arcweld 180C MIG User manual

IM7905-4
Sep., 2017
Rev. 02
arcweld ®180C MIG
For use with machine Part Number：
arcweld 180C MIG K69020-6 Code 76261
THE SHANGHAI LINCOLN ELECTRIC COMPANY
No. 195, Lane 5008, Hu Tai Rd. Baoshan, Shanghai, PRC 201907
www.lincolnelectric.com.cn
Copyright © 2017 The Shanghai Lincoln Electric Company
Safety Depends on You
arcweld machine is designed and
built with safety in mind. However,
your overall safety can be increased
by proper installation and thoughtful
operation on your part. DO NOT
INSTALL, OPERATE OR
REPAIR THIS EQUIPMENT
WITHOUT READING THIS
MANUAL AND THE SAFETY
PRECAUTIONS CONTAINED
THROUGHOUT. And, most
importantly, think before you act and
be careful.

Thank you for selecting QUALITY arcweld®products.
Please examine the packaging and equipment for damage. Claims for material damaged in shipment must be
notified immediately to the authorized dealer from whom you purchased the machine.
For future reference, please record your equipment identification information in the table below. Model
Name, Code & Serial Number can be found on the machine rating plate.
Declaration of conformity
THE SHANGHAI LINCOLN ELECTRIC COMPANY
Designed in conformance with the following norm:
IEC 60974-1:2005
EN 60974-1:2005
GB15579.1:2004

A-1 CUSTOMER ASSISTANCE A-1
Read this Operators Manual completely before attempting to use this
equipment. Save this manual and keep it handy for quick reference. Pay
particular attention to the safety instructions we have provided for your
protection. The level of seriousness to be applied to each is explained
below:

A-2 CUSTOMER ASSISTANCE A-2
Master Table of Contents
Content
Page
Personal Safety ………………………………………………………………………….
I-III
Electromagnetic Compatibility ……………………………………………………….
IV-V
Customer Assistance Policy ……………….………………………………
A-1
Master Table of Contents ………………………………………………………………
A-2
Product Description ……………………………………………………………………..
B-1
Installation ………………………………………………………………………………..
C-1
Technical Specifications ……………………………………………………………….
D-1
Technical Specification Data …………………………………………………………….
D-2
Graphics and their Meanings …………………………………………………………….
D-4
Power Source Placement …………………………………………………………………
D-5
Power Supply Configuration ……………………………………………………………..
D-6
The Installation and Connection for MIG Welding ……………………………………..
D-6
The Installation and Connection for Stick Welding …………………………………….
D-7
Operation ………………………………………………………………………………….
E-1
Front Control Panel ………………………………………………………………………..
E-1
Welding Getting Started …………………………………………………………………..
E-2
Maintenance and Trouble Shooting ………………………………………………….
F-1
Spare Parts List ………………………………………………………………………….
G-1
Schematic Wiring Diagram ……………………………………………………………..
H-1

B-1 PRODUCT DESCRIPTION B-1
arcweld®180C MIG is a multi-purpose 3 in 1 welding power source. It is capable of MIG welding
(both gas-shielded and gasless flux-cored welding), stick and TIG welding of mild and stainless steel
materials. Its characteristics are high production efficiency, excellent welding output and easy to carry out
all-positionwelding. The machine is light and portable which is verypopular in DIYand semi-professional
market
The highlighted characteristics of arcweld®180C MIG Inverter MIG/MMA/TIG Welder:
Featured with compact size and light weight, it is widely used in maintenance and fieldwork.
Providedwith input voltage compensation covering ±10% variation and a control circuit reaction
speed is less than 1 mSec,
Optimum arc characteristics are maintained over a broad range of operating conditions.
High working efficiency. Automatic Wire Feeding can realize high speed welding.
Both solid and flux-cored wires can be used. The wire diameter range is between
Φ0.6~Φ1.2mm
Convenient connection mode. Outer connection makes it quick, safe, simple and reliable.
MMAW (stick welding) is also available which can also weld cellulosic electrodes.
TIG Lift-ARC welding, program control, easy arc start, anti-sticking torch
Note: We reserve the right to update the manual without notification

