Lincoln Electric MAGNUM 350 Bedienungsanleitung

OPERATORʼS MANUAL

MAGNUM PRO 350 and 550 FUME GUNS

IM990

October, 2008

TYPE: K2649-1, K2650-1

Safety Depends on You

Lincoln arc welding and cutting

equipment is designed and built with

safety in mind. However, your overall

safety can be increased by proper

installation ... and thoughtful opera-

tion 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.

• Sales and Service through Subsidiaries and Distributors Worldwide •

Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com

• World's Leader in Welding and Cutting Products •

™

FOR ENGINE

powered equipment.

1.a. Turn the engine off before troubleshooting and maintenance

work unless the maintenance work requires it to be running.

____________________________________________________

1.b.Operate engines in open, well-ventilated

areas or vent the engine exhaust fumes

outdoors.

____________________________________________________

1.c. Do not add the fuel near an open flame weld-

ing arc or when the engine is running. Stop

the engine and allow it to cool before refuel-

ing to prevent spilled fuel from vaporizing on

contact with hot engine parts and igniting. Do

not spill fuel when filling tank. If fuel is spilled,

wipe it up and do not start engine until fumes

have been eliminated.

____________________________________________________

1.d. Keep all equipment safety guards, covers and devices in posi-

tion and in good repair.Keep hands, hair, clothing and tools

away from V-belts, gears, fans and all other moving parts

when starting, operating or repairing equipment.

____________________________________________________

1.e. In some cases it may be necessary to remove safety

guards to perform required maintenance. Remove

guards only when necessary and replace them when the

maintenance requiring their removal is complete.

Always use the greatest care when working near moving

parts.

___________________________________________________

1.f. Do not put your hands near the engine fan.

Do not attempt to override the governor or

idler by pushing on the throttle control rods

while the engine is running.

___________________________________________________

1.g. To prevent accidentally starting gasoline engines while

turning the engine or welding generator during maintenance

work, disconnect the spark plug wires, distributor cap or

magneto wire as appropriate.

SAFETY

ARC WELDING CAN BE HAZARDOUS. PROTECT YOURSELF AND OTHERS FROM POSSIBLE SERIOUS INJURY OR DEATH.

KEEP CHILDREN AWAY. PACEMAKER WEARERS SHOULD CONSULT WITH THEIR DOCTOR BEFORE OPERATING.

Read and understand the following safety highlights. For additional safety information, it is strongly recommended that you

purchase a copy of “Safety in Welding & Cutting - ANSI Standard Z49.1” from the American Welding Society, P.O. Box 351040,

Miami, Florida 33135 or CSA Standard W117.2-1974. A Free copy of “Arc Welding Safety” booklet E205 is available from the

Lincoln Electric Company, 22801 St. Clair Avenue, Cleveland, Ohio 44117-1199.

BE SURE THAT ALL INSTALLATION, OPERATION, MAINTENANCE AND REPAIR PROCEDURES ARE

PERFORMED ONLY BY QUALIFIED INDIVIDUALS.

WARNING

Mar ʻ95

ELECTRIC AND

MAGNETIC FIELDS

may be dangerous

2.a. Electric current flowing through any conductor causes

localized Electric and Magnetic Fields (EMF). Welding

current creates EMF fields around welding cables and

welding machines

2.b. EMF fields may interfere with some pacemakers, and

welders having a pacemaker should consult their physician

before welding.

2.c. Exposure to EMF fields in welding may have other health

effects which are now not known.

2.d. All welders should use the following procedures in order to

minimize exposure to EMF fields from the welding circuit:

2.d.1.

Route the electrode and work cables together - Secure

them with tape when possible.

2.d.2. Never coil the electrode lead around your body.

2.d.3. Do not place your body between the electrode and

work cables. If the electrode cable is on your right

side, the work cable should also be on your right side.

2.d.4. Connect the work cable to the workpiece as close as

possible to the area being welded.

2.d.5. Do not work next to welding power source.

1.h. To avoid scalding, do not remove the

radiator pressure cap when the engine is

hot.

