Lincoln Electric LINC FEED 37 User manual

IM1094
09/2016
REV08
LINC FEED 37 &38
OPERATOR’S MANUAL
ENGLISH
Lincoln Electric Bester Sp. z.o.o.
ul. Jana III Sobieskiego 19A, 58-263 Bielawa, Poland
www.lincolnelectric.eu

Declaration of conformity
Lincoln Electric Bester Sp. z o.o.
Declares that the welding machine:
K10406
LINC FEED 37
K10407
LINC FEED 38
conforms to the following directives:
2014/35/EU, 2014/30/EU
and has been designed in compliance with the
following standards:
EN 60974-5:2013, EN 60974-10:2014
20.04.2016
Piotr Spytek
Operations Director
Lincoln Electric Bester Sp. z o.o., ul. Jana III Sobieskiego 19A, 58-263 Bielawa, Poland 12/05
English English
I

12/05
THANKS! For having choosen the QUALITY of the Lincoln Electric products.
•Please Examine Package and Equipment for Damage. Claims for material damaged in shipment must be notified
immediately to the dealer.
•For future reference record in the table below your equipment identification information. Model Name, Code &
Serial Number can be found on the machine rating plate.
Model Name:
………………...…………………………….…………………………………………………………………………………………..
Code & Serial number:
………………….………………………………………………..
…………………………………………………….……………..
Date & Where Purchased:
…………………………………………………………………...
……………………….…………………………………………..
ENGLISH INDEX
Safety..................................................................................................................................................................................1
Installation and Operator Instructions..................................................................................................................................2
Electromagnetic Compatibility (EMC)................................................................................................................................12
Technical Specifications....................................................................................................................................................12
WEEE ...............................................................................................................................................................................13
Spare Parts.......................................................................................................................................................................13
Electrical Schematic..........................................................................................................................................................13
Accessories.......................................................................................................................................................................13
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II

