Husky PIONEERMP180DV User guide

Brand: Husky

Model: PIONEERMP180DV

Category: Welding System

Type: User guide

This manual is also suitable for

MP180

Item # 100 695 8752

Model # MP180

THANK YOU

We appreciate the trust and con dence you have placed in Husky through the purchase of this inverter welder. We strive to continually

create quality products designed to enhance your home. Visit us online to see our full line of products available for your home improvement needs.

Thank you for choosing Husky!

USE AND CARE GUIDE

HUSKY MP180 INVERTER WELDER

Questions, problems, missing parts?

Before returning to the store, call

Husky Customer Service

8 a.m. – 7 p.m., EST, Monday-Friday

9 a.m. – 6 p.m., EST, Saturday

1-888-43-HUSKY

HUSKYTOOLS.COM

Table of Contents

Table of Contents ........................................................ 2

Safety Information ....................................................... 2

Work Area Safety .....................................................................2

Personal Safety ........................................................................2

Electrical Safety .......................................................................3

Fire Prevention .........................................................................4

Use and Care ............................................................................4

Arc Welding ..............................................................................5

Warranty ....................................................................... 5

3 Year Limited Warranty ..........................................................5

Pre-operation ............................................................... 6

Specifications ..........................................................................6

Symbols ...................................................................................7

Package Contents (DIAGRAM) ..................................................8

Package Contents (LISTS) ........................................................9

Operation Instruction – STICK/TIG Mode ................ 10

Operation Instruction – MIG Mode ........................... 13

Maintenance ............................................................... 17

Troubleshooting ......................................................... 18

Service Parts .............................................................. 20

Assembly Diagram .................................................................20

Safety Information

WORK AREA SAFETY

WARNING: Operating the welding machine without

preparation and caution can cause death, injury to yourself

or bystanders. To reduce the risks, the operator should

read, understand and follow the safety instructions.

Bystanders in the area should also follow the safety

instructions under the guidance of operator.

□ Ensure your work area is clean and well lit.

□ Keep the welder on a stable and clean surface while

operating.

□ Keep children, bystanders and visitors away while operating

welding machine. Distractions can cause you to lose control.

□ Do not operate machine in explosive atmospheres, such as

in the presence of flammable liquids, gases or dust. Flying

sparks during welding may ignite the dust or fumes.

□ Do not leave energized machine unattended. Always turn off

the machine before servicing parts, replacing components or

when the machine is not in use.

PERSONAL SAFETY

WARNING: Welding processes generate high-temperature

arc, welding sparks, hot slag and hot spatters. Welding arc

generates extremely intense ultraviolet and infrared light.

Failure to wear protective equipment during welding can

severely damage your eyes and burn your skin. To reduce

the risks, the operator should read, understand and follow

the safety instructions. Bystanders in the area should also

follow the safety instructions under the guidance of

operator.

WARNING: Welding processes generate fumes, gases and

vapors which can cause discomfort, illness and death. To

reduce the risks, the operator should read, understand and

follow the safety instructions. Bystanders in the area should

also follow the safety instructions under the guidance of

operator.

□ Do not weld without proper protection. Flying sparks can

cause burn injury. Always wear protective clothing and face

shield. The intensive light of the electrical arc can also burn

skin. Ensure to wear closed-toe shoes, gloves and clothing

with heavy material with long sleeves and collar.

□ Do not look at an electric arc without proper eye protection.

An electric arc is extremely bright and intense which can

burn the eye retina and cause permanent damage when

equipped with inadequate or no eye protection.

□ Do not weld in a confined areas without adequate

ventilation. Otherwise, wear an air-supplied respirator.

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Safety Information (continued)

□ Remind bystanders before striking a weld arc and make

sure they are at a safe distance and aware of coming

intensive welding arc.

□ Make sure you are in a proper position while operating the

welder. Do not overreach. Keep proper footing and balance

at all times, which enables better control of the welder in

unexpected situation.

□ Stay alert when operating a welding machine. Do not use a

machine while you are tired or under the influence of drugs,

alcohol or medication. Avoid unintentional starting.

□ Make sure you read the user manual and are well prepared

before welding.

ELECTRICAL SAFETY

WARNING: Improper use of welding machines will cause

electric shock. Electric shock can kill. To reduce the risks,

the operator should read, understand and follow the safety

instructions. Bystanders in the area should also follow the

safety instructions under the guidance of operator.