For Diesel Engines: Diesel engine exhaust and

some of its constituents are known to the State

of California to cause cancer, birth defects, and

other reproductive harm.

For Gasoline Engines: The engine exhaust from

this product contains chemicals known to the

State of California to cause cancer, birth defects,

or other reproductive harm.

CALIFORNIA PROPOSITION 65 WARNINGS

SAFETY

ARC RAYS can burn.

4.a. 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

open arc welding. Headshield and filter lens

should conform to ANSI Z87. I standards.

4.b. Use suitable clothing made from durable flame-resistant

material to protect your skin and that of your helpers from

the arc rays.

4.c. Protect other nearby personnel with suitable, non-flammable

screening and/or warn them not to watch the arc nor expose

themselves to the arc rays or to hot spatter or metal.

ELECTRIC SHOCK can kill.

3.a. The electrode and work (or ground) circuits

are electrically “hot” when the welder is on.

Do not touch these “hot” parts with your bare

skin or wet clothing. Wear dry, hole-free

gloves to insulate hands.

3.b. Insulate yourself from work and ground using dry insulation.

Make certain the insulation is large enough to cover your full

area of physical contact with work and ground.

In addition to the normal safety precautions, if welding

must be performed under electrically hazardous

conditions (in damp locations or while wearing wet

clothing; on metal structures such as floors, gratings or

scaffolds; when in cramped positions such as sitting,

kneeling or lying, if there is a high risk of unavoidable or

accidental contact with the workpiece or ground) use

the following equipment:

• Semiautomatic DC Constant Voltage (Wire) Welder.

• DC Manual (Stick) Welder.

• AC Welder with Reduced Voltage Control.

3.c. In semiautomatic or automatic wire welding, the electrode,

electrode reel, welding head, nozzle or semiautomatic

welding gun are also electrically “hot”.

3.d. Always be sure the work cable makes a good electrical

connection with the metal being welded. The connection

should be as close as possible to the area being welded.

3.e. Ground the work or metal to be welded to a good electrical

(earth) ground.

3.f.

Maintain the electrode holder, work clamp, welding cable and

welding machine in good, safe operating condition. Replace

damaged insulation.

3.g. Never dip the electrode in water for cooling.

3.h. Never simultaneously touch electrically “hot” parts of

electrode holders connected to two welders because voltage

between the two can be the total of the open circuit voltage

of both welders.

3.i. When working above floor level, use a safety belt to protect

yourself from a fall should you get a shock.

3.j. Also see Items 6.c. and 8.

FUMES AND GASES

can be dangerous.

5.a. Welding may produce fumes and gases

hazardous to health. Avoid breathing these

fumes and gases.When welding, keep

your head out of the fume. Use enough

ventilation and/or exhaust at the arc to keep

fumes and gases away from the breathing zone. When

welding with electrodes which require special

ventilation such as stainless or hard facing (see

instructions on container or MSDS) or on lead or

cadmium plated steel and other metals or coatings

which produce highly toxic fumes, keep exposure as

low as possible and below Threshold Limit Values (TLV)

using local exhaust or mechanical ventilation. In

confined spaces or in some circumstances, outdoors, a

respirator may be required. Additional precautions are

also required when welding on galvanized steel.

5. b. The operation of welding fume control equipment is affected

by various factors including proper use and positioning of the

equipment, maintenance of the equipment and the specific

welding procedure and application involved. Worker expo-

sure level should be checked upon installation and periodi-

cally thereafter to be certain it is within applicable OSHA PEL

and ACGIH TLV limits.

5.c.

Do not weld in locations near chlorinated hydrocarbon

vapors

coming from degreasing, cleaning or spraying operations.

The heat and rays of the arc can react with solvent vapors

form phosgene, a highly toxic gas, and other irritating prod-

ucts.

5.d. Shielding gases used for arc welding can displace air and

cause injury or death. Always use enough ventilation,

especially in confined areas, to insure breathing air is safe.

5.e. Read and understand the manufacturerʼs instructions for this

equipment and the consumables to be used, including the

material safety data sheet (MSDS) and follow your

employerʼs safety practices. MSDS forms are available from

your welding distributor or from the manufacturer.

