Lincoln Electric LTP SERIES Manual de usuario

IM2074

06/2016

REV00

LTP SERIES HAND HELD TIG

(GTAW) TORCHES CE

OPERATOR’S MANUAL

ENGLISH

GRAPHICS MAY VARY

LINCOLN ELECTRIC EUROPE S.L

c/o Balmes, 89 - 8

, 08008 Barcelona, Spain

www.lincolnelectric.eu

English EnglishI

Easy Start

English EnglishII

Download

You can download this manual: from http://www.lincolnelectric.com/en-gb/support/Pages/operator-manuals-eu.aspx

English English

III

Declaration of conformity

Lincoln Electric Europe

Declares that the TIG torches:

LTP17/18/18SC/20/26

conform to the following directives:

Low Voltage Equipment (2006/95/EC)

Electromagnetic Compatibility (2004/108/EC)

and has been designed in compliance with the following standards:

EN 60974-7

May 2016

Pietro Terranova

Accessories Product Manager EMEA

Lincoln Electric Europe S.L, c/o Balmes, 89 – 8°2

, 08008 Barcelona, Spain

12/05

English English

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 & Production lot can be found on the box.

Model Name:

………………...……………………

……….…….…………………………………………………………..

Code & Serial number:

………………….…………………………………..

Date & Where Purchased:

………………….…………………………………..

ENGLISH INDEX

Safety ...............................................................................................................................1

Preparation and Operator Instructions..............................................................................2

Specifications ...................................................................................................................4

Installation ........................................................................................................................5

Maintenance .....................................................................................................................7

WEEE...............................................................................................................................8

Spare Parts.......................................................................................................................8

Warranty Information ........................................................................................................8

English English1

Safety

01/11

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.

English English2

ARTIFICIAL OPTICAL RADIATION: According with the requirements in

2006/25/EC Directive and

EN 12198 Standard, the equipment is a category 2. It makes mandatory the

adoption of Personal Protective Equipments (PPE) having filter with a

protection degree up to a maximum of 15, as required by EN169 Standard.

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 supplying power for welding

operations carried out in an environment with increased hazard of electric

shock.

Preparation and Operator Instructions

General

These high quality TIG welding torches were specifically developed for more delicate welding and

easier handling.They are available in gas-cooled and water-cooled versions. If properly used and

maintained, our welding torches are extremely durable. In order to ensure a long life cycle, please

read these instructions carefully.

This manual is only for the experienced user. Do not allow untrained persons to install, handle or

maintain our LTP TIG welding torches. Welding torches must be checked regularly in order to

guarantee optimum life expectancy.

The user is fully responsible for possible defects arising out of misuse, inadequate maintenance,

damage,poor repairs, or modifications by other parties than the original manufacturer or his

authorised dealers.

The welding torch is a component of a complete welding system. The torch will generate an electric

arc when connected with the appropriate welding machine. Ensure that you read the welding

machine’s instructions thoroughly before using our welding torches.

English English3

The manufacturer reserves the right, whenever necessary and without prior notice, to amend these

instructions as a result of clerical or printing errors, incorrect information, or the addition of

improvements.

Except for the tungsten electrode – which must be ordered separately – our welding torches are

delivered ready for immediate connection to our welding machines.

Before welding

•Check the torch is firmly connected to welding machine.

•Check the torch is fitted with the correct parts for task.

•Check the parameters in the welding machine.

•If water cooled: is the cooling unit properly working and is there sufficient coolant flow?

•Has gas been tested to prevent contamination and / or to check gas pressure ?

TIG operations

•Set the tig torch to the required start position.

•Ignite the arc with the on/off button (when torch is fitted with a gas valve (V-torch), open the

gas valve and assure the gas coverage is available. After this, start the ignition by contacting

work piece).

•After ignition keep the torch at the start point until establish a weld pool.

•Guide the torch constant during the whole seam length following the instructions.

•Press the stop button at the end of the welding job (when torch is fitted with a gas valve (V-

torch), lift the torch until the arc tears off. Then close the gas valve).

