MasterCraft MIG 180 User manual

058-9306-4

MIG 180 INVERTER WELDER

INSTRUCTION MANUAL

Quick Start Guide

If any parts are

missing or damaged,

or if you have any

questions, please call

1-800-689-9928.

Read and understand this instruction manual

thoroughly before using the product. It contains

important information for your safety, as well as

operating and maintenance advice.

Keep this instruction manual for future use. Should

this product be passed on to a third party, this

instruction manual must be included.

MIG 180 INVERTER WELDER 058-9306-4

QUICK START GUIDE

MIG 180 INVERTER WELDER 058-9306-4

MIG welding

STEP 1

Installing the wire

Remove the nozzle (1) and contact tip (2) from

the end of the torch assembly. Identify the

leading end of the wire secured on the edge of

the wire spool. Place the spool onto the hub

with the wire passing from the bottom of the

spool into the drive mechanism.

pages 26-27, steps 1-12

STEP 2

Setting the wire tension

Press the trigger on the gun. Turn the drive

tension adjustment knob (1) clockwise to

increase the drive tension until the wire feeds

smoothly without slipping.

page 29, steps 1-3

1

2

MC-589306-34

WARNING / AVERTISSEMENT

ELECTRIC SHOCK can kill

UN CHOC ÉLECTRIQUE peut tuer.

MOUING PARTS can cause injury.

LES PIÉCES MOBILES peuvent causer des blessures.

•

We

lding

w

ire

a

n

d drive part

s

m

a

y

be

at

w

elding v

ol

tage.

•

Keep away

from

m

ov

ing p

a

rts.

• Ne

v

ous

approchez pas

de

s pièce

s

mo

bile

s

.

•

M

ain

t

ene

z

tous les

c

ouv

e

r

cles,

pan

ne

au

s et

port

es

f

ermés et

s

ol

ide

m

e

n

t

e

n

pla

ce

.

• Keep

a

ll

doors,

c

ov

ers a

n

d

panels

closed and

s

e

c

urely

in pla

c

e.

• Le

f

il

de

so

u

dure

e

t

les

pièces

motrices son

t

peut-être a la

t

ens

ion

de

s

ou

d

a

ge.

•

Ne tou

ch

e

z

p

a

s

le

fil oules

pa

r

ties motric

es

à

m

ain

s

n

ues

ou

av

e

c

de

s

outils lorsque la

de

tente es

t

s

ous, pre

ssion.

• Do no

t

to

uch

w

ire

or

driv

e

p

arts

with b

a

re ha

nds

or

too

l

s

w

hen

trigge

r

is

de

p

re

s

e

d.

MIG

SPOOL GUN/PISTOLET À BOBINE

When normal MIG welding,

this switch should be turned in “MIG” position.

when using spool gun.

this switch should be in “Spool gun” position.

Ce commutateur doit être placé à la position « MIG »

si vous effectuez du soudage MIG normal

et à la position « SPOOL GUN »

si vous utilisez un pistolet à bobine.

DCEN

FLUX CORE WIRE

FIL AVEC ÂME EN FLUX

C

o

urant continu pol

arité normale

Polarity

s

witch s

et

ti

n

g

:

Régla

g

e du

c

ommuta

te

ur de

pol

a

r

it

é:

Direct

cur

rent

,

e

lectrod

e

n

agative

DCEP

MIG

Direct cur

ren

t, e

l

ectro

de

po

si

ti

v

e

C

ou

r

ant continu, e

l

ectrode positive

Po

l

a

ri

ty

switch

s

etti

n

g

:

Régl

age du co

m

mu

ta

teu

r de po

l

ar

i

té:

ST

ICK

BAGUETTE

Polar

ity

s

wit

c

h

s

e

t

tin

g

:

Réglage

du commu

t

a

t

e

u

r

de p

ola

rit

é

:

+

-

NO GAS/PAS DE GAZ

GAS/GAZ

AVERTISSEMENT

SHOCK can kill

C ÉLECTRIQUE peut tuer.