5.f. Also see item 1.b.

AUG 06

FOR ELECTRICALLY

powered equipment.

8.a. Turn off input power using the disconnect

switch at the fuse box before working on

the equipment.

8.b. Install equipment in accordance with the U.S. National

Electrical Code, all local codes and the manufacturerʼs

recommendations.

8.c. Ground the equipment in accordance with the U.S. National

Electrical Code and the manufacturerʼs recommendations.

CYLINDER may explode

if damaged.

7.a. 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. All hoses, fittings, etc. should be suitable for

the application and maintained in good condition.

7.b. Always keep cylinders in an upright position securely

chained to an undercarriage or fixed support.

7.c. Cylinders should be located:

• Away from areas where they may be struck or subjected to

physical damage.

• A safe distance from arc welding or cutting operations and

any other source of heat, sparks, or flame.

7.d. Never allow the electrode, electrode holder or any other

electrically “hot” parts to touch a cylinder.

7.e. Keep your head and face away from the cylinder valve outlet

when opening the cylinder valve.

7.f. Valve protection caps should always be in place and hand

tight except when the cylinder is in use or connected for

use.

7.g. Read and follow the instructions on compressed gas

cylinders, associated equipment, and CGA publication P-l,

“Precautions for Safe Handling of Compressed Gases in

Cylinders,” available from the Compressed Gas Association

1235 Jefferson Davis Highway, Arlington, VA 22202.

iii

SAFETY

iii

Jan, 07

WELDING and CUTTING

SPARKS can

cause fire or explosion.

6.a.

Remove fire hazards from the welding area.

If this is not possible, cover them to prevent

the welding sparks from starting a fire.

Remember that welding sparks and hot

materials from welding can easily go through small cracks

and openings to adjacent areas. Avoid welding near

hydraulic lines. Have a fire extinguisher readily available.

6.b. Where compressed gases are to be used at the job site,

special precautions should be used to prevent hazardous

situations. Refer to “Safety in Welding and Cutting” (ANSI

Standard Z49.1) and the operating information for the

equipment being used.

6.c. When not welding, make certain no part of the electrode

circuit is touching the work or ground. Accidental contact can

cause overheating and create a fire hazard.

6.d. Do not heat, cut or weld tanks, drums or containers until the

proper steps have been taken to insure that such procedures

will not cause flammable or toxic vapors from substances

inside. They can cause an explosion even

though

they have

been “cleaned”. For information, purchase “Recommended

Safe Practices for the

Preparation

for Welding and Cutting of

Containers and Piping That Have Held Hazardous

Substances”, AWS F4.1 from the American Welding Society

(see address above).

6.e. Vent hollow castings or containers before heating, cutting or

welding. They may explode.

6.f.

Sparks and spatter are thrown from the welding arc. Wear oil

free protective garments such as leather gloves, heavy shirt,

cuffless trousers, high shoes and a cap over your hair. Wear

ear plugs when welding out of position or in confined places.

Always wear safety glasses with side shields when in a

welding area.

6.g. Connect the work cable to the work as close to the welding

area as practical. Work cables connected to the building

framework or other locations away from the welding area

increase the possibility of the welding current passing

through lifting chains, crane cables or other alternate circuits.

This can create fire hazards or overheat lifting chains or

cables until they fail.

6.h. Also see item 1.c.

6.I. Read and follow NFPA 51B “ Standard for Fire Prevention

During Welding, Cutting and Other Hot Work”, available from

NFPA,1 Batterymarch Park,PO box 9101, Quincy, Ma

022690-9101.

6.j. Do not use a welding power source for pipe thawing.