Safety 11/04
WARNING
This equipment must be used by qualified personnel. Be sure that all installation, operation, maintenance and repair
procedures are performed only by qualified person. Read and understand this manual before operating this equipment.
Failure to follow the instructions in this manual could cause serious personal injury, loss of life, or damage to this
equipment. Read and understand the following explanations of the warning symbols. Lincoln Electric is not responsible
for damages caused by improper installation, improper care or abnormal operation.
WARNING: This symbol indicates that instructions must be followed to avoid serious personal injury,
loss of life, or damage to this equipment. Protect yourself and others from possible serious injury or
death.
READ AND UNDERSTAND INSTRUCTIONS: Read and understand this manual before operating
this equipment. Arc welding can be hazardous. Failure to follow the instructions in this manual could
cause serious personal injury, loss of life, or damage to this equipment.
ELECTRIC SHOCK CAN KILL: Welding equipment generates high voltages. Do not touch the
electrode, work clamp, or connected work pieces when this equipment is on. Insulate yourself from
the electrode, work clamp, and connected work pieces.
ELECTRICALLY POWERED EQUIPMENT: Turn off input power using the disconnect switch at the
fuse box before working on this equipment. Ground this equipment in accordance with local electrical
regulations.
ELECTRICALLY POWERED EQUIPMENT: Regularly inspect the input, electrode, and work clamp
cables. If any insulation damage exists replace the cable immediately. Do not place the electrode
holder directly on the welding table or any other surface in contact with the work clamp to avoid the
risk of accidental arc ignition.
ELECTRIC AND MAGNETIC FIELDS MAY BE DANGEROUS: Electric current flowing through any
conductor creates electric and magnetic fields (EMF). EMF fields may interfere with some
pacemakers, and welders having a pacemaker shall consult their physician before operating this
equipment.
CE COMPLIANCE: This equipment complies with the European Community Directives.
FUMES AND GASES CAN BE DANGEROUS: Welding may produce fumes and gases hazardous to
health. Avoid breathing these fumes and gases. To avoid these dangers the operator must use
enough ventilation or exhaust to keep fumes and gases away from the breathing zone.
ARC RAYS CAN BURN: Use a shield with the proper filter and cover plates to protect your eyes from
sparks and the rays of the arc when welding or observing. Use suitable clothing made from durable
flame-resistant material to protect you skin and that of your helpers. Protect other nearby personnel
with suitable, non-flammable screening and warn them not to watch the arc nor expose themselves to
the arc.
WELDING SPARKS CAN CAUSE FIRE OR EXPLOSION: Remove fire hazards from the welding
area and have a fire extinguisher readily available. Welding sparks and hot materials from the welding
process can easily go through small cracks and openings to adjacent areas. Do not weld on any
tanks, drums, containers, or material until the proper steps have been taken to insure that no
flammable or toxic vapors will be present. Never operate this equipment when flammable gases,
vapors or liquid combustibles are present.
WELDED MATERIALS CAN BURN: Welding generates a large amount of heat. Hot surfaces and
materials in work area can cause serious burns. Use gloves and pliers when touching or moving
materials in the work area.
SAFETY MARK: This equipment is suitable for welding operations carried out in an environment with
increased hazard of electric shock.
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CYLINDER MAY EXPLODE IF DAMAGED: Use only compressed gas cylinders containing the
correct shielding gas for the process used and properly operating regulators designed for the gas and
pressure used. Always keep cylinders in an upright position securely chained to a fixed support. Do
not move or transport gas cylinders with the protection cap removed. Do not allow the electrode,
electrode holder, work clamp or any other electrically live part to touch a gas cylinder. Gas cylinders
must be located away from areas where they may be subjected to physical damage or the welding
process including sparks and heat sources.
Installation and Operator Instructions
Read this entire section before installation or operation
of the machine.
Location and Environment
This machine will operate in harsh environments.
However, it is important that simple preventative
measures are followed to assure long life and reliable
operation.
•Do not place or operate this machine on a surface
with an incline greater than 15° from horizontal.
•Do not use this machine for pipe thawing.
•This machine must be located where there is free
circulation of clean air without restrictions for air
movement to and from the air vents. Do not cover
the machine with paper, cloth or rags when
switched on.
•Dirt and dust that can be drawn into the machine
should be kept to a minimum.
•This machine has a protection rating of IP23. Keep
it dry when possible and do not place it on wet
ground or in puddles.
•Locate the machine away from radio controlled
machinery. Normal operation may adversely affect
the operation of nearby radio controlled machinery,
which may result in injury or equipment damage.
Read the section on electromagnetic compatibility
in this manual.
•Do not operate in areas with an ambient
temperature greater than 40°C.
Duty cycle
The duty cycle of a welding machine is the percentage
of time in a 10 minute cycle at which the welder can
operate the machine at rated welding current.
Example: 60% duty cycle:
Welding for 6 minutes.
Break for 4 minutes.
Refer to the Technical Specification section for more
information about the machine rated duty cycles.
Input Supply Connection
Check the input voltage, phase, and frequency of the
power source that will be connected to this wire feeder.
The allowable input voltage of the power source is
indicated on the rating plate of the wire feeder. Verify
the connection of grounding wires from the power
source to the input source.
Gas Connection
A gas cylinder must to be installed with a proper flow
regulator. Once a gas cylinder with a flow regulator has
been securely installed, connect the gas hose from the
regulator to the machine gas inlet connector. Refer to
point 8 of the images below. The wire feeder supports
all suitable shielding gases including carbon dioxide,
argon and helium at a maximum pressure of 5,0 bar.
The Linc Feed also includes an internal gas flow
regulator, showed at point 11 of the images below.
Output Connections
Refer to item 3 of the images below.
Controls and Operational Features
1. Water Connectors: Connections for water cooled
torches.
Warm water from torch.
Cool water to torch.
2. Remote Control Receptacle: If a remote
control is used, it will be connected to the
remote receptacle.
3. Euroconnector: Connect welding torches.
4. Digital Display Interface: Control of welding
parameters including Wire Feed Speed, Voltage,
and Memory Recall. See sections A-G for further
details.
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2