C-1 INSTALLATION C-1
SAFETY PRECAUTIONS
ELECTRIC SHOCK can kill.
Only qualified personnel should
perform this installation.
Turn the input power OFF at the
main switch or fuse box before
working on this equipment.
Do not touch electrically live parts or electrode
with skin or wet clothing.
Insulate yourself from work and ground.
Always wear dry insulating gloves.
FUMES AND GASES can be dan-
gerous.
Keep your head out of fumes.
Use ventilation or exhaust to
remove fumes from breathing zone.
WELDING SPARKS can cause fire or
explosion.
Keep flammable material away.
Do not weld on closed containers.
PLEASE SEE ADDITIONAL WARNING INFORMATION
AT THE FRONT OF THIS OPERATOR’S MANUAL.
SELECT A SUITABLE LOCATION
This power source should not be subjected to rain, nor
should any parts of it be submerged in water. Doing
so may cause improper operation as well as pose a safety
hazard. The best practice is to keep the machine in a dry,
sheltered area.
The bottom of machine must always be placed on a firm,
secure, level surface. There is a danger of the machine
toppling over if this precaution is not taken.
Place the welder where clean cooling air can freely circulate
in through the front louvers and out through the rear louvers.
Water, dirt, dust or any foreign material that can be drawn into
the welder should be kept to a minimum. Failure to observe
these precautions can result in excessive operating temperatures
and nuisance shutdowns..
Locate the arcweld®machine away from radio
controlled machinery. Normal operation of the welder may
adversely affect the operation of RF controlled equipment,
which may result in bodily injury or damage to the equipment.
WARNING
CAUTION
INPUT CONNECTIONS
ELECTRIC SHOCK can kill.
Have a qualified electrician install and
service this equipment.
Disconnect input power by removing
plug from receptacle before working
inside machines. Allow machine to sit
for 5 minutes minimum to allow the
power capacitors to discharge before
working inside this equipment.
Do not touch electrically live parts.
INPUT POWER CONNECTION
Check the input voltage, phase, and frequency
supplied to thismachine before turning it on. The
allowable input voltage is indicated in the
technical specification section of this manual
and on the rating plate of the machine. Be sure
that the machine is earthed (grounded).
INPUT VOLTAGE
The arcweld®180C MIG machine is to be
provided with a 220V±10% input voltage,
50/60Hz.
An output guide is provided in the technical
specification section of this manual.
ENGINE DRIVEN GENERATOR
The machine is designed to operate on engine
driven generators as long as the auxiliary can
supply adequate voltage, frequency and power
as indicated in the “Technical Specification”
Installation Section of this manual. The auxiliary
supply of the generator must also meet the
following conditions:
Frequency: in the range of 50 and 60 Hz
RMS voltage of the AC waveform: 180-260V
Peak voltage max. 367V
Generator Minimum 8kVA
It is important to check these conditionsbecause
many engine driven generators produce high
voltage spikes. Operation of this machine with
engine driven generators not conforming to
these conditions is not recommend and may
damage the machine and is also NOT covered
by warranty.

C-2 INSTALLATION C-2
Do not attempt to use this equipment until you have thoroughly read all operating
and maintenance manuals supplied with your machine. They include important
safety precautions, detailed operating and maintenance instructions and parts lists
ELECTRIC SHOCK can kill
Do not touch electrically live parts or electrode with skin or wet clothing
Insulate yourself from work and ground
Always wear dry insulating gloves.
Only qualified personnel should install, use or service this equipment.
Location and Ventilation
Whenever you use the arcweld®180C MIG Inverter MIG/Stick/TIG Welder be sure that
clean cooling air can flow around the front and rear louvres, (there should be 500mm
clearance for good ventilation). Avoid dusty, dirty areas, particularly if conductive
particles are present in the cooling air. Also keep the machine away from heat sources.
If operation is to be outdoors protect from rain and do not sit in puddles or otherwise
submerge it in water. Such practices pose safety hazards and cause improper
operation and corrosion of parts.
Always operate the arcweld®180C MIG Inverter Welder with all panel work installed to
enable correct cooling air flow and protect you from possible electric shock.
Storing
Store the machine in the permissible range of -25 ~ +55℃, in a dry place when it is not in
use. Protect it from dust and dirt. Keep it were it cannot be .accidentally damaged
from construction activities, moving vehicles and other hazards.
Stacking
The arcweld®180C MIG Inverter Welder CANNOT be stacked.
Tilting
Place the arcweld®180C MIG Inverter Welder on a secure, level surface whenever you
use it or store it. Any surfaces you place it on other than the ground must be firm, non-
skid and structurally sound.