SAFETY

PRÉCAUTIONS DE SÛRETÉ

Pour votre propre protection lire et observer toutes les instructions

et les précautions de sûreté specifiques qui parraissent dans ce

manuel aussi bien que les précautions de sûreté générales suiv-

antes:

Sûreté Pour Soudage A LʼArc

1. Protegez-vous contre la secousse électrique:

a. Les circuits à lʼélectrode et à la piéce sont sous tension

quand la machine à souder est en marche. Eviter toujours

tout contact entre les parties sous tension et la peau nue

ou les vétements mouillés. Porter des gants secs et sans

trous pour isoler les mains.

b. Faire trés attention de bien sʼisoler de la masse quand on

soude dans des endroits humides, ou sur un plancher met-

allique ou des grilles metalliques, principalement dans

les positions assis ou couché pour lesquelles une grande

partie du corps peut être en contact avec la masse.

c. Maintenir le porte-électrode, la pince de masse, le câble de

soudage et la machine à souder en bon et sûr état defonc-

tionnement.

d.Ne jamais plonger le porte-électrode dans lʼeau pour le

refroidir.

e. Ne jamais toucher simultanément les parties sous tension

des porte-électrodes connectés à deux machines à souder

parce que la tension entre les deux pinces peut être le total

de la tension à vide des deux machines.

f. Si on utilise la machine à souder comme une source de

courant pour soudage semi-automatique, ces precautions

pour le porte-électrode sʼapplicuent aussi au pistolet de

soudage.

2. Dans le cas de travail au dessus du niveau du sol, se protéger

contre les chutes dans le cas ou on recoit un choc. Ne jamais

enrouler le câble-électrode autour de nʼimporte quelle partie du

corps.

3. Un coup dʼarc peut être plus sévère quʼun coup de soliel, donc:

a. Utiliser un bon masque avec un verre filtrant approprié ainsi

quʼun verre blanc afin de se protéger les yeux du rayon-

nement de lʼarc et des projections quand on soude ou

quand on regarde lʼarc.

b. Porter des vêtements convenables afin de protéger la peau

de soudeur et des aides contre le rayonnement de lʻarc.

c. Protéger lʼautre personnel travaillant à proximité au

soudage à lʼaide dʼécrans appropriés et non-inflammables.

4. Des gouttes de laitier en fusion sont émises de lʼarc de

soudage. Se protéger avec des vêtements de protection libres

de lʼhuile, tels que les gants en cuir, chemise épaisse, pan-

talons sans revers, et chaussures montantes.

5. Toujours porter des lunettes de sécurité dans la zone de

soudage. Utiliser des lunettes avec écrans lateraux dans les

zones où lʼon pique le laitier.

6. Eloigner les matériaux inflammables ou les recouvrir afin de

prévenir tout risque dʼincendie dû aux étincelles.

7. Quandonnesoud

e pas, poser la pince à une endroit isolé de

la masse. Un court-circuit accidental peut provoquer un

échauffement et un risque dʼincendie.

8. Sʼassurer que la masse est connectée le plus prés possible de

la zone de travail quʼil est pratique de le faire. Si on place la

masse sur la charpente de la construction ou dʼautres endroits

éloignés de la zone de travail, on augmente le risque de voir

passer le courant de soudage par les chaines de levage,

câbles de grue, ou autres circuits. Cela peut provoquer des

risques dʼincendie ou dʼechauffement des chaines et des

câbles jusquʼà ce quʼils se rompent.

9. Assurer une ventilation suffisante dans la zone de soudage.

Ceci est particuliérement important pour le soudage de tôles

galvanisées plombées, ou cadmiées ou tout autre métal qui

produit des fumeés toxiques.

10. Ne pas souder en présence de vapeurs de chlore provenant

dʼopérations de dégraissage, nettoyage ou pistolage. La

chaleur ou les rayons de lʼarc peuvent réagir avec les vapeurs

du solvant pour produire du phosgéne (gas fortement toxique)

ou autres produits irritants.

11. Pour obtenir de plus amples renseignements sur la sûreté, voir

le code “Code for safety in welding and cutting” CSA Standard

W 117.2-1974.

PRÉCAUTIONS DE SÛRETÉ POUR

LES MACHINES À SOUDER À

TRANSFORMATEUR ET À

REDRESSEUR

1. Relier à la terre le chassis du poste conformement au code de

lʼélectricité et aux recommendations du fabricant. Le dispositif

de montage ou la piece à souder doit être branché à une

bonne mise à la terre.