PARTS can cause injury.

MOBILES peuvent causer des blessures.

e and drive parts may be at welding voltage.

from moving parts.

chez pas des pièces mobiles.

les couvercles, panneaus et portes fermés et

solidement en place.

rs, covers and panels closed and securely in place.

udure et les pièces motrices sont peut-être a la

tension de soudage.

pas le fil oules parties motrices à mains nues ou

avec des outils lorsque la detente est sous, pression.

ch wire or drive parts with bare hands or tools when

trigger is depressed.

DCEN

FLUX CORE WIRE

FIL AVEC ÂME EN FLUX

Courant continu polarité normale

Polarity switch setting:

Réglage du commutateur de polarité:

Direct current, electrode nagative

DCEP

MIG

Direct current, electrode

Courant continu, electrode

Polarity switch setting:

Réglage du commutateur de polar

+

-

NO GAS/PAS DE GAZ

GAS/

1

MC-589306-39

STEP 3

Operation

Hold the torch in one hand and turn the wire

speed dial with the other hand to its maximum

position. Pull the trigger (1) on the torch to start an

arc. Drag the torch on the work piece while

simultaneously turning the wire speed dial

counterclockwise. page 31, steps 4-5

page 32 (refer to welding techniques, if

needed)

Stick welding

STEP 1

Plug in the electrode holder cable (1) into the

electrode cable connection and attach the

electrode (2) in the electrode holder (3)

page 19, steps 2-3

1

MC-589306-42

MC-589306-12

9

3

4

5

6

7

8

WI

RE

STICK

A

10

3

4

5

6

7

8

10

POWER

WA

RNING

W

ORK

V

A

ST

ICK

MIG

GA

S IN

ERTE

M

IG

V

GAS INERTE

ARC

F

IL

MAR

CH

E

058-9306-4

AVERTISSEMENT

INTENSITÉ

MIG 180 INVERTER WELDER

SOUDEUSE À ONDULEUR MIG 180

2

1

3

STEP 2

Turn the mode selector switch (1) to the stick

welding mode. page 20, step 6

STEP 3

Operation

Strike an arc by scratching the work piece (1)

with the electrode (2) and raising it by 1/8"

and maintain the gap throughout the weld.

page 35, steps 1-5

MC-589306-15

9

3

4

5

6

7

8

WIRE

STICK

A

10

3

4

5

6

7

8

10

POWER

WARNING

WORK

V

A

STICK

MIG

GAS INERTE

MIG

V

GAS INERTE

ARC

A

R

C

F

IL

MARCHE

058-9306-4

AVERTISSEMENT

INTENSITÉ

MIG 180 INVERTER WELDER

SOUDEUSE À ONDULEUR MIG 180

1

MC-589306-47

1/8"

2

1

TABLE OF CONTENTS

2

MIG 180 INVERTER WELDER 058-9306-4

QUICK START GUIDE

TECHNICAL SPECIFICATIONS 3

SAFETY GUIDELINES 4–8

KEY PARTS DIAGRAM 9–11

IMPORTANT INFORMATION 12–18

ASSEMBLY INSTRUCTIONS 19–29

OPERATING INSTRUCTIONS 30–41

MAINTENANCE 42

TROUBLESHOOTING 43–44

MAIN CIRCUIT CHART 45

EXPLODED VIEW 46

PARTS LIST 47–48

WARRANTY 49–50

TECHNICAL SPECIFICATIONS

3

MIG 180 INVERTER WELDER 058-9306-4

WELDER SPECIFICATION

SPOOL GUN (OPTIONAL) SPECIFICATION

POWER SUPPLY Single-phase, 230 V, 60 Hz

NO-LOAD VOLTAGE 78 V

OUTPUT CURRENT 30–200 A DC

DUTY CYCLE 30%

WIRE USED

0.023–0.035"