□ Do not expose welding machine to rain or come in contact

with a wet surface. Water entering a machine will increase

the risk of electric shock.

□ Do not make contact with any welding current circuits such

as ground clamps, electrodes, welding wires, MIG/TIG guns,

workpieces, any metal parts/conductive materials in contact

with electrode holder/workpieces.

□ Do not make contact with any grounded metal surfaces such

as metal pipes, radiators and refrigerators. There will be an

increased risk of electric shock when your body is grounded.

□ Ensure power is disconnected before setting up any TIG

torch/MIG gun/electrode holder, adjustment and services.

□ Do not abuse any cords. Never carry, pull or unplug the

welder by its cord. Keep any cords away from heat, oil,

sharp edges or moving parts. Damaged or entangled cords

could increase the risk of electric shock.

□ Inspect the welder before using it. Do not weld if you

observe any damaged and cracked parts, including but not

limited to damaged/cracked cables, electrode holders,

ground clamps and so on. Replace them before using the

welder.

□ Use an extension cord specific for outdoor use when

operating a welder outdoors.

□ Do not point torches/welding guns at people when

torches/welding guns are energized. Do not point MIG gun at

your eyes in any situation.

□ Do not weld in damp area or when welding equipment is in

contact with water or wet surface.

□ Do not weld when body or clothes are wet.

Safety Information (continued)

FIRE PREVENTION

WARNING: Failure to protect combustible materials against

welding sparks, hot slag and hot spatters can cause fire and

even explosion. Fire and explosion can cause death, injury

and property damage. To reduce the risks, please read,

understand and follow the safety instructions.

□ Check the area before welding. Ensure the work area is

checked and cleared of combustible and flammable

materials. A minimum distance of 35 feet (10 meters) is

required between work area and combustibles because 35

feet is an average distance welding sparks and slags can fly.

If the minimum 35 feet distance requirement cannot be met,

protect consumable/flammable materials with fire resistant

covers or shields.

□ Do not weld or cut on or near materials with combustible

coating or combustible internal substance, such as materials

in walls or ceilings, without any approved methods to

eliminate the hazard.

□ Do not weld or cut in areas (such as gas station) where the

air may contain flammable substances such as combustible

dust, gas, or liquid vapors.

□ Do not wear gloves, hair preparations, shoes and other

clothing that contains oil, grease, or other flammable

substances. Wear fire-resistant protective clothing to protect

upper and lower body against fire and heat. Protective

clothing includes but is not limited to leather gloves, heavy

long sleeve and cuffless shirts, heavy and cuffless pants,

high-topped shoes and helmet.

□ Do not dispose of hot slag in containers holding combustible

materials. Keep a fire extinguisher nearby and know how to

use it.

□ Follow requirements in OSHA and NFPA for hot work and

have an extinguisher nearby.

□ When finished welding, do not leave without a check for

evidence of potential fire. Overlooked smoke or flame have

risks to cause fire hazard. Check and make sure the welding

areas are free of sparks, slags, and flames before leaving

the welding area.

USE AND CARE

□ Ensure you choose the right welder model and welding

mode recommended for your application. Use the welder

and accessories in compliance with these instructions.

Operating a welder under improper conditions could cause

unpredictable safety issues.

□ Store idle welders out of reach of children. Do not allow

people who are unfamiliar with the welder and operational

instructions to operate the welder. Ignorance of any safety

instructions or operational guidance will result in potential

safety risk.

□ Replace damaged parts immediately before use. Many

accidents are caused by poorly maintained welders.

□ Have your welder serviced by a qualified service person if

you encounter problems.

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Safety Information (continued)

ARC WELDING

CAUTION: High frequency and electromagnetic energy

generated from the welding process could cause damage to

your electronical devices. To reduce the risks, please read,

understand and follow the safety instructions.

□ Follow manual to install and ground machine. Be sure

nearby equipment is compatible with electromagnetic

energy.

□ Electronic products such as computer, computer-driven

equipment and communication equipment can be interfered

or even harmed by electromagnetic energy. Users with

pacemakers should consult with their physician before using

a welder because a pacemaker can be damaged by

electromagnetic energy if exposed to it.

□ TIG welder and TIG welding process can generate high

frequency. High frequency can interfere with radio

navigation, safety services, computers and communication

equipment.

□ It is the user’s responsibility to have a qualified electrician

promptly correct any interference problem resulting from

installation or operation of the welder. The welder should be

regularly inspected and maintained. If necessary, shield the

work area or move the welding machine.

