Harbor Freight Tools 98871 Weld Diagnosis, Workpiece Heat Control / Weld Penetration

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Weld Diagnosis

Workpiece Heat Control / Weld Penetration

Inadequate Penetration

Proper Penetration

Excess Penetration or

burn-through

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Not hot enoughIdeal heatToo hot

How to increase workpiece heat

How to reduce workpiece heat

and increase penetration:

and limit penetration:

(to weld thicker workpieces properly)

(to weld thinner workpieces properly)

a.Use MAX setting

c. Use faster wire feed

a.Use MIN setting

c. Use slower wire feed

b.Weld more slowly

d.Use shorter stickout

b.Weld more quickly

d.Use longer stickout

 

 

 

 

 

 

 

 

Example Weld Diagrams

Safety

Setup

Basic Welding

Good Weld

Current

Too Low

To Correct:

min On

7

8

9

mAxOFF

Current

Too High or

Wire Feed

Too Fast

To Correct:

min On

7

8

9

mAxOFF

or

5

46

mi

37

28

19

mA

010

wire-Feed Speed

Weld Speed

Too Fast

To Correct:

weld

slower

Weld Speed

Too Slow

To Correct:

weld

faster

Stickout

Too Long

To Correct:

maintain

less

than 1/2” stickout

Welding Tips

Service

SKU 98871 For technical questions, please call 1-800-444-3353.

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Contents For technical questions or replacement parts, please call Safety Setup Basic Welding Welding Tips ServiceSave This Manual General Safety WarningsTy Safe TupeS ingd el c W Basi Tipsingd elW Ec Servi For technical questions, please callMany accidents are caused by poorly maintained welders Welder Safety Warnings Ty Safe TupeS ingd el c W BasiTipsingd elW Ec Servi Safety Setup Basic Welding Welding Tips Service Grounding Symbology Grounded WeldersExtension Cords Unpacking SpecificationsSetup Welding SafetyWelding Service Basic TipsTy Safe Wire Spool 27 InstallationTupeS ingd el c W Basi Tipsingd elW Turn the welder OFF and unplug it before proceedingWelding Tips Service Setup Basic WeldingWasting wire SKU For technical questions, please callArm Turn the welder OFF Safety Setup Basic Welding TipsTupeS ingd el c W Basi Tipsingd elW Ec Servi Basic WeldingSafety Setup Basic Welding Welding Tips ServiceControl Panel Layout Ty Safe TupeS ingd Weld Settings Chart Material Thickness SteelEl c W Basi Tipsingd elW Duty Cycle Duration of UseThen plug the Welder into a dedicated Setting Up The WeldBasic Welding Technique Drag AngleStickout Follow Duty Cycle Unplug the Power CordWelding Tips Cleaning the WeldSafe ElWSafety Setup Basic Welding Example Weld DiagramsWeld Diagnosis Workpiece Heat Control / Weld PenetrationWeld Problems El c W BasiElW Ec Servi Setup Basic Welding Welding Tips Service Nozzle 3 Inspection Cleaning, and Replacement ServiceContact Tip 2b Inspection Cleaning, and Replacement Troubleshooting Wire feed motor runs but wire does not feed properlyWire creates a bird’s nest during operation Faulty or improperly connected Trigger 1c TroubleshootingInternal fuse blown Never use another type or size fuseWire Feeds, but arc does not ignite Power switch 7a does not light when switched onPossible Causes and Solutions Improper ground connection Improperly sized or excessively worn Contact Tip 2bWelding arc not stable Weak Arc strengthWiring Schematic Parts Lists and DiagramsPart Description ’ty Parts ListAssembly Diagram Record Product’s Serial Number Here Detail of PartLimited 1 Year / 90 day Warranty

98871 specifications

Harbor Freight Tools 98871 is a versatile and powerful portable generator that meets the demands of both casual users and serious DIY enthusiasts. Known for its reliability and affordable price, this generator stands out in the market thanks to its impressive features, innovative technologies, and user-friendly characteristics.

One of the main features of the Harbor Freight Tools 98871 is its robust 7-horsepower engine, which delivers a starting wattage of 3,500 watts and a running wattage of 2,800 watts. This level of power is sufficient for operating a variety of household appliances, power tools, and emergency essentials during unexpected outages. Its compact design allows for easy portability, making it an ideal choice for camping trips, tailgating events, or as a backup power source for home use.

The generator is equipped with a 4-stroke engine that runs on gasoline, providing an efficient and reliable operation. It features a fuel tank capacity of 1.8 gallons, allowing for extended run times of up to 11 hours at half load. The low oil shutdown feature is a critical safety mechanism that automatically turns off the engine when oil levels are dangerously low, preventing potential damage and ensuring long-term performance.

In terms of noise levels, the Harbor Freight Tools 98871 is surprisingly quiet for a generator of its class. With a noise output of around 68 decibels, it can operate without being overly disruptive, allowing users to enjoy their activities without excessive background noise. This makes it suitable for use in residential areas, where keeping noise to a minimum is often a priority.

The generator also includes multiple outlets, such as 120V AC and 12V DC options, which provide versatility in power connections. This allows for the simultaneous use of various devices without the need for multiple generators, streamlining power distribution during operations.

In conclusion, the Harbor Freight Tools 98871 is a reliable and efficient portable generator that offers excellent value for its price. With its powerful engine, extended run time, and safety features, it caters to a wide range of power needs, making it an essential tool for both home users and outdoor enthusiasts. Whether needing backup power during an outage or taking power on the go, the 98871 stands out as a dependable choice.