(0.6

–

0.9 mm)

MIG wire

0.030–0.035"

(0.8

–

0.9 mm)

flux-core wire

WIRE DIAMETER

0.023"

(0.6 mm)

, 0.030"

(0.8 mm)

,

0.035"

(0.9 mm)

ELECTRODE DIAMETER 1/16"

(1.6 mm)

, 5/64"

(2.0 mm)

, 5/32" (4.0 mm),

3/32"

(2.5 mm)

, 1/8"

(3.2 mm)

DIMENSIONS (L x W x H) 17 7/10 x 9 2/5 x 13 4/5"

(450 x 239 x 351 mm)

WEIGHT 48 lb 2 oz

(21.8 kg)

CONNECTOR 4-pin quick connect power connection

MOTOR VOLTAGE 24 V DC

WIRE SPEED 590"/min

RATING

200 A w/CO

2

gas

140 A A/Ar gas

SAFETY GUIDELINES

4

MIG 180 INVERTER WELDER 058-9306-4

This manual contains information that relates to PROTECTING PERSONAL SAFETY and PREVENTING

EQUIPMENT PROBLEMS. It is very important to read this manual carefully and understand it

thoroughly before using the product. The symbols listed below are used to indicate this information.

Note – The word “Note” is used to inform the

reader of something he/she needs to know about

the tool.

PERSONAL SAFETY

These precautions are intended for the personal safety of the user and others working with the user.

Please take time to read and understand them.

DANGER!

Potential hazard that will result in serious

injury or loss of life.

WARNING!

Potential hazard that could result in

serious injury or loss of life.

CAUTION!

Potential hazard that may result in

moderate injury or damage to equipment.

SAFETY GUIDELINES

5

MIG 180 INVERTER WELDER 058-9306-4

DANGER!

Potential hazard that will result in serious injury or loss of life.

• Keep children or other personnel away from the work area while welding. Do

not allow children or persons with mental or physical disabilities to handle

the welder.

• Do not use the welder in the presence of flammable liquids or gases. Sparks

that are created during use may ignite gases.

• Always ensure that a fire extinguisher is available in an adequate distance

within the welding environment.

• Have the welder repaired by a qualified technician in accordance with local,

provincial and national codes.

• Do not repair or maintain the welder while the power is on.

• Do not use an ungrounded power source, as it might cause electrical shock

to the user.

• The welding process must conform to ANSI Z49.1; NFPA 51; OSHA 29 CFR,

part 1910, sub part Q; CSA W117.2; American Welding Society standard A6.0.

• Do not expose the welder to rain.

• Always disconnect the power supply when working on internal components.

• Do not touch the PC board without being properly grounded with a wrist

strap. Place the PC board in a static proof bag while shipping.

• Make sure harmful arc rays are shielded from view of other personnel.

• Do not operate the welder in humid, wet or poorly ventilated areas.

• Risk of electric shock: Do not touch electrical live parts or metal

components connected to the welding wire, as doing so may cause fatal

shock and severe burns. Secure the ground lead before welding. Poor ground

connection creates hazardous situation. Wear a dry protective apparel like a

coat, shirt, gloves, and insulated footwear.

SAFETY GUIDELINES

6

MIG 180 INVERTER WELDER 058-9306-4

• Risk of explosion: Keep high pressure shielding gas cylinder away from

welding or electrical circuits. Never expose cylinders to high heat, sparks,

open flames, mechanical shocks or arcs. Do not touch the cylinder with MIG

gun and do not weld on the cylinder. Use proper regulators, gas hoses and

fittings for the specific application. Use protective cylinder cap whenever

possible.

• Risk for breathing: Never directly inhale the emission of harmful fumes

during welding. Make sure the work area is clean, dry and ventilated. Use a

ventilation device to remove welding fumes from the work environment.