5. Amphenol Connection: 8-Pin connection to power
source.
6. Fast-Mate Adapter: Input power connection.
7. Water Connectors: If water cooled torches are
used, connect water lines from water cooler here.
Refer to torch and water cooler guidelines for
recommended cooling liquid and flow rates.
8. Gas Connector: Connection for gas line.
9. Wire Drive: 4-Roll wire drive compatible with
37mm drive rolls.
10. Cold Inch / Gas Purge Control: This switch allows
gas flow or wire feeding without turning on output
voltage.
11. Gas Flow Regulator: Regulate flow between 0-25
LPM (liter/min.).
12. Wire Spool Support: Maximum 15kg spools.
Accepts plastic, steel and fiber spools onto 51mm
spindle. Also accepts Readi-Reeltype spools onto
included spindle adapter.
WARNING
The Linc Feed wire feeders must be used with the door
completely closed during welding.
Maintenance
WARNING
For any maintenance or repair operations it is
recommended to contact the nearest Technical Service
Center or Lincoln Electric. Maintenance or repairs
performed by unauthorized service centers or
personnel will null and void the manufacturer's
warranty.
The frequency of the maintenance operations may vary
in accordance with the working environment where the
machine is placed.
Any noticeable damage should be reported
immediately.
Routine maintenance
•Check condition of insulation and connections of
the work cables and input power supply cable.
•Remove the spatters from the welding gun nozzle.
Spatters could interfere with the shielding gas flow
to the arc.
•Check the welding gun condition: replace it, if
necessary.
•Check condition and operation of the cooling fan.
Keep clean its airflow slots.
Periodic maintenance
Perform the routine maintenance and, in addition:
•Keep the machine clean. Using a dry (and low
pressure) airflow, remove the dust from the
external case and from the cabinet inside.
•Check condition of all connections and change if
necessary.
•Check and tighten all screws.
WARNING
Mains supply network must be disconnected from the
machine before each maintenance and service. After
each repair, perform proper tests to ensure safety.
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3