□ The warnings, cautions, and instructions discussed in this

instruction manual cannot cover all possible conditions and

situations. It must be understood by the users that common

sense and caution are factors which cannot be built into this

product, but must be provided by the operator.

Warranty

3 YEAR LIMITED WARRANTY

If this Husky product ever fails due to a defect in material or workmanship, return the product to any Home Depot retail store for

replacement with an item of equal or greater value. This warranty excludes incidental / inconsequential damages due to misuse, abuse, or

normal wear and tear. This warranty gives you specific rights, and you may also have other rights, which vary from state to state. Please

see store or call 1-888-43-HUSKY for details.

Pre-operation

SPECIFICATIONS

Process

Stick (SMAW - shielded metal arc welding)

TIG (GTAW - gas tungsten arc welding)

MIG (GMAW - gas metal arc welding)

Flux Core (FCAW – ux core arc welding)

Power Plug

240V/50A

Open Circuit Voltage

120V Input Voltage

Stick: 85V

TIG: 14V

MIG: 85V

240V Input Voltage

Stick: 85V

TIG: 14V

MIG: 85V

Duty Cycles

120V Input Voltage

Stick: 70A @ 40%

TIG: 90A @ 40%

MIG: 90A @ 40%

240V Input Voltage

Stick: 170A @ 25%

TIG: 180A @ 25%

MIG: 180A @ 25%

Welding Current Ranges

120V Input Voltage

Stick: 10A –70A

TIG: 10A – 90A

MIG: 30A – 140A

240V Input Voltage

Stick: 10A –170A

TIG: 10A – 180A

MIG: 30A – 180A

Welds Up To

120V Input Voltage

1/8 in. steel

240V Input Voltage

1/4 in. steel

Weldable Metals

Steel, stainless steel, aluminum

Wire and Wire Spool Capacity

0.025 in. to 0.045 in.; up to 11 lb spool

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SYMBOLS

Symbol Description Symbol Description

Inverter power source DC

Warning! Please read user manual.

MIG/MAG welding

Electric shock hazard. Do not touch

energized parts.

STICK welding

Fire hazard. Keep ammable materials

away during welding.

TIG welding

Arc ray hazard. Wear welding mask

with properly rated ter lens.

Suitable for welding in an

environment with increased risk of

electric shock

Inhalation hazard. Keep ventilation

Power supply type of electric device

or Hot start amperage

Input voltage indicator

Output amperage (TIG/STICK mode)

Tripped protection/alert indicator

Wire feed speed control socket

Output amperage indicator

or WFS

Wire feed speed

Output voltage (MIG mode)

Inductance

Positive DINSE socket

Negative DINSE socket

1~50/60Hz

Pre-operation (continued)

PACKAGE CONTENTS (DIAGRAM)

120V

240V

Spool Gun

MIG Gun

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Pre-operation (continued)

PACKAGE CONTENTS (LISTS)

Part Description

Output amperage indicator

Right knob

□ MIG mode: inductance adjustment knob

□ STICK/TIG mode: N/A

NOTE: the numbers “1-10” around the knob indicate a

scale instead of actual values.

Tripped protection/alert indicator

Negative (-) DINSE socket

Input voltage indicator

Positive (+) DINSE socket

Middle knob

□ MIG mode: voltage adjustment knob

□ STICK mode: hot start amperage adjustment knob

□ TIG mode: N/A

NOTE: the numbers “1-10” around the knob indicate a

scale instead of actual values.

ON/OFF power switch

Left Knob

□ MIG mode: wire feed speed adjustment knob

□ STICK/TIG mode: amperage adjustment knob

NOTE: the numbers “1-10” around the knob indicate a

scale instead of actual values.

Input power cord

Hole for gas hose (spool gun)

120V/240V voltage switch

MIG gun/spool gun cable socket

Gas input

MIG gun electrode polarity jumper

Wire spool spindle

Control socket (for MIG gun/spool gun/foot pedal)

Shielding gas connector

2T/4T switch button

MIG gun/spool gun switch

Welding mode switch button

Wire feeder

Operation Instruction – STICK/TIG Mode

Preparing for Welding

□ Designate a work area that is clean and well lit. Keep children

and pets out of the work area.

□ Read the user manual and safety guidelines before operating

the welder.

□ Ensure you understand the basic specification of your welder.