• Do not weld on coated materials like galvanized, cadmium plated or

contacting zinc, mercury or barium, as they emit harmful fumes that are

dangerous to breathe. If required, use a respirator with air supply or remove

coating from the material in the weld area.

• Do not weld near materials that will emit toxic fumes when heated. Vapours

from cleaners, sprays and degreasers can be highly toxic when heated.

• Risk of burns: Do not touch the welded materials with bare hands, as the

welded materials are hot and can cause severe burns. Do not touch MIG gun

nozzle or tip of the electrode holder after welding until it has been cooled.

• Wear garments that are oil-free with no pockets or cuffs that will collect

sparks.

• Risk of fire: Do not weld on containers or pipes that contain flammable,

gaseous or liquid combustibles. Welding creates sparks and heat that ignite

flammable and explosive materials. Remove all flammable materials within

35 feet of the welding arc or tightly cover the flammable materials with

fireproof covers. Ensure that flying sparks do not cause fires or explosions in

hidden areas, cracks or areas that are out of vision. Use a fire extinguisher in

the work area. Do not have any items that are combustible, such as lighters

or matches

• Connect the work lead to the weld area as close as possible to prevent any

unknown, unintended paths of electrical current from causing electrical

shock and fire hazards. To prevent any unintended arcs after welding, cut off

the excess wire that extends past the end of the nozzle more than ¼".

SAFETY GUIDELINES

7

MIG 180 INVERTER WELDER 058-9306-4

• Risk of UV and IR arc rays: Do not look at the welding arc without proper eye

protection, as the welding arc produces ultraviolet (UV) and infrared (IR) rays.

Use shields that adheres to ANSI Z87.1. For welders under 160 A output, use a

shade 10 lens; for above 160 A, use a shade 12 lens. Wear flame retardant

clothes, leather shirts, pants or shoes to cover the bare skin from the arc.

• Use appropriate shield to prevent other personnel from being affected by

harmful rays.

• Risk of electromagnetic fields: Electromagnetic field can damage electrical

and electronic devices like pacemakers and hearing aids. Make sure people

using pacemakers are away from your welding area when welding. Always

wrap the MIG gun and ground cable together.

WARNING!

Potential hazard that could result in serious injury or loss of life.

•

Do not allow unskilled or untrained individuals to install and operate this

welder.

• Keep hands and fingers away from moving parts such as drive roll or fan

while the welder is in use.

• Before operating the welder, check the insulation of the ground cable, power

cord, and welding cable for damage. Replace or repair the damaged

components before using the welder. Use only recommended parts for

replacement.

• Avoid contacting or touching welding wire, work piece, ground connection or

electrode from another welder.

• Do not drape cables over or around the body.

• Do not point the MIG gun toward yourself or other personnel.

• Consult a doctor before using the electric arc welder.

• Always have a secure stance while welding to prevent accident.

• Do not use this welder when you are tired or under influence of alcohol or

drugs.

• Connect the ground lead close to the work area to ensure proper ground

connection.

• Always secure the high pressure cylinder upright to a cart or stationary

object.

• Do not use a welder to thaw frozen pipes.

• Do not look into the valve of the high pressure cylinder when opening it.

SAFETY GUIDELINES

8

MIG 180 INVERTER WELDER 058-9306-4

Note: Recycle unwanted materials rather than disposing of as waste. Sort the tools, hoses, and

packaging in specific categories. Take them to the local recycling centre or dispose of in an

environmentally safe way.

CAUTION!

Potential hazard that may result in moderate injury or damage to

equipment.

• Do not operate the welder if the welding cables, electrode, MIG gun, wire or

wire feed system is wet. Do not immerse them in water. The welder and its

components must be completely dry before attempting to use the welder.

• Keep the welder in the OFF position when not in use.

• Do not wear watches, rings, bracelets, or loose clothing when using the

welder.

• Maintain a correct position while using the welder. Mount the welder on a

secure bench or cart to prevent it from tipping over or falling.