D-1 TECHNICAL SPECIFICATION D-1
The arcweld®180i MIG Inverter Welder permissible environment:-
The surrounding temperature range:
When welding: -10 ~ +40℃
During transport or in storage: -25 ~ +55℃
Relative humidity:
At 40℃: ≤ 50%
At 20℃: ≤90%.
Avoid excessive dust, acid and corrosive materials in the air as these will damage your machine.
Excessive vibration is not permissible.
Altitude –No more than 1,000m.
500mm space about the welding machine, including from walls and other similar obstructions, is
required to enable correct flow of cooling air.
Keep protected from rain and direct sun when in use outdoors.
The wind speed for all environments should be less than 1m/s;
The Mains Input Voltage Requirement
The voltage wave form should be actual sine wave in shape with a maximum voltagevariation of ±10%
of the rated value; the frequency of the voltage wave form should not exceed a variation of ±10% of
the rated value.
The Welding Machine Configuration
The arcweld®180C MIG welding machines consist of:-
The upper part of the front panel is equipped with, awelding mode selector knob, a wire feed speed
knob, an output voltage control knob, an arc force control knob, a power indicator light (green),
abnormal indicator light (yellow). While the lower part is furnished with a Euro style torch quick
connector, “+” &“-” quick connectors and polarity selection. The back side is installedwith power switch,
gas valve connection, cooling fan and input cable. On the top there is a handle for the convenient of
easy transport.Internally there is the primary transformer, printed circuit board, output reactor, and the
heatsink with the power semiconductors.
The package consists of:
Order Number
Description
Unit
K69020-6
Power source
1unit
IM7905-4
Instruct Manual
1unit
K60022-15-3M
MIG Gun, LG150C
1unit
S28416-1
Gas Hose Clamp
2unit
K69100-16-3M
Ground cable
1unit
E4306
Gas Hose
3m
K69022-060809
Drive Roll 0.6/0.8/0.9(solid)
2unit
K69022-0810
Drive Roll 0.8/1.0(solid)
1unit
KP69022-1012R
Drive Roll 1.0/1.2(cored)
1unit

D-2 TECHNICAL SPECIFICATION D-2
TECHNICAL SPECIFICATIONS
INPUT –SINGLE PHASE ONLY
Machine
Standard
Voltage/Phase/
Frequency
Generator required
Maximum
Input
Current
Rated Input
Current
arcweld®180C MIG
220V(±10%)/ 1/50/60
Hz
>8 KVA
34A
15A
RATED OUTPUT –DC ONLY
Machine
Mode
Duty Cycle(1)
Amperes
Volts at Rated
Amperes
arcweld®180C MIG
GMAW
20%
60%
100%
180A
115A
90A
23V
19.8V
18.5V
SMAW
20%
60%
100%
180A
103A
80A
25.6V
24.1V
23.2V
GTAW
30%
60%
100%
180A
129A
103A
17.2V
15.2V
14V
The duty cycle above is about 40℃.
arcweld®180C MIG
GMAW
40%
60%
100%
180A
140A
110A
23V
21V
19.5V
SMAW
40%
60%
100%
180A
140A
110A
27.2V
25.6V
24.4V
GTAW
40%
60%
100%
180A
140A
110A
17.2V
15.6V
14.4V
The duty cycle above is about 25℃.
OUTPUT RANGE
Machine
Mode
Open Circuit
Voltage
Welding Current
Range
Welding Voltage
Range
arcweld®180C MIG
GMAW
42V
30A ~ 180A
15.5V ~ 23.0V
SMAW
76V
20A~180A
20.8V ~ 27.2V
GTAW
5V
20A ~ 180A
10.8V ~ 17.2V
OTHER PARAMETERS
Machine
Power Factor
Efficiency
Protection Class
Insulation Class
arcweld®180C MIG
0.72
≥84%
IP21S
F
PHYSICAL DIMENSIONS
Machine
Length
Width
Height
Weight
arcweld®180C MIG
480mm
220mm
305mm
15Kg(2)

D-3 TECHNICAL SPECIFICATION D-3
Temperature Range
Operating Temperature Range
-10°C ~ +40°C(14°F~104°F)
Storage Temperature Range
-25°C ~ +55°C(-13°F~131°F)
(1) Based upon 10 minute time period(i.e., for 30% duty cycle, it is 3 minutes on and 7 minutes off)
(2) Power Source only.
Note: The above parameters are subject to change with the improvement of machine