□ Wear PPEs to protect your eyes and skins from hot welding

sparks and intensive arc rays. Ensure same protections are

provided to any bystanders nearby.

□ Ensure all the combustible, flammable, hazardous substances

are removed from the work area. Make sure a fire

extinguisher within reach is available.

□ Inspect your welder before each use and do not operate a

welder with damaged cables and components. Replace all the

damaged parts before use. Have a qualified technician help

you if needed.

□ Shielding gas (inert gas only) is required for TIG mode

welding. Check the “Connecting the Gas Cylinder (TIG)”

instruction for more details.

WARNING: Welding processes generate high-

temperature arc, welding sparks, hot slag and hot

spatters. Welding arc generates extremely intense

ultraviolet and infrared light. Failure to wear

protective equipment during welding can severely

damage your eyes and burn your skin.

WARNING: Failure to protect combustible

materials against welding sparks, hot slag and hot

spatters can cause fire and even explosion. Fire

and explosion can cause death, injury and

property damage.

Connecting the Gas Cylinder (TIG)

□ Always make sure your gas cylinder is fully closed (turned

counterclockwise) when not welding or moving the cylinder.

□ Before welding, make sure your gas cylinder is securely fixed

to a wall or a steady workbench. Hitting by falling gas

cylinder can cause severe injury. Dropping gas cylinder can

cause hazard.

□ Turn the regulator adjustment knob counterclockwise to

ensure the gas regulator’s valve is fully closed.

□ Connect one end of the gas regulator with the gas cylinder.

□ Attach the other end of the gas regulator with a TIG torch gas

line.

□ Make sure all connectors are tightened or sealed.

□ Open the gas cylinder valve and adjust the gas flow as you

need on the regulator; a recommended range is 8.5 -17 cu

ft/h.

□ For TIG mode, use inert gas (argon) only.

WARNING: Gas cylinders are highly pressurized.

Improper use of gas cylinder can cause severe

accident. Do not drop the cylinder, knock it over,

expose it to excessive heat, flames or sparks.

Securely fix it to a steady wall or workbench while

using it.

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Operation Instruction – STICK/TIG Mode (Continued)

Setting Up for STICK Welding

□ Double check your input voltage:

For 120V: Switch voltage switch (Q) to 120V, use a 240V to

120V adapter while connecting to the 120V power source.

For 240V: Switch voltage switch (Q) to 240V, connect to 240V

power source.

□ Check the electrode packaging to determine the

recommended polarity.

□ For direct current electrode positive (DCEP) or direct current

reverse polarity (DCRP) welding process, plug ground clamp

into negative (-) DINSE socket (M) while plug electrode holder

into positive (+) DINSE socket (N). Most electrodes use DCEP.

□ Check whether the ground clamp has a good connection to

the workpiece and ensure workpieces are clean and dry (not

rusty, painted or oily).

□ Clamp the welding electrode with electrode holder.

□ Switch the ON/OFF power switch (O) to ON at the back of the

machine.

□ Push the welding mode switch button (K) until the STICK LED

turns on.

□ Set the welding current by rotating the left knob (E). If

needed, rotate the middle knob (D) to adjust your hot start

current.

STICK Welding Setting Chart

Electrode

Type

Electrode

Diameter

Amp

(120V)

Amp

(240V)

E6010

E6011

3/32 in.

70A

50-70A

1/8 in.

75-130A

5/32 in.

90-170A

E6013

1/16 in.

40A

3/32 in.

40-70A

1/8 in.

80-140A

5/32 in.

130-170A

E7018

3/32 in.

70A

70-110A

1/8 in.

110-150A

5/32 in.

140-170A

Operation Instruction – STICK/TIG Mode (Continued)

Setting Up for LIFT TIG Welding

□ Double check your input voltage:

For 120V: Switch voltage switch (Q) to 120V, use a 240V to

120V adapter while connecting to the 120V power source.

For 240V: Switch voltage switch (Q) to 240V, connect to

240V power source.

□ Connect the ground clamp cable to the positive (+) DINSE

socket (N) of the welder.

□ Ensure your workpiece is clean and dry and ensure the

ground clamp is well connected with the workpiece.

□ Follow instruction “Connecting the Gas Cylinder (TIG)” and

connect TIG torch gas line to gas cylinder.

□ Connect the TIG torch cable to the negative (-) DINSE

socket (M) of the welder.

