. T urn the welder OFF and unplug it before proceeding. 2. Pull up on the door latch, then open the Door . 3. Remove the Spool Knob, Spool Spring, and upper Spool Plate.
Page 10 For technical questions, please call 1-800-444-3353. SKU 68885 6a. Flux Core (Gas-less) Wire Setup: Remove the two Knobs securing the cables. Connect the Black Ground Cable to the rear , red, positive T erminal using the Knob. Connect the Red T orch Cable to the front, black, negative T erminal using the other Knob.
Page 1 1 For technical questions, please call 1-800-444-3353. SKU 68885 7. T urn the Feed T ensioner knob counterclockwise to loosen it enough to pull it down to remove tension. (Do not loosen the T ensioner knob too much, or the T ensioner will come apart.
Page 12 For technical questions, please call 1-800-444-3353. SKU 68885 IMPORT ANT : Securely hold onto the end of the welding wire and keep tension on it during the following steps. If this is not done, the welding wire will unravel and create a tangled “bird’ s nest”, wasting wire.
Page 13 For technical questions, please call 1-800-444-3353. SKU 68885 W ARNING The following steps require applying power to the welder with the cover open. T o prevent serious injury from fire or electric shock: 1. Do not touch anything (especially not the Ground Clamp) with the T orch or welding wire, or an arc may be ignited.
Page 14 For technical questions, please call 1-800-444-3353. SKU 68885 17. T o check the wire’s drive tension, feed the wire against a piece of wood from 2 to 3 inches away . If the wire stops instead of bending, turn the welder OFF , unplug it, slightly tighten the feed tensioner clockwise, and try again.
Page 15 For technical questions, please call 1-800-444-3353. SKU 68885 Basic Welding Read the ENTIRE IMPORT ANT SAFETY INFORMA TION section at the beginning of this manual including all text under subheadings therein before welding.
Page 16 For technical questions, please call 1-800-444-3353. SKU 68885 Control Panel Layout Overload Indicator: This lights up if duty cycle work period is exceeded, resulting in overheating the welder .
Page 17 For technical questions, please call 1-800-444-3353. SKU 68885 A void damage to the Welder by not welding for more than the prescribed duty cycle time. The Duty Cycle defines the number of minutes, within a 10 minute period, during which a given welder can produce a particular welding current without overheating.
Page 18 For technical questions, please call 1-800-444-3353. SKU 68885 Metal Thickness Flux W eld Settings DCEN Polarity NO GAS Material Being Welded Wire T ype Shielding Gas Wire Diameter Suggested Settings 22 Ga .030″ 0.8mm 18 Ga .048″ 1.2mm 16 Ga .
Page 19 For technical questions, please call 1-800-444-3353. SKU 68885 1. Make practice welds on pieces of scrap the same thickness as your intended workpiece to practice technique before welding anything of value.
Page 20 For technical questions, please call 1-800-444-3353. SKU 68885 DANGER! TO PREVENT DEA TH FROM ASPHYXIA TION: Do not open gas without proper ventilation. Fix gas leaks immediately . Shielding gas can displace air and cause rapid loss of consciousness and death.
Page 21 For technical questions, please call 1-800-444-3353. SKU 68885 1. Press (and hold) T rigger and contact area to be welded with electrode wire to ignite arc. 2. For a narrow weld, you can usually draw the wire in a steady straight line, this is called a stringer bead .
Page 22 For technical questions, please call 1-800-444-3353. SKU 68885 Note: If Welder is used too long, the amber Overload Indicator will light and the Welder T orch will shut off until the welder cools.
Page 23 For technical questions, please call 1-800-444-3353. SKU 68885 Welding T ips A good way to test welding technique is to examine a weld’s appearance after it has cooled and the slag has been removed. Then, better welding can be learned by adjusting your weld technique to remedy any problems found.
Page 24 For technical questions, please call 1-800-444-3353. SKU 68885 EXCESS PENETRA TION OR BURN-THROUGH PROPER PENETRA TION INADEQUA TE PENETRA TION Not hot enough T oo hot Ideal heat Weld Diagnosi.
Page 25 For technical questions, please call 1-800-444-3353. SKU 68885 EXCESS PENETRA TION OR BURN-THROUGH Weld droops on top and underneath, or falls through entirely , making a hole. PROPER PENETRA TION Weld is visible underneath and bulges slightly on top.
Page 26 For technical questions, please call 1-800-444-3353. SKU 68885 Burn-Through Base material melts away , leaving a hole in the weld. POSSIBLE CAUSES AND SOLUTIONS 1. Workpiece overheating: Reduce current and/or wire feed speed. 2. Welding speed too slow: Increase welding speed and ensure that welding speed is kept steady .
Page 27 For technical questions, please call 1-800-444-3353. SKU 68885 Maintenance TO PREVENT SERIOUS INJUR Y , FIRE AND BURNS: Unplug the welder , rest the T orch on a heat-proof, electrically non-conductive surface, and allow all parts of the Welder to cool thoroughly before service.
Page 28 For technical questions, please call 1-800-444-3353. SKU 68885 T roubleshooting IMPORT ANT! Be CERT AIN to shut off the Welder , disconnect it from power , and discharge the T orch to ground before adjusting, cleaning, or repairing the unit. Wire feed motor runs but wire does not feed properly POSSIBLE CAUSES AND SOLUTIONS 1.
Page 29 For technical questions, please call 1-800-444-3353. SKU 68885 T roubleshooting (continued) IMPORT ANT! Be CERT AIN to shut off the Welder , disconnect it from power , and discharge the T orch to ground before adjusting, cleaning, or repairing the unit.
Page 30 For technical questions, please call 1-800-444-3353. SKU 68885 Parts List and Diagrams Wiring Diagram Gas/Gasless Gasless Welding T orch Gas Ground Clamp Welding T orch Switch Parts List Record Serial Number Here: Note: If product has no serial number , record month and year of purchase instead.
Page 31 For technical questions, please call 1-800-444-3353. SKU 68885 Assembly Diagram 12345678 9 10 11 12 13 14 32 31 30 29 28 27 26 25 15 16 17 18 19 20 21 22 23 24 33 35 36 37 34 SAFETY MAINTENANC.
3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 9301 1 • (800) 444-3353 Limited 90 Day W arranty Harbor Freight T ools Co. makes every effort to assure that its products meet high quality .
An important point after buying a device Chicago Electric MIG 170 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Chicago Electric MIG 170 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Chicago Electric MIG 170 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Chicago Electric MIG 170 you will learn all the available features of the product, as well as information on its operation. The information that you get Chicago Electric MIG 170 will certainly help you make a decision on the purchase.
If you already are a holder of Chicago Electric MIG 170, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Chicago Electric MIG 170.
However, one of the most important roles played by the user manual is to help in solving problems with Chicago Electric MIG 170. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Chicago Electric MIG 170 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