• Wear a full covered helmet with appropriate shade that conforms to

ANSI Z87.1 safety standard, proper gloves, and protective clothing such as

leather shirt, coat, pants, and insulated footwear to prevent the skin from

being exposed to hot metals, UV and IR rays while welding.

• Do not overheat or overuse the welder to prevent it from being heated. Allow

proper cooling time between duty cycles. Always use this welder in the rated

duty cycle to prevent excessive heat and failure.

• Ensure that all the components are clean and in good working condition before

use.

• Do not use an extension cord, as it causes the voltage to drop and affects

the performance of the welder. If needed, use an extension cord having a

minimum size of 12 gauge and maximum length of 25 feet.

• Use safety goggles and ear protection:

Wear safety glasses with side shields when operating the

welder and verify that others in the work area are also

wearing safety glasses. Safety glasses must conform to

American National Standards Institute (ANSI Z87.1)

requirements and must provide protection from flying

particles from the front and the sides.

Always wear ear protection to help prevent hearing damage.

Failure to comply may result in loss of hearing.

MC-OM-01

KEY PARTS DIAGRAM

9

MIG 180 INVERTER WELDER 058-9306-4

No. Description No. Description

1

Voltage control (MIG mode) / Amperage

control (stick mode)

7 MIG gun trigger connection

2 Wire feed speed control 8 MIG gun cable

3 Power cord 9 Ground cable with clamp

4 Wire drive compartment door 10 MIG gun trigger cable

5 MIG gun connection 11 Ground cable connection

6 Electrode cable connection

MC-589306-01

GAS INER

9

3

4

5

6

7

8

WIRE

MIG

V

STICK

A

10

3

4

5

6

7

8

10

POWER

WARNING

WORK

V

A

STICK

MIG

2

5

4

3

6

7

8

9

10

11

FIL

AVERTISSEMENT

1

GAS INERTE

ARC

MARCHE

058-9306-4

INTENSITÉ

MIG 180 INVERTER WELDER

SOUDEUSE À ONDULEUR MIG 180

KEY PARTS DIAGRAM

10

MIG 180 INVERTER WELDER 058-9306-4

Welder upper front panel

No. Description No. Description

1 Power ON indicator 3 Output current indicator

2 Thermal overload indicator 4 Mode selector switch

WIRE

STICK

MIG

GAS INERTE

V

A

POWER

WARNING

WORK

V

A

STICK

MIG

1

2

3

4

5

6

7

8

9

10

1

2

3

4

5

6

7

8

9

10

1

2

3

4

MC-589306-02

FIL

ARC

AVERTISSEMENT

058-9306-4

INTENSITÉ

MARCHE

KEY PARTS DIAGRAM

11

MIG 180 INVERTER WELDER 058-9306-4

Welder back panel

No. Description No. Description

1 Primary power switch 3 Inert gas connection

2 Current overload circuit breaker

GAS INPUT

ENTRÊE DE GAZ

NORMAL

220V ~ 240V

1PH

OFF

ON

MARCHE

ARRÊT

POWER

PUISSANCE

OVER CURRENT

SURINTENSITEE

1

2

3

MC-589306-03

ELECTRICAL WARNING

AVERTISSEMENT RELATIE À L’ÉLECTRICITÉ

• Disconnect from power supply before servicing.

• Do not operate with any panels or covers removed.

• Débranchez le cordon de la source d’alimentation avant l’entretien.

• Ne faites pas fonctionner cet appareil avec les panneaux ou les couvercles retirés.

• L’entretien de cet appareil doit toujours être effectué par un technicien Qualifie.

• Service on this machine should only be performed by

a Qualified technician.