•Continue to hold torch at final position for a few seconds to allow molten pool to solidify without

atmospheric disturbances (shielded by gas flow).

WARNING

•Avoid contact with hot torch parts and work pieces.

•The operator must wear protective clothing and adequate ventilation must be available.

English English4

Specifications

Operating Temperature -10°C ~ 55°C (14°F ~ 131°F)

Storage Temperature -25°C ~ 55°C (-4°F ~ 158°F)

Relative air humidity Up to 90% at a temperature of 20°C

“

Ergo

”

“

Flex Ergo

”

types

“

”

type (Valve)

TECHNICAL DATA

(*)

17 Ergo/17V

Ergo

/18 Flex Ergo 18SC Ergo 20 Ergo

Ergo

/26Flex Ergo/26V

Power rating AC 100A 30A 80A 165A 130A

DC 140A 3 0A 400A 0A 180A

Duty Cycle 35% 100% 100% 100% 35%

Electrode Φ (mm) 1.0÷ .4 1.0÷4.0 1.0÷4.0 1.0÷3. 1.0÷4.0

Torch lenght 4-8 mt 4-8 mt 4-8 mt 4-8 mt 4-8-1

(**)

Voltage class L L L L L

Welding gas

Argon

DIN

3 5 6/1

Argon

DIN

3 5 6/1

Argon

DIN

3 5 6/1

Argon

DIN

3 5 6/1

Argon

DIN

3 5 6/1

Gas flow rate (lt/min) 7÷15 7÷ 0 7÷ 0 8÷ 7÷18

Cooling Gas Water Water Water Gas

Highest temperature

cooling medium

at entry hose package

- 60°C 60°C 60°C -

Minimum quantity

of cooling flow - 1.0 lt/min 1.0 lt/min 1.0 lt/min -

Lowest pressure of entry - .5 bar .5 bar .5 bar -

Highest pressure of entry - 5.0 bar 5.0 bar 5.0 bar -

Net weight (g) (4mt) 0 5/18 5 515/ 515 ---- 1715 545/ 545/ 445

Net weight (g) (8mt) 3555/3395 4515/4515 4565 915 4305/4305/4 05

Net weight (g) (1 mt) ----/---- ----/---- ---- ---- 6065/----/----

(*) LTP 17/18/20/26 are also available with French lever (cylindric handle, only 8mt and std neck).

Optional 3-button and potentiometer modules aren’t available for the French lever versions.

(**) LTP26 12m is available only with Ergo handle and Fixed neck

English English5

Installation

WARNING

Also follow operating instructions provided with the welding machine.

WARNING! The power source must be deactivated!

Gas-cooled connection

Connecting power cable and gas hose

Connect the power cable and the gas hose to the appropriate connectors on the welding machine

and ansure tight connections by properly affixing the couplings.

Exception

When torch is fitted with a gas valve (V-torch), connect separate gas hose to an external gas

cylinder. But before connecting it to the gas cylinder, open the gas bottle’s pressure regulator a few

times briefly to flush away any dirt. After that, make the connection and tighten with a wrench.

You can then set the desired pressure using the pressure regulator.

The pressure will depend on the item to be welded and the gas cup size.

Connecting switching cable

Connect the welding torch plug into the appropriate socket on the welding machine, and check for a

solid connection.

Water-cooled connection

Connecting power cable and gas hose

Connect the power cable and the gas hose to the appropriate connectors on the welding machine

and ansure tight connections by properly affixing the couplings.

Connecting (blue) water inlet hose and (red) water outlet hose

Connect the blue water inlet hose and red water outlet hose by inserting gas nipple into the

appropriate nipple receptors on the welding machine according to the colour markings. Ensure that

the connections are solid.

Connecting switching cable

Connect the welding torch plug into the appropriate socket on the welding machine, and check for a

solid connection.

Read the instructions of your welding machine prior

to use so as to be sure how to attach your welding

torch.

Read the instructions of your welding machine prior

to use so as to be sure how to attach your welding

torch.

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