□ Install the tungsten electrode into the TIG torch; fix it and

keep approximately 1/4 inch out of the torch nozzle.

□ Switch the ON/OFF switch (O) to ON at the back of the

machine.

□ Push the welding mode switch button (K) until LIFT TIG LED

turns on.

□ Set welding current by rotating the left knob (E).

□ Open the gas valve on the TIG torch.

□ The weld arc can be initiated by a lift arc technique.

□ When finished welding, close the gas valve on the TIG

torch.

□ When all welding is completed, close gas valve on the gas

cylinder.

LIFT TIG Welding Recommendation Table

Material

Tungsten (Ce)

Diameter

Amp

(120V)

Amp

(240V)

Steel,

Stainless

Steel

1/16 in.

(1.6 mm) 10-90A 10-180A

5/64 in.

(2.0 mm) 10-90A 10-180A

Cannot weld aluminum.

Recommended shielding gas: argon.

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Operation Instruction – MIG Mode

Preparing for Welding

□ Designate a work area that is clean and well lit. Keep children

and pets out of the work area.

□ Read the user manual and safety guidelines before operating

the welder.

□ Ensure you understand the basic specification of your welder.

□ Wear PPEs to protect your eyes and skins from hot welding

sparks and intensive arc rays. Ensure same protections are

provided to any bystanders nearby.

□ Ensure all the combustible, flammable, hazardous substances

are removed from the work area. Make sure a fire

extinguisher within reach is available.

□ Inspect your welder before each use and do not operate a

welder with damaged cables and components. Replace all the

damaged parts before use. Have a qualified technician help

you if needed.

□ For flux core wire, shielding gas is not required.

□ For solid core wire, shielding gas is required. Check the

“Connecting the Gas Cylinder (MIG)” instruction for more

details.

WARNING: Welding processes generate high-

temperature arc, welding sparks, hot slag and hot

spatters. Welding arc generates extremely intense

ultraviolet and infrared light. Failure to wear

protective equipment during welding can severely

damage your eyes and burn your skin.

WARNING: Failure to protect combustible

materials against welding sparks, hot slag and hot

spatters can cause fire and even explosion. Fire

and explosion can cause death, injury and property

damage.

Connecting the Gas Cylinder (MIG)

□ Always make sure your gas cylinder is fully closed (turned

counterclockwise) when not welding or moving the cylinder.

□ Before welding, make sure your gas cylinder is securely fixed

to a wall or a steady workbench. Hitting by falling gas

cylinder can cause severe injury. Dropping gas cylinder can

cause hazard.

□ Turn the regulator adjustment knob counterclockwise to

ensure the gas regulator’s valve is fully closed.

□ Connect one end of the gas regulator with the gas cylinder.

□ Attach the other end of the gas regulator with a gas hose.

□ Connect the other end of gas hose to the gas input (R) on the

back of the machine.

□ Make sure all connectors are tightened or sealed.

□ Open the gas cylinder valve and set the gas flow to

approximately 21-40 cu ft/h on the regulator.

□ Press the gun trigger to ensure that the gas is flowing through

the gun.

Operation Instruction – MIG Mode (continued)

3 Installing the Wire Spool

□ Make sure ON/OFF power switch (O) is OFF and unplug the

welder before proceeding.

□ Open the welder case by pushing the buckle located on middle

of the side panel.

□ Unscrew the wing nut (1), and remove key washers (2), spring

(3) and spool cap (4).

□ For 10 lb wire spool: Keep the spool adapter (6) on the wire

spool spindle in a manner as shown on the right top diagram.

□ For 2 lb wire spool: Remove the spool adapter (6) from the wire

spool spindle.

□ For 10 lb wire spool: Install the wire spool (5) on the wire spool

adapter and match the hole on the wire spool with the “stick

out” (7) of the spool adapter.

□ For 2 lb wire spool: Install the wire spool on the wire spool

spindle.

NOTE: After installation, ensure the wire spool rotating in a

counterclockwise direction when operating.

□ For 10 lb wire spool: Place the spool cap (4), spring (3), key

washers (2) and wing nut (1) back.

□ For 2 lb wire spool: Place the spring (3), key washers (2) and

wing nut (1) back.

□ To make sure wire spool can spin properly, avoid overtightening

or insufcient tightening of the spool cap. Overtightening may

cause inconsistent wire feeding while insufcient tightening will

cause uncontrolled wire feeding.