D-4 TECHNICAL SPECIFICATION D-4
LG150C MIG Torch (Gun) Illustration
The LG150C MIG torch is composed of the Euro connector, connecting cable and handle.
There is a gooseneck installed in the handle of the torch. The gas diffuser distributes shielding gas
in the nozzle to provide even shield for the welding arc. A switch on the handle controls the welding
output.
* Turn off the power before assemble/disassemble or replacement of the torch components.
* The cable, nozzle and tip need to be replaced as required.
Graphics and their meanings
Earth / Ground
Descending
MMAW (Stick) welder
GMAW (MIG) welder
GTAW (TIG) welder
1 Single phase AC power source
Single phase inverter---transformer---rectifier
DC current
＋: “＋” Output connector
－: “－” Output connector
X: Duty Cycle
I1: Rated Input Current
I2: Rated Welding Current
P1: Rated Input Power
U0: Rated Open Circuit Voltage
U1: Rated Input Voltage
U2: Rated Load V
~50/60 Hz: AC, Rated frequency 50 Hz, workable frequency 60 Hz.
V: Voltage (V)
A: Current (A)

D-5 TECHNICAL SPECIFICATION D-5
kVA: Power (kVA)
%: Percentage
A/V ~ A/V: Output range. Rated min and rated max welding current and related load
voltage.
Duty Cycle: The rated duty cycle of a Welding Power Source, is a statement of the time it
may be operated at its rated welding current output without exceeding the temperature
limits of the component parts.
IP21S: Case protection class. IP is the code of International Protection.
2 - Means preventing the user’s finger from accessing dangerous parts; preventing solid
material with the diameter no less than 12.5 mm entering into the cabinet.
1 –Means water dropping vertically remains harmless.
S –Means water protection test is conducted while the movable parts are at standstill.
H: H insulation grade.
Notice: The temperature rise test of the welding power source had been carried out in the room
temperature. The rated duty cycle of 40℃is obtained by simulation.
Power Source Placement
* Avoid excessive dust, acid and corrosive materials in the air.
* Keep protected from rain and direct sun when in use outdoors.
* There should be 500 mm space about for the welding machine to have good ventilation.
* Use adequate ventilation when in confined areas.
Connection between Power Source and Input Power Supply
Connect the input cable, (located in the rear panel of the welder), into the single phase 220V~240V
voltage power receptacle of appropriate current capacity and with an appropriately sized circuit
breaker.

D-6 TECHNICAL SPECIFICATION D-6
Power supply configure of a welder:
Item
arcweld®180C MIG
Circuit breaker（A）
50A
Power cord（mm2）
≥2.5
Notice: The melting current of the fuse is 1.2~1.5 times its rated current.
The installation and connection for MIG welding
* Select a suitable filler wire according to process being used (Lincoln Ultramag S6 for MIG and
Innershield NR211MP for gasless flux cored welding). The wire diameter must be matched to the
drive roll, the liner and contact tip.。
* Open the side panel of wire feeder and mount the wire spool on the spool post. The end of the wire
must be at the bottom of the wire spool, opposite wire feeder inlet guide tube.
* The spool post is fitted with a brake; the wing nut in the centre of the spool post adjusts the brake
tension. Pull the wire from thereel byhand and adjust the tension to provide some drag - clockwise
will increase the braking and anticlockwise reduces it.

D-7 TECHNICAL SPECIFICATION D-7
* Release the wire tensioning device on the drive rolls, insert the filler wire end into the inlet guide tube
of wire feeder, align wire with the drive roll groove and feed a short length into the torch connector
so that it protrudes out of the front panel, then replace the tensioner over the wire. (The filler wire
is feed through the torch cable once the input power is switched on.)
Connection between Power Source and Torch
* Insert the torch connector over the protruding wire and into the Euro connector on the front panel of
the welder and rotate the screw cap firmly.
Connection between Power Source and Work Piece
Insert the quick connector of work return cable into the current output (-) terminal on the lower
section of the front panel and then screw in clockwise. The earth clamp is connected with work piece.
The short welding power lead connected to the power source needs to be connected into (+) output
terminal.
* For correct arc performance when using flux-cored gasless wire the polarity needs to be reversed,
connect the (+) and (-) in the opposite way, that is the torch will be (-) and the work lead will be (+).
Do not use steel plate or similar materials which are high resistance to connect between welder and
work piece.
The installation and connection for stick welding.
a) Connection of electrode lead to the welder.
Connect the quick connector of electrode lead to the (+) output quick connect terminals on the front
panel, turn clockwise and ensure the connection is tight.
b) Connection of the work return lead to the welder.
Connect the quick connector of work return lead to the (-) output quick connect terminals on the front
panel, turn clockwise and ensure the connection is tight.
Do not use steel plate or similar materials which are high resistance to connect between welder and
work piece.