A. Non Synergic Welding Mode (CV Mode)
Description:
During Non Synergic (CV Mode) welding, the pre-setting of the welding parameters (Wire Feed Speed and Voltage) are
independent from one another.
Set-Up:
LF 37: This machine is always in Non-Synergic Welding Mode
LF 38: While pressing the Prog button, rotate the left knob until
“NON SYNERGIC” appears on the display.
Before Welding (Pre-Set):
Pre-Set Wire Feed Speed
(Meters/Minute)
Adjust with left knob.
Pre-Set Welding Voltage
(V)
Adjust with right knob.
During Welding (Actual):
These actual values are displayed for 5 seconds after the weld has stopped. Press ENTER (LF 38 Only) to recall these
values.
Actual Welding Current
(A)
Actual Welding Voltage
(V)
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B. Synergic Welding Mode (LF 38 only)
Description:
During Synergic welding, the wire feeder determines the optimal voltage characteristics based upon the selected wire
type and diameter. Only the wire feed speed needs to be regulated by the user. The user can then adjust the height of
the arc using the right knob. Once the arc height has been established, it will remain at the same level regardless of any
variation in the wire feed speed.
Set-Up:
While pressing the Prog
button, rotate the Left knob
and select from the
following:
While pressing the Prog
button, rotate the Right
knob and select the
appropriate wire
diameter:
Steel 80/20 0.8, 1.0, 1.2 mm
Stainless 98/2 0.8, 1.0, 1.2 mm
Metal Cored 98/2 1.2, 1.6 mm
Flux Cored 80/20 1.2, 1.6 mm
Flux Cored CO2 1.2, 1.6 mm
AlMg 100% Arg 1.2, 1.6 mm
AlSi 100% Arg 1.2, 1.6 mm
Innershield NR-211MP 1.7, 2.0 mm
Innershield NR-232 1.8, 2.0 mm
Innershield NR-400 2.0 mm
Innershield NS-3M 2.0 mm
•Before welding (Pre-Set):
Pre-Set Wire Feed Speed
(Meters/Minute)
Adjust with left knob.
Pre-Set Relative Arc Height
100% is the baseline. This
value is often referred to as
Trim. Adjust with the Right
knob to increase/decrease arc
height.
•During welding (Actual):
These actual values are displayed for 5 seconds after the weld has stopped. Press ENTER (LF 38 Only) to recall these
values.
Actual Welding Current
(A)
Actual Welding Voltage
(V)
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C. Selecting Welding Parameter
Description:
The following options can be regulated using the Select button and the procedure below: 2/4 Step Trigger, Burnback,
Run-In, Crater, Hot/Soft Start, Pre-Flow and Post-Flow.
Press SELECT button
KNOB 1:
Turn Right () or Left ()
KNOB 2:
Turn Right() or Left ()
Trigger Mode
2 strokes / 4 strokes
Default Value: 2 strokes
2 strokes: Keep trigger pushed during
welding. See crater sequence below.
4 s
trokes: You can release the trigger while
welding. See Hot/Soft start and crater
sequence below.
Burnback
0 to 1 second by step of 0,05s
Default Value: 0,1s
Keeps the arc ignited for a short time while
the wire stops. Prevents the wire from
sticking
in the weld puddle.
Run in
% of WFS (Wire Feed Speed)
Default Value: 60%
Speed of the wire before arc ignition.
Pre-flow
0 to 2,5 seconds by steps of 0,5 s
Default Value: 0 s
Post-flow
0 to 10 seconds by steps of 0,5 s
Default Value: 2 s
Crater Duration (sec)
0 to 5 sec
Allows to set lower or higher welding
parameters to improve the bead shape at the
end of the weld.
NO
YES
4 Strokes
4 Strokes
Crater WFS
Welding WFS (m/min)
Crater Voltage
Welding Voltage (Volts)
Hot/Soft Start WFS
Allows to set higher or lower welding
parameters to improve the bead shape at the
start of the weld.
In 4 strokes mode only
: The Hot/Soft Start
sequence starts when the arc is ignited and
will stop when the trigger is released. Then
the weld starts with
the main welding
parameters.
Hot/Soft
Start ?
NO
YES
Welding Voltage (Volts)
Hot/Soft Start Voltage
Welding WFS (m/min)
Improve the protection of the bead before arc
ignition.
Improve the protection of the bead after arc
extinction.
Crater ?
2 strokes: The crater sequence starts when
the trigger is released and stops when the
crater duration is over.
4 Strokes: The crater sequence starts on the
third action of the trigger and will last until the
trigger is released. When the trigger is
rele
ased, the arc stops.
Hot/Soft Start is available only in
4 strokes mode.
2
2 Strokes
Release the "SELECT" button to exit this menu on any step.
Innershield V350PRO
YES or NO
Improves Innershield welding performance
with V350PRO generator.
Innershield
YES or NO
Improves Innershield welding performance.
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D. Memory Function - Saving, Reading and Erasing (LF 38 Only)
Description:
The Memory function can be used to recall up to 10 specific sets of welding parameters defined by the user. Once the
welding parameters have been defined, the following steps can be taken to write these parameters to memory.
Press the MEM button
KNOB 1:
Turn Right() or Left ()
Button "ENTER"
Button "ENTER"
Select Memory # (status):
- Used
- Free
From 1 to 10
WRITE ?
Save the welding
parameters into the
selected memory #.
WRITE into memory:
The status of the memory
becomes "Used".
READ ?
You can read the welding
parameters allready saved
into the selected memory.
ERASE memory:
If you confirm ERASE by pushing
the "ENTER" button, then all the
welding parameters will be
deleted and the memory status
will become "Free".
ERASE ?
Delete the welding
parameters allready saved
into the selected memory
WRITE ?
Save the welding
parameters into the
selected memory #.
WRITE memory:
You will overwrite the new
welding parameters in the
choosen memory #.
READ memory
Status
"Free"
NO
Release "MEM" button to exit.
YES
NO
NO
YES
YES
YES
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E. Memory Function - Recalling Memory (LF 38 Only)
Description:
The saved Memory configurations can be recalled.
Set-Up:
While pressing the Prog button, rotate the left knob until “RECALL MEMORY”
appears on the display.
Selection:
Release the Prog button, then rotate the left knob to scroll through the saved
memory configurations. Only the memory locations that have been used will be
available. Once selected, begin welding.
Welding:
While welding in Memory Mode, the Non-Synergic Voltage or the Synergic
Trim values can be varied approximately 5% using the right knob. This allows for
fine adjustment of the welding characteristics.
To Exit:
To return to Non-Synergic or Synergic welding, press the Prog button and rotate
the left knob until the proper parameter appears. See sections A and B for further
details.
Memory Screen Example:
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8

F. Memory Function - Locking / Unlocking Memory (LF 38 Only)
Description:
The Memory values can be locked / unlocked with a 4-digit code.
Press Mem & Enter
Knob 2: Turn Right () or Left ()
Button Enter
Lock
Or
Unlock
NO