MIG

GAZ INERTE

STICK

ARC

0589306

OCV 78Vdc

160 A

22 V

140 A

25.6 V

230 V AC, 30 A max

IMPORTANT INFORMATION

12

MIG 180 INVERTER WELDER 058-9306-4

General use

The Mastercraft

Maximum

®

portable and gasless MIG 180 Inverter Welder uses AC single phase

230V, 60 Hz with a 30 A time delayed fuse or circuit breaker. The welder is capable of MIG welding,

flux-core welding and DC stick welding. The MIG mode has an infinite voltage control and can weld

24 gauge mild steel to 1/4". The welder can also MIG weld stainless steel and aluminium with an

optional spool gun. The stick mode can weld up to

180

A DC and can weld 3/16" on mild steel in a

single pass. The welder provides wire feed speed control, overload and thermal protection. The

welder can be used as a portable multi-purpose machine.

Guidelines for proper usage and description

Removing from carton

1. Remove the welder and other accessories from the packaging.

2. Check the contents with the packaging list. Refer to Packaging content list page 18.

After unpacking the welder unit, inspect for any damage that may have occurred during transit.

Check for loose, missing or damaged parts. A shipping damage claim must be filled with carrier.

Welder kit components

Current overload circuit breaker

This component is located on the back panel of the welder and it protects the unit from current overload.

Electrode cable connection

This connection is located on the lower front panel and connects the cable of the electrode holder

with the welding unit during the stick welding mode.

Ground cable connection

This connection is located in the lower front panel and connects the ground cable and the clamp to

the welding unit.

Inert gas connection

This connection is located on the back panel and connects the inert gas hose from the gas cylinder

to the welding unit providing the unit with shielding gas in the MIG welding mode.

MIG gun connection

This connection is located in the lower front panel and serves as a connection for both the wire feed

and shielding gas for the MIG gun or spool gun during the MIG welding mode.

IMPORTANT INFORMATION

13

MIG 180 INVERTER WELDER 058-9306-4

MIG gun trigger connection

This MIG gun trigger connection (1) is located

in the lower front panel and connects the 4-pin

quick connect plug of the MIG gun or the spool

gun (not included) with the welding unit.

Connections 1 and 2 are provided for the MIG

gun/spool gun and connections 3 and 4 are

provided for the wire feed motor.

Mode selector switch

This switch is located on the upper front panel of the welder and is used to select either MIG

welding mode or stick welding mode.

Power ON indicator

This indicator is located on the upper front panel of the welder and glows when the primary power

plug is connected to the power supply and the switch is turned ON.

Primary power switch

This switch is located on the back panel of the welder and enables to turn the welding unit ON or OFF.

Spool gun selector

The spool gun selector (1) is located inside the

wire compartment. This selector is switched to

spool gun mode when an optional spool gun

(not included) is being used, otherwise it stays

in the MIG mode. Refer to spool gun’s manual

for its connection instructions.

Thermal overload indicator

This indicator is located on the upper front panel of the welder and glows when the thermal overload

circuit is activated. The welding unit stops working during this period protecting the unit from any

damage. The cooling fan of the welding unit continues to work even if the welding unit is shut down

by the thermal overload circuit.

12

3

4

MC-589306-35

1

MIG 180 INVERTER WELDER

SOUDEUSE À ONDULEUR MIG 180

WARN

IN

G /

AV

ER

TI

S

SEM

E

N

T

E

L

ECTRIC

SHOCK

c

a

n

k

ill

U

N C

H

O

C

É

L

EC

TR

IQUE

p

e

ut t

u

er.

MOUING PAR

TS

c

a

n

ca

u

se i

n

j

u

ry.

LE

S

P

IÉC

E

S

MO

BILE

S

p

euvent c

a

us

e

r d

e

s

b

l

e

ss

ur

es.

•

W

e

l

di

ng wi

r

e an

d

dri

v

e part

s

m

ay

be

at

w

el

d

i

n

g

v

o

l

t

ag

e.

•

Keep

aw

a

y fro

m

o

v

i

ng p

ar

t

s

.

•

Ne

v

o

u

s

appr

oc

he

z

p

as

d

es

piè

ces

m

ob

i

l

e

s

.