2. Autant que possible, Iʼinstallation et lʼentretien du poste seront

effectués par un électricien qualifié.

3. Avant de faires des travaux à lʼinterieur de poste, la debranch-

er à lʼinterrupteur à la boite de fusibles.

4. Garder tous les couvercles et dispositifs de sûreté à leur place.

Mar. ʻ93

Thank You

for selecting a QUALITY product by Lincoln Electric. We want you

to take pride in operating this Lincoln Electric Company product •••

as much pride as we have in bringing this product to you!

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:

WARNING

This statement appears where the information must be followed exactly to avoid serious personal injury or loss of life.

This statement appears where the information must be followed to avoid minor personal injury or damage to this equipment.

CAUTION

On-Line Product Registration

- Register your machine with Lincoln Electric either via fax or over the Internet.

• For faxing: Complete the form on the back of the warranty statement included in the literature packet

accompanying this machine and fax the form per the instructions printed on it.

• For On-Line Registration: Go to our

WEB SITE at www.lincolnelectric.com. Choose “Quick Links” and then

“Product Registration”. Please complete the form and submit your registration.

CUSTOMER ASSISTANCE POLICY

The business of The Lincoln Electric Company is manufacturing and selling high quality welding equipment, consumables, and cutting equip-

ment. Our challenge is to meet the needs of our customers and to exceed their expectations. On occasion, purchasers may ask Lincoln Electric

for advice or information about their use of our products. We respond to our customers based on the best information in our possession at that

time. Lincoln Electric is not in a position to warrant or guarantee such advice, and assumes no liability, with respect to such information or

advice. We expressly disclaim any warranty of any kind, including any warranty of fitness for any customerʼs particular purpose, with respect

to such information or advice. As a matter of practical consideration, we also cannot assume any responsibility for updating or correcting any

such information or advice once it has been given, nor does the provision of information or advice create, expand or alter any warranty with

respect to the sale of our products.

Lincoln Electric is a responsive manufacturer, but the selection and use of specific products sold by Lincoln Electric is solely within the control

of, and remains the sole responsibility of the customer. Many variables beyond the control of Lincoln Electric affect the results obtained in

applying these types of fabrication methods and service requirements.

Subject to Change – This information is accurate to the best of our knowledge at the time of printing. Please refer to www.lincolnelectric.com

for any updated information.

Please Examine Carton and Equipment For Damage Immediately

When this equipment is shipped, title passes to the purchaser upon receipt by the carrier. Consequently, Claims

for material damaged in shipment must be made by the purchaser against the transportation company at the

time the shipment is received.

Please record your equipment identification information below for future reference. This information can be found

on your equipment nameplate.

Model Name and Sales Spec Number (K-xxx) _____________________________________

Date of Purchase __________________________________

Whenever you request replacement parts for or information on this equipment always supply the information you

have recorded above.

TABLE OF CONTENTS

Page.

Installation ..........................................................................................................Section A

Technical Specifications ...............................................................................................A-1

Unpacking the Spool Gun............................................................................................A-2

Fume Gun Familiarization .....................................................................................A-2

Assembly of Fume Gun Internal Parts...........................................................A-2, A-3

Safety Precautions.......................................................................................................A-3

Compatibility of Welding Machines and Wire Feeders ................................................A-3

Preparing the Fume Gun for Welding..........................................................................A-3

Select and Install a Wire Feeder Connection K Kit .....................................................A-4

Select and Install Gun Consumable Parts...................................................................A-5

Connect the Gun to the Wire Feeder...........................................................................A-6

Connect the Gun to the Fume Collection System .......................................................A-6

__________________________________________________________________________

OPERATION...........................................................................................................Section B-1

Safety Precautions.......................................................................................................B-1

Product Description......................................................................................................B-1

Selecting or Changing the Trigger Position .................................................................B-2

Prepare the Fume Gun for Welding............................................................................ B-3

Load Specified Wire into the Gun............................................................................... B-3

Make the Weld .............................................................................................................B-3

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Accessories......................................................................................................Section C-1