Confirm NO to Exit this menu
YES

Confirm YES to Enter the menu:
Lock
Or
Unlock

Select 1st Digit of your code

Confirm 1st Digit

Select 2nd Digit of your code

Confirm 2nd Digit

Select 3rd Digit of your code

Confirm 3rd Digit

Select 4th Digit of your code

Confirm 4th Digit

Exit to:
Locked Memory Mode
Or
Unlocked Memory Mode
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G. Configuration Menu
Description:
This hidden menu allows you to change the Machine Configuration.
To enter the set-up menu, press the Select pushbutton and at the same
time Switch ON the machine.
Knob 1:
Turn right or left
Knob 2:
Turn right or left
Choice of the configuration
Choice
Function
•LANGUAGE
English
Spanish
Dutch
Select the language you want to use.
Italian
French
Swedish
German
Norwegian
Polish
•ACCELERATION From 1 to 3
Standard value: 2
Value used to determine the
acceleration of the wire between the
"Cold inch WFS" and the "Welding
WFS".
•PRODUCT TYPE
Not used
Shows Product Type LF 37 or LF 38.
•SN
Not used
Shows Product Serial Number.
•MAINTENANCE YES / NO
Answer NO or contact Lincoln
representative.
•CALIBRATION
YES / NO
Answer NO.
•PROGRAM LEVEL Not used
Shows Program level of the Wire
Feeder.
•RESET YES / NO
If YES, you will:
•Erase all the memories and their
status will become "empty".
•Unlock the Recall memory mode if it
was locked.
•Restore all the parameters to their
“DEFAULT” values.
•EXIT YES / NO
If YES, Press Select to Exit and save the
changes above.
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Error messages:
Message
Description
Misadjustment(s)
Corrective Action
Unstable Welding
Voltage
The generator is unable to
deliver the pre-set value
(voltage) requested by the
wire feeder.
It can appears:
1. During welding:
•Check that welding pre-set
parameters (WFS and
Voltage) matches the
application (wire diameter,
thickness, gas…).
•Check the polarity switch
position of the generator
correspond to the polarity
of the wire feeder
connection.
•Check the remote control
switch of the generator set
on “Remote” position.
•Check if pre-set
parameters are not above
the specified limit of the
generator.
•Adjust parameters.
•Correct polarity switch
position and wire feeder
polarity connection.
•Select “remote” position.
•Reduce the parameters or
use an higher rating
generator.
Wire Feed Jam
Motor is at maximum
power and is not able to
maintain the pre-set WFS
value.
•Verify wire can move freely
in cable.
•Verify spool brake is not
set too high.
•Clean or replace the liner.
•Adjust spool brake.
Water Flow Too Low
The wire feeder has
detected:
•No water flow.
•Too low water flow
(less than 0.7
liter/min).
•Check if the water cooler is
on and filled up with
coolant.
•Check the water circuit
including water cooled
torch connection.
•Fill up and switch on water
cooler.
•Remove blockage in water
circuit.
Water Flow Detected
The wire feeder has
detected water flow while
the setting in select menu
is water cooler “no”.
•The setting of water cooler
is wrong in the select
menu.
Note: In this case, flow meter
protection is not used.
•Select the correct setting of
the water cooler in select
menu.
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11