□ Next, please check the “Setting Up the Welding Wire” to feed

the welding wire through MIG gun.

Figure 1. 10 lb Wire Spool Assembly (Top) vs 2 lb

Wire Spool Assembly (Bottom)

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Operation Instruction – MIG Mode (continued)

Setting Up the Welding Wire

□ Release the drive roll pressure arm (11) by lifting up the pressure

arm adjustment knob (10).

□ Rotate the drive roll knob (13) counterclockwise to remove it (See

Figure 2

. and

Figure 3.

□ Check your drive roll (14) size. Ensure it matches with your

welding wire size.

NOTE: Drive roll (14) has two grooves and each groove has a

different size. Make sure you are using the right size.

□ Place the drive roll knob (13) back and rotate clockwise to tighten

it.

□ Before inserting your wire into the wire feeder, ensure your wire

end is straight. Cut the bent end with wire cutter if necessary.

□ Feed your wire into the wire inlet guide tube (12) of the wire

feeder and line the wire up with the groove of the drive roll. Push

the wire across the inner drive roll groove into the other side of

the wire feeder.

□ Pull the pressure arm adjustment knob (10) back and lock it by

pushing the drive roll pressure arm (11) down.

□ Remove the nozzle from the end of the MIG/ux core MIG gun.

NOTE: Metal nozzle is for MIG gun; non-metal nozzle is for ux

core MIG gun.

□ Remove the contact tip at the tip of the gun by unscrewing in

counterclockwise direction.

□ Plug the welder into power source.

For 120V: Switch voltage switch (Q) to 120V, use a 240V to 120V

adapter.

For 240V: Switch voltage switch (Q) to 240V, connect to 240V

power source.

□ Switch the ON/OFF switch (O) to ON. Push the welding mode

switch button (K) until MIG LED turns on. Ensure you are not

pointing the MIG/ux core MIG gun to yourself and any other

bystanders.

□ Press the trigger on the MIG/ux core MIG gun. Feed the wire

continuously until at least one inch of the wire extends out of the

gun.

□ Check if the drive roll is feeding the wire properly. If the drive roll

is slipping on the wire, increase pressure on the pressure arm

adjustment.

□ Check the contact tip and ensure it matches the welding wire.

Install the contact tip back to the MIG/ux core MIG gun.

□ Attach the nozzle back to the gun.

□ Cut off the over-extended wire that sticks out of the ux core gun

if needed.

Figure 3

(i) Locked Wire Feeder, (ii) Released Drive Roll

Pressure Arm, (iii) Removed Drive Roll Knob

iii

WFigure 2. ire Feeder

Operation Instruction – MIG Mode (continued)

Setting Up for MIG/Flux Core Welding

□ Double check your input voltage:

For 120V: Switch voltage switch (Q) to 120V, use a 240V to 120V

adapter while connecting to the 120V power source.

For 240V: Switch voltage switch (Q) to 240V, connect to 240V

power source.

□ Check your welding wire type:

For flux core wire: Connect the ground clamp cable to positive (+)

DINSE socket (N) and electrode polarity jumper (H) to negative (-)

DINSE socket (M).

For solid core wire: Connect the ground clamp cable to the

negative (-) DINSE socket (M) and electrode polarity jumper (H) to

positive (+) DINSE socket (N).

□ For flux core wire, no shielding gas is needed.

□ For solid core wire, follow instruction “Connecting the Gas

Cylinder (MIG)” and connect one side of gas hose to gas regulator

on the gas cylinder and the other side to the gas input (R) at the

back of welder.

□ Ensure your workpiece is clean and dry; make sure the ground

clamp has a good connection to the workpiece.

□ Connect MIG/flux core MIG gun to the gun cable socket (G) and

control socket (I).

□ Open the side panel. Load the wire spool and feed the wire into

the wire feeder. For detailed instructions please see “Installing the

Wire Spool” and “Setting up the Welding Wire.”

□ Make sure your MIG gun/ spool gun switch (U) is set to MIG gun.

□ Ensure you are not pointing the MIG/flux core MIG gun to yourself

and any other bystanders. Switch the ON/OFF power switch (O) to

ON at the back of the welder. Push the welding mode switch

button (K) until MIG LED turns on.

□ Follow instructions “Setting Up the Welding Wire,” and feed the

welding wire into the wire feeder and flux core gun. Press the

MIG/flux core MIG gun trigger to load welding wire through the

flux core gun.

□ Adjust left knob (E) to set your wire feed speed.