•

M

ai

n

t

en

ez

t

o

us

l

es

co

uv

ercl

es,

p

an

neau

s

e

t p

orte

s

f

erm

és

et

s

o

l

i

dem

e

n

t

e

n

p

lac

e

.

•

Keep

al

l

do

o

rs,

c

overs

a

n

d p

an

el

s

cl

o

s

ed

a

n

d

s

ecu

r

el

y

i

n pl

ac

e

.

• Le

fi

l

d

e s

o

udu

r

e et

l

e

s

pi

èces

m

o

t

r

i

ces

s

o

n

t

peu

t

-ê

t

re

a l

a

tens

i

o

n de s

o

udag

e.

• N

e tou

ch

ez p

a

s

l

e fil

o

ules

parti

es

mo

t

r

i

c

e

s à m

a

in

s

n

ues

o

u

av

ec de

s

o

u

til

s

l

o

rs

que l

a det

en

t

e es

t s

o

u

s

,

p

r

es

s

i

o

n.

•

D

o

not

to

uch

wi

r

e

or drive parts

wi

t

h

b

ar

e h

a

n

d

s

or

to

o

l

s

w

hen

t

r

i

g

e

r

i

s

depr

e

ss

ed.

MIG

SPOOL GUN/PISTOLET À BOBINE

When normal MIG welding,

this switch should be turned in “MIG” positio

n.

when using spool gun

.

this switch should be in “

Spool gun” position.

Ce commutateur doit être placé à la position «

MIG »

si vous effectuez du soudage MIG normal

et à la p

osit

ion « SPOOL GUN »

si vous utilisez un pistolet à bobine

.

D

CEN

D

CE

N

FL

UX

COR

E

WIRE

FIL AVE

C ÂME

EN

FL

U

X

C

ou

r

a

nt

con

t

inu

po

la

ri

t

é no

r

ma

le

P

ol

a

rit

y

sw

it

c

h

se

t

tin

g

:

R

é

g

la

ge

du

c

o

mmut

a

t

e

u

r de polarit

é

:

D

i

r

e

ct

c

urrent

, e

lec

t

ro

d

e

nagat

i

ve

DC

E

P

DC

EP

M

IG

M

IG

D

i

rect cu

rren

t

,

el

ectro

de po

s

i

ti

ve

C

o

ur

an

t co

nt

in

u

, el

ectro

d

e

p

o

s

i

ti

v

e

P

o

l

ari

t

y

s

w

i

t

c

h

s

etti

n

g

:

Rég

l

a

g

e du

co

m

mu

tateu

r d

e

p

ola

ri

té

:

S

T

ICK

BAGUETTE

P

o

l

ari

t

y

sw

i

tch

se

ttin

g

:

R

é

glag

e

d

u c

om

mu

ta

t

e

u

r

d

e

p

o

larité

:

+

-

NO

GAS/P

A

S DE G

A

Z

G

A

S

/GA

Z

MIG

SPOOL GUN/PISTOLET À BOBINE

When normal MIG welding,

this switch should be turned in “MIG” position.

when using spool gun.

this switch should be in “Spool gun” position.

Ce commutateur doit être placé à la position « MIG »

si vous effectuez du soudage MIG normal

et à la position « SPOOL GUN »

si vous utilisez un pistolet à bobine.

1

IMPORTANT INFORMATION

14

MIG 180 INVERTER WELDER 058-9306-4

Voltage control (MIG mode)/Amperage control (stick mode)

This control is located on the upper front panel of the welder. It is used to adjust the welding voltage

when the MIG mode is engaged and to adjust the welding amperage when the stick mode is

engaged.

Output current indicator

This indicator is located on the upper front panel of the welder and glows when the welding unit is

providing enough power to weld.

Wire feed speed control

This control is located on the upper front panel of the welder and used to adjust the speed of the

wire being fed when in the MIG welding mode.