__________________________________________________________________________

Maintenance.........................................................................................................Section D

Recommended Tools ...................................................................................................D-1

Routine Cleaning and Inspections...............................................................................D-1

Gas Diffuser Replacement...........................................................................................D-1

Liner Assembly Cleaning or Replacement...................................................................D-1

Trigger and Accessory Switch Lead Routings .............................................................D-2

Gun Tube Replacement...............................................................................................D-3

Trigger Assembly Replacement ...................................................................................D-3

Gun Cable Assembly Replacement .....................................................................D-3, D-4

__________________________________________________________________________

Troubleshooting ..................................................................................................Section E

How To Use Trouble Shooting Guide...........................................................................E-1

Troubleshooting.................................................................................................E-2 to E-5

__________________________________________________________________________

Parts List.................................................................................P-202-AB, P-202-AC Series

__________________________________________________________________________

vivi

A-1

INSTALLATION

MAGNUM™ PRO 350 and 550 FUME GUNS

A-1

TECHNICAL SPECIFICATIONS - MAGNUM PRO FUME GUNS

K2649-1 Magnum Pro 350 amp Fume Gun

K2650-1 Magnum Pro 550 amp Fume Gun

GMAW (MIG), FCAW (also FCAW-SS), and FCAW-GS on ferrous base metals.

Lincoln Super Arc, Super Glide, Innershield, and Outershield brand products.

Both Models: 1/16 inch solid wire, GMAW

K2649-1: 1/16 inch cored wire, FCAW and FCAW-GS

K2650-1: 3/32 inch cored wire, FCAW and FCAW-GS

K2649-1: 350 amps at 100%, all processes

K2650-1: 550 amps at 100%, FCAW and FCAW-GS

K2650-1: 450 amps at 100%, GMAW

K2649-1: 17.5 lbs.

K2650-1: 20.0 lbs.

15.0±0.2 feet

Semiautomatic (manually-guided)

Air-cooled

MODELS

WELDING PROCESSES

FILLER WIRE ALLOYS

OVERALL WEIGHT

CABLE LENGTH

METHOD OF GUIDANCE

METHOD OF COOLING

MAXIMUM WIRE SIZES (DIAMETERS) BY WELDING PROCESSES

RATED WELDING CURRENT AND DUTY CYCLE (10-MINUTE BASIS)

A-2

INSTALLATION

MAGNUM™ PRO 350 and 550 FUME GUNS

A-2

ASSEMBLY OF FUME GUN INTERNAL

PARTS (550 amp model shown)

GUN HANDLE END (Figure A.3, Items 1 thru 7)

1. Two spiders support the handle and allow it to swiv-

el around the gun tube assembly for Trigger-Down

(shown) or Trigger-Up Positions.

2. Gun tube lock (with roll pin) prevents handle over-

rotation to avoid trigger lead damage.

3. Accessory switch leads (blue and black) may serve

as spare trigger leads.

4. Trigger and accessory leads are routed to permit air

flow and avoid lead damage.

5. One-piece copper electrical connector (cone) and

gas hose barb fitting.

6. Copper cable nut for high electrical conductivity.

7. Two clamps (non-reusable) secure the cableʼs core

tube to its hose barb fittings.

UNPACKING THE FUME GUN

Fume guns are factory-assembled and tested. Both

gun models are shipped with a FCAW fume collection

nozzle installed. Contact tips for 0.045 and 3/32”

Diameter Wire are also installed on the 350 and 550

models, respectively. After opening the packaging,

check that it contains 1 fully assembled fume gun, 1

GMAW fume collection nozzle, and 1 instruction man-

ual (IM990).

FUME GUN FAMILIARIZATION (550 amp

model shown)

GUN HANDLE (Figure A.1, Items 1 thru 10)

1. 1/8-Turn Fume Collection Nozzle (FCAW self-

shielded version shown).

2. Heavy-Duty Slip-On Gas Nozzle Assembly.

3. Heavy-Duty Gas Diffuser Assembly with Magnum

Pro Contact Tip.

4. Fume Tube Assembly with Integral Gun Hanger and

Locking Collar.

