Chicago Electric Comprehensive Guide to Welder Parts, Wiring Diagrams, and Maintenance Tips
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Parts List and Diagrams

SAFETY

SETUP

Wiring Diagram

Welding

Torch Switch

BASIC WELDING

Gas/Gasless

Gasless

Ground Clamp

Gas

Welding Torch

Parts List

WELDING TIPS

MAINTENANCE

Part

Description

Qty

1

Ground Clamp (and Cable)

1

2

Power Cord

1

3

Grommet

2

4

Current Switch

2

5

Wire Speed Knob

1

6

Front Panel

1

7

PCB Holder

1

8

PCB

1

9

Divider

1

10

Control Transformer

1

11

Thermal Protector

1

12

Transformer

1

13

Foot

4

14

Right Panel

1

15

Gas Connector

1

16

Back Panel

1

17

Rectifier Bracket

1

18

Fan

1

19

Rectifier

1

Record Serial Number Here:

Note: If product has no serial number, record month and year of purchase instead.

Part

Description

Qty

20

Handle

1

21

Spool Holder

1

22

Hinge

2

23

Wire Feed Mechanism

1

24

Left Panel

1

25

Red Terminal

1

26

Latch

1

27

Black Terminal

1

28

Rubber Tube

1

29

Indicator

1

30

Torch Cable Grommet

1

31

Power Switch

1

32

Torch (and Cable)

1

33

Face Shield Handle

1

34

Face Shield Shell

1

35

Filter Lens

1

36

Wire Brush / Chipping Hammer

1

37

Wrench

1

Note: Some parts are listed and shown for illustration purposes only, and are not available individually as replacement parts.

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

SKU 68885

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Contents Email our technical support at tech@harborfreight.com Save this ManualTable of Contents General SafetySafety Fume and Gas SafetyArc Ray Safety Setup Basic Welding Welding Tips MaintenanceSafety Setup Electrical SafetyFire Safety Welding Welding Tips MaintenanceWelding Maintenance MaintenanceGas Shielded Welding Cylinder safety Welder use and careExtension Cords Replacement CordsSetup Basic Welding GroundingBasic Welding Welding Tips Maintenance SymbologySpecifications Setup Face Shield AssemblyTips Maintenance Plug AttachmentWire Spool Installation Setup Basic DcenDcep 8mm = .030 & 0.6mm = Tensioner ArmFeed Roller Instructions Feed Roller Knob 030/.035 groove and stamp Groove and stampSafety Hold Wire welding SecurelySetup Basic Welding Welding Tips Welding WireIncrementally Increase tension Until wire bends Turn the Welder OFFSafety Setup Basic Welding Welding Tips Maintenance Basic WeldingTo Prevent Serious Injury Dial WireControl Panel Layout CordDuty Cycle Duration of Use Torch Concrete slabMIN MAX Flux Weld SettingsMIG Weld Settings MINSetting Up The Weld Do not Switch the CurrentWhile Welding From Asphyxiation Hold Torch ClearBasic Welding Technique Stringer beadMIG only Close shielding gas tank valve completelyUp to 2 minutes Welding at rated output Cleaning the Weld Strike TestWelding Tips Weld Diagnosis Example Weld DiagramsWorkpiece Heat Control / Weld Penetration To CorrectBend at Joint Weld ProblemsPenetration Workpiece Heat Control Coat of Slag Over WeldCrooked/Wavy Bead PorosityExcessive Spatter Burn-ThroughFire and Burns Nozzle and Contact Tip Inspection and CleaningMaintenance Compressed air, blow out all dust from the interiorTroubleshooting Wire feed motor runs but wire does not feed properlyWire creates a bird’s nest during operation Welding arc not stableWire Feeds, but arc does not ignite TroubleshootingPower switch does not light when switched on Safety Setup Basic Welding Welding TipsParts List and Diagrams Wiring DiagramParts List Record Serial Number HereAssembly Diagram Welding3 4 5 6 7 8 9 10 11 12 13 Limited 90 Day Warranty Mission Oaks Blvd. PO Box 6009 Camarillo, CA 93011 800

MIG 170 specifications

The Chicago Electric MIG 170 is a versatile and powerful welding machine designed for both amateur and professional welders. This compact welder is particularly suited for those who frequently work on metal fabrication projects, automotive repairs, and home improvement tasks. With its impressive performance capabilities and a range of user-friendly features, the Chicago Electric MIG 170 has become a popular choice among welding enthusiasts.

One of the standout features of the Chicago Electric MIG 170 is its robust welding output. It operates on standard 220-volt power, allowing it to deliver a consistent output that ranges from 30 to 170 amps. This wide range provides users with the capability to weld various materials, including mild steel, stainless steel, and aluminum. Additionally, it is capable of welding materials up to 5/16 inches thick, making it a reliable choice for heavy-duty applications.

The MIG 170 utilizes a gasless flux-cored wire welding process, which makes it suitable for outdoor use without the necessity of shielding gas. This feature eliminates the need for additional gas tanks, making the welding experience simpler and more cost-effective. Users can also switch to MIG welding with a gas setup if desired, allowing for greater versatility in their projects.

Moreover, this welder is equipped with an adjustable wire feed speed control, permitting users to customize their welding settings for different thicknesses of material. The easy-to-read control panel enhances usability, giving welders the ability to quickly adapt to changing conditions and requirements. A built-in thermal overload protection system further ensures that the machine operates safely, preventing damage due to overheating during extended use.

The portability of the Chicago Electric MIG 170 is another key advantage. Weighing in at approximately 60 pounds, it can easily be transported to job sites or moved around a workshop. Its compact design does not compromise on performance, making it a great addition to any workspace.

Overall, the Chicago Electric MIG 170 is an excellent welding machine that blends power, efficiency, and ease of use. Its combination of features makes it suitable for beginners and seasoned welders alike, solidifying its reputation as a go-to option in the welding community. Whether for hobbyist projects or more serious applications, the MIG 170 remains a reliable and effective choice for various welding needs.
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