□ Adjust middle knob (D) to set your welding voltage.

□ Hold the MIG/flux core MIG gun to the workpiece and press the

gun trigger. The weld arc can be initiated by touching the weld

wire to the workpiece.

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Operation Instruction – MIG Mode (continued)

Setting Up for Additional Machine Accessories

Spool Gun

NOTE: Spool Gun is not included in the package.

□ Double check the MIG mode (K) is selected.

□ Double check the MIG gun/spool gun switch (U) is set to MIG gun.

□ For the shielding gas hose on the spool gun, pass through the hole

for gas hose (F) and connect to the shielding gas connector (T) on

the welder.

□ Connect the remaining two cables on spool gun to the gun cable

socket (G) and MIG gun/spool gun control socket (I).

□ For welding set up with spool gun, please follow instructions

“Setting Up for MIG/flux core Welding,” and exclude the portion of

“Installing the Wire Spool” and “Setting Up for Welding.”

Foot Pedal (adjust amperage)

□ Double check the TIG mode (K) is selected.

□ Connect the foot pedal to the MIG gun/spool gun control socket (I).

□ For welding set up, please follow instruction mentioned in

“Setting Up for LIFT TIG Welding.”

□ Use foot pedal to fine control amperage.

Maintenance

□ Before each use, inspect the general condition of the welder. Check for loose screws, cracked or broken parts, damaged circuit wiring

or cables, and any other potential risks that may cause safety issues. Replace damaged or worn parts, cords/cables or gun assembly.

□ After each use of the welder, clean external surfaces of the welder with clean cloth.

□ Periodically clean the welder using compressed air to blow out all dust and debris from the interior. If necessary, use compressed air to

clean the liner, especially when changing wire spools.

□ If the unit continuously shuts down due to thermal overload, please turn off the welder and have a qualified electrician inspect the

welder and repair it.

□ Store the welder and accessories in a clean and dry location out of reach of children.

□ Wire feed drive rolls are consumable accessories. The grooves of the drive roll will wear deeper after long-time usage. The wear out

will cause a contact between the idler roll and the drive roll. In this situation, the wire feed drive roll should be replaced.

□ Use a wire brush to scrub the outside of the contact tip. Use a tip cleaner (sold separately) to clean the inside.

□ Contact tips are also consumable accessories. After long-time usage, the worn round hole of the contact tip will turn to an elliptical

shape or form some bulges. Thus, replace the contact tip when it wears out.

□ Nozzle must be cleaned periodically because spatter and slag will build up inside the nozzle during welding process.

Troubleshooting

NOTE: When yellow tripped protection/alert indicator turns on, the possible causes are 1) tripped overheat protection; 2) short

circuit alert; 3) tripped overvoltage protection; 4) overcurrent alert; 5) MIG gun switch issue alert; 6) wrong input voltage alert.

Please refer to a qualified electrician to check your welder.

Problem

Possible Cause

Solution

Wire feed motor works

but no wire feeds.

□ Insufficient pressure given to

the wire feed drive roll.

□ Rotate the pressure arm adjustment knob clockwise to

increase the pressure on drive roll. See “Operation

Instruction – Setting Up the Welding Wire” (Page 14) for

more details.

□ Incorrect drive roll size.

□ Replace the drive roll with the correct size.

□ Damaged flux core gun or

damaged/blocked wire inlet

guide tube.

□ Replace the flux core gun.

□ Clean the wire inlet guide tube with compressed air or

replace the wire inlet guide tube.

Wire creates a bird’s nest

during operation.

□ Clogged or damaged contact tip.

□ Clean the contact tip or replace with a new one.

□ Too much pressure on the drive

roll.

□ Rotate the pressure arm adjustment knob

counterclockwise to decrease the pressure on drive roll.

See “Operation Instruction – Setting Up the Welding Wire”

(Page 14) for more details.

No arc while wire feeds.

□ Loose ground clamp connection.

□ Check and make sure the ground clamp is well attached to

the workpiece.

Arc works but no wire

feeds.

□ Insufficient pressure on the wire

feed drive roll.

□ Rotate the pressure arm adjustment knob clockwise to

increase the pressure on drive roll. See “Operation

Instruction – Setting Up the Welding Wire” (Page 14) for

more details.

□ No wire left on the wire spool.

□ Check whether the wire spool is used up. Replace with a

new one if used up.

Wire burns back to

contact tip.