5. Gun Hanger.

6. Handle Cooling Vents.

7. Trigger Assembly (SPST contacts, non-locking) with

Finger Extension. Optional locking trigger assembly

is available.

8. Swivel and Bellows Assemblies increase gun flexi-

bility.

9. Locking Collar & Swivel allow Rapid Selection of

Trigger-Down (shown) or Trigger-Up Positions.

10. Low-Profile Reusable Hose Clamps.

FEEDER END (Figure A.2, Items 1 thru 6)

1. Low-Profile Reusable Hose Clamps.

2. Incoming Connector Assembly: accommodates all

standard Lincoln Magnum 300, 400, and 550 feeder

connection K kits.

3. Gas Plug.

4. Vacuum Connection.

5. Modular Trigger Terminal Housing.

6. Vacuum Hose and Cover. Cover resists hot weld

spatter; can be quickly and easily replaced with

hook & eye closure along its entire length.

FIGURE A.1

FIGURE A.2

FIGURE A.3

FEEDER END (Figure A.4, Items 1 thru 8)

1. Accessory switch leads (blue and black) may serve

as spare trigger leads.

2. Trigger and accessory leads are routed to permit air

flow and avoid lead damage.

3. One-piece copper electrical connector (cone) and

gas hose barb fitting.

4. Copper cable nut for high electrical conductivity.

5. Two clamps (non-reusable) secure the cableʼs core

tube to its hose barb fittings.

A-3

INSTALLATION

MAGNUM™ PRO 350 and 550 FUME GUNS

A-3

COMPATIBILITY OF WELDING

MACHINES AND WIRE FEEDERS

1. If the welding process requires welding gas (FCAW-

GS, GMAW, or MIG), then either the welding

machine or feeder must be equipped with a gas

solenoid valve to supply welding gas to the fume

gun.

2. A gas mixer and regulator is required upstream of

the gas solenoid valve to supply specified blends of

welding gas at the specified flow rate.

PREPARING THE FUME GUN FOR

WELDING

• Read all safety information: See the front of this

instruction manual. Perform the following sections in

the order shown.

Prepare the Welding Machine and Wire Feeder as

follows:

1. Read all safety information in all related instruction

manuals.

2. Disconnect input power to the machine and the wire

feeder.

3. Machine and feeder polarity settings: Set to match

the electrodeʼs polarity requirement per the instruc-

tion manuals.

4. Gas selection: Connect gas supply to either the

machineʼs or the feederʼs gas solenoid valve. Set

the gas mixer (if required) to the specified gas com-

position.

5. Gas flow rate: Set the supply regulator to deliver a

gas flow rate of 50 to 70 SCFH thru the fume gun.

SAFETY PRECAUTIONS

ELECTRIC SHOCK CAN KILL.

• Turn the input power OFF at the weld-

ing power source before installation

or changing drive rolls and/or guides.

• Do not touch electrically live parts.

• Magnum™ Pro Fume Guns When inching with the

gun trigger, electrode and drive mechanism are

"hot" to work and ground and could remain ener-

gized several seconds after the gun trigger is

released.

• Welding Machines, Wire Feeders, and Fume

Extraction Equipment--Read and understand the

equipmentsʼ instruction manuals and all hazard

warnings on equipment and in the manuals.

• Personal Protective Equipment--Wear

the proper personal protective equip-

ment for welding, including but not

limited to, safety glasses, hearing

protection, protective footwear, weld-

ing helmet, welding gloves, and weld-

ing leathers.

• This product shall not be used in precipitation, or

in wet or damp locations.

• Use these fume guns only with all consumable

parts properly installed in place.

• Do not use these fume guns for arc-gouging.

------------------------------------------------------------------------

WARNING

FIGURE A.4

6. Split Y connector halves allow the gunʼs feeder end

to be easily serviced.

7. Modular trigger terminal housing. May be easily

changed to dual-procedure (DP) harness.

8. Incoming connector assembly accepts existing wire

feeder connection K kits for Magnum 300, 400, and

550 guns.

Dieses Handbuch passt für folgende Modelle

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