Electromagnetic Compatibility (EMC) 11/04
This machine has been designed in accordance with all relevant directives and standards. However, it may still generate
electromagnetic disturbances that can affect other systems like telecommunications (telephone, radio, and television) or
other safety systems. These disturbances can cause safety problems in the affected systems. Read and understand this
section to eliminate or reduce the amount of electromagnetic disturbance generated by this machine.
This machine has been designed to operate in an industrial area. To operate in a domestic area it is
necessary to observe particular precautions to eliminate possible electromagnetic disturbances. The
operator must install and operate this equipment as described in this manual. If any electromagnetic
disturbances are detected the operator must put in place corrective actions to eliminate these disturbances
with, if necessary, assistance from Lincoln Electric.
Before installing the machine, the operator must check the work area for any devices that may malfunction because of
electromagnetic disturbances. Consider the following.
•Input and output cables, control cables, and telephone cables that are in or adjacent to the work area and the
machine.
•Radio and/or television transmitters and receivers. Computers or computer controlled equipment.
•Safety and control equipment for industrial processes. Equipment for calibration and measurement.
•Personal medical devices like pacemakers and hearing aids.
•Check the electromagnetic immunity for equipment operating in or near the work area. The operator must be sure
that all equipment in the area is compatible. This may require additional protection measures.
•The dimensions of the work area to consider will depend on the construction of the area and other activities that are
taking place.
Consider the following guidelines to reduce electromagnetic emissions from the machine.
•Connect the machine to the input supply according to this manual. If disturbances occur if may be necessary to take
additional precautions such as filtering the input supply.
•The output cables should be kept as short as possible and should be positioned together. If possible connect the
work piece to ground in order to reduce the electromagnetic emissions. The operator must check that connecting the
work piece to ground does not cause problems or unsafe operating conditions for personnel and equipment.
•Shielding of cables in the work area can reduce electromagnetic emissions. This may be necessary for special
applications. WARNING
The Class A equipment is not intended for use in residential locations where the electrical power is provided by the public
low-voltage supply system. There can be potential difficulties in ensuring electromagnetic compatibility in those locations,
due to conducted as well as radio-frequency disturbances.
Technical Specifications
LINC FEED 37 & LF 38:
INPUT VOLTAGE
WIRE FEED SPEED
42 Vac
1.5-20 m/min
RATED OUTPUT AT 40°C
Duty Cycle
(based on a 10 min. period)
100%
60%
Output Current
320 A
400 A
OUTPUT RANGE
Welding Current Range
5-500 A
Maximum Open Circuit Voltage
113 Vdc or Vac peak
WIRE SIZES (mm)
Solid wires
0.6 to 1.6
Cored wires
1.0 to 2.0
Aluminium wires
1.0 to 1.6
PHYSICAL DIMENSIONS
Height
356 mm
Width
188 mm
Length
534 mm
Weight
16 Kg
Operating Temperature
–10°C to +40°C
Storage Temperature
-25°C to +55°C
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WEEE 07/06
English
Do not dispose of electrical equipment together with normal waste!
In observance of European Directive 2012/19/EC on Waste Electrical and Electronic Equipment (WEEE)
and its implementation in accordance with national law, electrical equipment that has reached the end of its
life must be collected separately and returned to an environmentally compatible recycling facility. As the
owner of the equipment, you should get information on approved collection systems from our local
representative.
By applying this European Directive you will protect the environment and human health!
Spare Parts 12/05
Part List reading instructions
•Do not use this part list for a machine if its code number is not listed. Contact the Lincoln Electric Service
Department for any code number not listed.
•Use the illustration of assembly page and the table below to determine where the part is located for your particular
code machine.
•Use only the parts marked "X" in the column under the heading number called for in the assembly page (# indicate
a change in this printing).
First, read the Part List reading instructions above, then refer to the "Spare Part" manual supplied with the machine, that
contains a picture-descriptive part number cross-reference.
Electrical Schematic
Refer to the "Spare Part" manual supplied with the machine.
Accessories
K10347-PG-xxM
Source/wire feeder cable (gas). Available in 5, 10, 15m
(CV AIR power source, INVERTEC V350-PRO power source only).
K10347-PGW-xxM
Source/wire feeder cable (gas and water). Available in 5, 10 or 15m.
K10370-PG-xxM
Source/wire feeder cable (gas). Available in 5, 10, 15m
(INVERTER STT II power source only).
K10158
Plastic adaptor for 15-kg coils.
K10343
Innershield torch adaptor
K10353-1
Remote control box for LF30/31/37/38 with cable.
LF 37 & 38: Drive rolls and guide tubes 4 driven rolls
KP14017-0.8
KP14017-1.0
KP14017-1.2
KP14017-1.6
Solid wires:
0,6 ÷ 0,8mm
0,8 ÷ 1,0mm
1,0 ÷ 1,2mm
1,2 ÷ 1,6mm
KP14017-1.2A
KP14017-1.6A
Aluminum wires:
1.0 ÷ 1.2mm
1.2 ÷ 1.6mm
KP14017-1.1R
KP14017-1.6R
Cored wires:
0.9 ÷ 1.1mm
1.2 ÷ 1.6mm
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