Polarity changing

For flux core welding (no shielding gas is

required) the MIG gun lead is connected to the

negative (“-”) terminal and the ground cable is

connected to the positive (“+”) terminal.

For MIG welding (solid wire) using shielding

gas, the MIG gun lead is connected to the

positive (“+”) terminal and the ground cable is

connected to the negative (“-”) terminal.

NO

GAS

MC-589306-06

IMPORTANT INFORMATION

15

MIG 180 INVERTER WELDER 058-9306-4

Wire drive compartment

The wire drive compartment has wire feed components such as drive tension adjustment knob (1),

drive tension arm (2), drive roll (3), MIG gun securement screw (4), set-up chart (5), polarity

terminals (6), and spool hub (7).

DCEN

FLUX CORE WIRE

FIL AVEC ÂME EN FLUX

Courant continu polarité normale

Polarity switch setting:

Réglage du commutateur de polarité:

WARNING / AVERTISSEMENT

ELECTRIC SHOCK can kill

UN CHOC ÉLECTRIQUE peut tuer.

MOUING PARTS can cause injury.

LES PIÉCES MOBILES peuvent causer des blessures.

• Welding wire and drive parts may be at welding voltage.

• Keep away from moving parts.

• Ne vous approchez pas des pièces mobiles.

• Maintenez tous les couvercles, panneaus et portes fermés et

solidement en place.

• Keep all doors, covers and panels closed and securely in place.

• Le fil de soudure et les pièces motrices sont peut-être a la

tension de soudage.

• Ne touchez pas le fil oules parties motrices à mains nues ou

avec des outils lorsque la detente est sous, pression.

• Do not touch wire or drive parts with bare hands or tools when

trigger is depressed.

MIG

SPOOL GUN/PISTOLET À BOBINE

When normal MIG welding,

this switch should be turned in “MIG” position.

when using spool gun.

this switch should be in “Spool gun” position.

Ce commutateur doit être placé à la position « MIG »

si vous effectuez du soudage MIG normal

et à la position « SPOOL GUN »

si vous utilisez un pistolet à bobine.

Direct current, electrode nagative

DCEP

MIG

Direct current, electrode positive

Courant continu, electrode positive

Polarity switch setting:

Réglage du commutateur de polarité:

STICK

BAGUETTE

Polarity switch setting:

Réglage du commutateur de polarité:

+

-

NO GAS/PAS DE GAZ

GAS/GAZ

1

2

4

7

3

6

5

IMPORTANT INFORMATION

16

MIG 180 INVERTER WELDER 058-9306-4

Gas selection

Different materials require different shielding gas when MIG welding. Refer to the set-up chart inside

the wire drive compartment.

Mild steel: Use 75% Argon and 25% for reduced spatter and reduced penetration for thinner

materials. Use CO

2

for deeper penetration and increased spatter.

Note: Do not use argon gas concentrations higher than 75% on steel. The result will be extremely

poor penetration, porosity, and brittleness of weld.

Stainless steel: Use a mixed gas consisting of Helium, Argon, and CO

2

.

Aluminum or bronze: Use 100% Argon.

Electrode

The welding electrode is a rod coated with a layer of flux. During the process of welding, electrical

current flows between the electrode (rod) and the grounded metal work piece. The intense heat of

the arc between the rod and the grounded metal melts the electrode and the flux. The most popular

electrodes are mentioned below:

Torch travel:

Refers to the movement of the welding torch along the weld joint.

Travel direction:

Refers to the direction of the torch moving along the weld joint in relation to the weld puddle.

Travel speed:

The rate at which the torch is being moved along the weld joint.

Type of

electrode

Tensile strength Application

E6011 60,000 PSI Deep penetration process

E6013 60,000 PSI Poor fitup application

E7014 70,000 PSI

High deposition and fast travel speed with light

penetration process

E7018AC 70,000 PSI Tack welding and out of position application

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MasterCraft MIG 180 User manual

MasterCraft MIG 180 User manual

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