□ Wire feed speed is too low.

□ Increase wire feed speed by rotating wire feed adjustment

knob clockwise.

□ Wrong size contact tip.

□ Replace with a correct size contact tip.

□ Clogged or damaged contact tip.

□ Clean the clogged tip with a tip cleaner.

□ Replace the damaged tip.

Weak arc strength/non-

penetrating weld.

□ Long or improper extension

cord.

□ Use a proper extension cord.

□ Input power is too low.

□ Verify your welder’s output voltage and current. Ask a

qualified electrician for help if necessary.

□ Poor ground clamp, torch or

electrode holder connection.

□ Check connection of ground cable, torch or electrode

holder and make sure they are well connected.

□ Wrong size or worn contact tip.

□ Replace with the correct size contact tip or replace with a

new contact tip.

□ Wrong welding wire size or type.

□ Recommended welding wires are 0.030/0.035 in. flux core

welding wire.

Difficult to start an arc.

□ Welding amperage is low.

□ Increase welding amperage.

□ Clogged contact tip.

□ Clean or replace contact tip.

19 HUSKYTOOLS.COM

Please contact 1-888-43-HUSKY for further assistance.

Troubleshooting (continued)

Problem

Possible Cause

Solution

No welder output when

switched on and neither

indicator LED is

illuminated

□ Loose ground clamp connection.

□ Check and make sure the ground clamp is well attached

to the workpiece.

□ No input power supply.

□ Check and make sure welder is plugged in.

□ Verify outlet output power.

□ Check the circuit breaker to see whether it is tripped or

not. Reset if necessary.

No welder output when

switched on and tripped

protection/alert indicator

is illuminated.

□ Tripped thermal protector by

overheating (tripped

protection/alert indicator turns

on).

□ Cool the welder for at least 10 minutes. The tripped

protection/alert indicator LED should turn off after welder

cools down.

□ Reduce the duration of the welding period, or duty cycle,

or duration of use.

□ Check whether the fan inside the welder is working

properly.

□ Overheat caused by

environmental factor (high room

temperature or insufficient air

flow).

□ Relocate to a cool working environment.

□ Check whether there is obstruction blocking air flow in

the room. Clear the obstruction if needed.

□ Incorrect input voltage to

welder.

□ Check the outlet voltage.

Frequent circuit breaker

trips.

□ Circuit breaker is insufficient for

the working current of the

welder.

□ Make sure the circuit breaker fits the working current of

the welder.

□ Refer to a qualified electrician if you are unable to resolve.

□ Too much amperage is drawing

due to the use of overlarge

welding wire.

□ Recommended welding wires are 0.030/0.035 in. flux core

welding wire.

Poor welds.

□ Improper current/voltage

setting.

□ Make sure the welding current/voltage matches the

recommended setting on chart.

□ Workpiece is not clean (such as

rusty, painted or greasy).

□ Ensure workpiece is clean and dry.

□ Poor ground clamp or

torch/electrode holder

connection.

□ Check and make sure ground clamp/workpiece have good

connection; torch/electrode holder and machine have

good connection.

□ Rusty or dirty welding wire.

□ Check your wire. Clean it or replace with a new wire

spool.

□ Insufficient shielding gas at

welding area.

□ Check whether gas cylinder is empty or not.

□ Check gas regulator setting and make sure the settings

are correct.

□ Check whether the shielding gas is being blown away. If

yes, move to a shielded area.

Arc is wandering (TIG).

□ Tungsten is too large.

□ Use a smaller tungsten.

□ Current is too low.

□ Increase welding current.

Service Parts

ASSEMBLY DIAGRAM

Part

Description

QTY

Part

Description

QTY

Top cover

Output board

Hinge

Quick connector

Handle

Front window

Left cover

Pedal control PCB

Lock

Bottom housing

Panel shield

Insulation paper

Given PCB

Main PCB

Spool

Heat sink holder

Wire feeder

Fan

Front panel

Fan base

Knob

Cable clip

Middle bracket

Rear window

Quick socket

Rear panel

Switch

Decorative cover

I I

Switch

Socket insulation base

Power cable

Aviation socket

Solenoid valve

Front cover

Orientation ring

Aviation socket shield

Air tting

Welding gun joint

U V W X Y Z AA BB

I I

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Husky PIONEERMP180DV User guide

Brand: Husky

Model: PIONEERMP180DV

Category: Welding System

Type: User guide

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