E-1 OPERATION E-1
Front Panel Controls
1. Welding mode selector knob
2 Wire speed knob
3. current/voltage adjustment knob
4. Arc force knob
5. Wire Inching Button
6. Warning indicator
7. Power indicator
Note:-
* The ‘protection indicator light’ will come on if the duty cycle is exceeded. It shows that the inner
temperature is over the permitted level, the machine should be stopped being used to allow it cool
down. Welding can continue after the ‘protection indicator light’ is off.
* The power source should be switched off when not in use.
* Welders should wear protective clothing and welding helmet to prevent injury from arc and thermal
radiation.
* Care should be taken so as not to expose others to the welding arc. Use of screening is
recommended.
* Do not weld near Inflammable or explosive materials.

E-2 OPERATION E-2
Welding Getting started
Work Piece cleaning Before Welding
The joint to be welded must be clean, remove existing rust, greasy dirt, water and paint etc.
MIG welding steps
a) Before welding
* Install the MIG torch, gas and welding wire, and then turn on the power switch. The power indicator
is on and fan works.
* Set the welding mode button on MIG
* Turn on the gas regulator on the gas cylinder, the gas pressure is shown on the gauge.
* Release the drive roll pressure, press the gun trigger, and then adjust the gas flow to meet the
specification requirement, (turn the gas regulator anticlockwise to reduce the flow rate). Then re-
engage the drive roll pressure.
* Press the gun trigger till the wire exits the nozzle. (The nozzle may need to be removed from the
gun to allow this function).
* When wire feeding, keep the gun cable straight.
* When wire feeding, make sure the wire is located on the drive roll groove and the feeding speed
should be smooth. If the wire feeding speed is not smooth, please adjust the tension of the drive
roll.
* When using MIG wire, the V groove wire roller should be used.
b) Welding
* Follow welding guide on inside cover to set wire feed speed and volts to suit material thickness
wire diameter.
* Inductance can be adjusted for hard or soft welding arc
* Point the wire into the joint to be welded, press the gun trigger, the wire feeds automatically. The
arc is started once the wire touches the work piece.

E-3 OPERATION E-3
Gasless (Innershield) Wire welding steps
a) Before welding
* Change the polarity on the front of the arcweld®180C, connect MIG torch lead to “-”and the work
cable lead to “+”.
* Set the welding mode button on MIG
* Install the gun, and welding wire, and then turn on the power switch. The power indicator is on and
fan works.
* Press the gun trigger till the wire extends to the nozzle. (The nozzle may need to be removed from
the gun to allow this function).
* When wire feeding, keep the cable straight.
* Whenwire feeding, make sure the wire is located on the drive roll groove and the feeding speed
should be smooth. If the wire feeding speed is not smooth, adjust the tension of the drive roll.
* When using flux cored wire, the knurled drive roll should be used.
b) Welding
* When welding, adjust the welding current and welding voltage to match the wire being used.
* Point the wire into the joint to be welded, press down the gun trigger, the wire feeds automatically.
The arc is started once the wire is touched the work piece.
Stick welding steps
a) Before welding
* Set the “welding mode button” on “stick”.
* Set the welding amperage with the Amp knob.
* Connect the Electrode lead to the (+) output terminal on the front of the machine
* Connect the work return lead to the (-) output terminal on the front of the machine
b) Welding
* Take up the electrode holder, install the electrode - point the electrode into the joint to be welded,
scratch the work piece to start the arc.
TIG Lift-ARC welding steps, (Optional TIG torch required).
a) Before welding
*Set thewelding modebuttonon Lift-ARC,welding torchshould connectto negative (-) outputterminal,
and work return lead to the positive (+) output terminal.
* Set the welding amperage with the Amp knob.
* Turn on the gas regulator on the gas cylinder, the gas pressure is shown on the gauge.
b) Welding
* Turn the gas valve located on the TIG torch to start the flow of shielding gas
* Touch the tungsten electrode to the work piece, then lift the tungsten and the welding arc will start.
* To stop welding lift the TIG torch away from the work piece.
* Turn the gas valve located on the TIG torch off to stop the flow of shielding gas.