Lincoln Electric RED-D-ARC DX450 Bedienungsanleitung

RED-D-ARC

DX450

IM962-B

January, 2010

Red-D-Arc Spec-Built Welding Equipment

This

RED-D-ARC

welder is built to

RED-D-ARC Extreme Duty

design specifications by Lincoln Electric.

Safety Depends on You

This welder 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.

For use with machines having Code Numbers: 11512, 11561

North America’s Largest Fleet of Welding Equipment

1-800-245-3660

OPERATOR’S MANUAL

DX450 (RED-D-ARC)

FOR ENG NE

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

welding arc or when the engine is running.

Stop the engine and allow it to cool before

refueling to prevent spilled fuel from vaporiz-

ing 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

position 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 WELD NG CAN BE HAZARDOUS. PROTECT YOURSELF AND OTHERS FROM POSS BLE SER OUS NJURY OR DEATH.

KEEP CH LDREN AWAY. PACEMAKER WEARERS SHOULD CONSULT W TH THE R DOCTOR BEFORE OPERAT NG.

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. ox

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 NSTALLAT ON, OPERAT ON, MA NTENANCE AND REPA R PROCEDURES ARE

PERFORMED ONLY BY QUAL F ED ND V DUALS.

WARN NG

Mar ‘95

ELECTR C AND

MAGNET C F ELDS

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.

CAL FORN A PROPOS T ON 65 WARN NGS

Diesel engine exhaust and some of its constituents

are known to the State of California to cause can-

cer, birth defects, and other reproductive harm.

The engine exhaust from this product contains

chemicals known to the State of California to cause

cancer, birth defects, or other reproductive harm.

The Above For Diesel Engines The Above For Gasoline Engines

DX450 (RED-D-ARC)

SAFETY

ARC RAYS can urn.

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.

ake 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 e 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 unavoida le 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.

aintain 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 e 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 possi le and within applica le OSHA PEL and

ACGIH TLV limits using local exhaust or mechanical

ventilation. In confined spaces or in some circum-

stances, outdoors, a respirator may e 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 spe-

cific welding procedure and application involved. Worker

exposure level should be checked upon installation and

periodically 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 manufacturer’s instructions for this

equipment and the consumables to be used, including the

material safety data sheet ( SDS) and follow your

employer’s safety practices. SDS forms are available from

your welding distributor or from the manufacturer.

5.f. Also see item 1.b.

Jan ‘09

iii

SAFETY

iii

DX450 (RED-D-ARC)

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 manufacturer’s

recommendations.

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

Electrical Code and the manufacturer’s 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.

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 cir-

cuits. 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, a

022690-9101.

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

Jan ‘09

Refer to http://www.lincolnelectric.com/safety for additional safety information.

SAFETY

DX450 (RED-D-ARC)

Mar. ‘93

PRÉCAUT ONS 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 L’Arc

1. Protegez-vous contre la secousse électrique:

a. Les circuits à l’électrode 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 s’isoler de la masse quand on

soude dans des endroits humides, ou sur un plancher

metallique 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

defonctionnement.

d.Ne jamais plonger le porte-électrode dans l’eau 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 s’applicuent 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 n’importe quelle partie

du corps.

3. Un coup d’arc peut être plus sévère qu’un coup de soliel,

donc:

a. Utiliser un bon masque avec un verre filtrant approprié

ainsi qu’un verre blanc afin de se protéger les yeux du ray-

onnement de l’arc et des projections quand on soude ou

quand on regarde l’arc.

b. Porter des vêtements convenables afin de protéger la

peau de soudeur et des aides contre le rayonnement de

l‘arc.

c. Protéger l’autre personnel travaillant à proximité au

soudage à l’aide d’écrans appropriés et non-inflammables.

4. Des gouttes de laitier en fusion sont émises de l’arc de

soudage. Se protéger avec des vêtements de protection libres

de l’huile, 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 l’on pique le laitier.

6. Eloigner les matériaux inflammables ou les recouvrir afin de

prévenir tout risque d’incendie dû aux étincelles.

7. Quand on ne soude pas, poser la pince à une endroit isolé de

la masse. Un court-circuit accidental peut provoquer un

échauffement et un risque d’incendie.

8. S’assurer que la masse est connectée le plus prés possible

de la zone de travail qu’il est pratique de le faire. Si on place

la masse sur la charpente de la construction ou d’autres

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

de voir passer le courant de soudage par les chaines de lev-

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

des risques d’incendie ou d’echauffement des chaines et des

câbles jusqu’à ce qu’ils 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

d’opérations de dégraissage, nettoyage ou pistolage. La

chaleur ou les rayons de l’arc 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.

PRÉCAUT ONS DE SÛRETÉ POUR

LES MACH NES À SOUDER À

TRANSFORMATEUR ET À

REDRESSEUR

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

l’électricité 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, I’installation et l’entretien du poste seront

effectués par un électricien qualifié.

3. Avant de faires des travaux à l’interieur de poste, la debranch-

er à l’interrupteur à la boite de fusibles.

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

place.

TThhaannkk YYoouufor selecting one of our QUAL TY products. We want you to take

pride in operating this 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:

WARN NG

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.

CAUT ON

Please Examine Carton and Equipment For Damage mmediately

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 machine nameplate.

Product _________________________________________________________________________________

Model Number ___________________________________________________________________________

Code Number or Date Code (if available)______________________________________________________

Serial Number (if available)__________________________________________________________________

Date Purchased___________________________________________________________________________

Where Purchased_________________________________________________________________________

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

have recorded above.

CUSTOMER ASS STANCE POL CY

The business of our company is manufacturing and selling high quality welding equipment. Our challenge is to

meet the needs of our customers and to exceed their expectations. On occasion, purchasers may ask us for

advice or information about their use of our products. We respond to our customers based on the best informa-

tion in our possession at that time. We are not in a position to warrant or guarantee such advice, and assume no

liability, with respect to such information or advice. We expressly disclaim any warranty of any kind, including any

warranty of fitness for any customer’s 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 informa-

tion 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.

We are a responsive manufacturer, but the selection and use of specific products sold by us is solely within the

control of, and remains the sole responsibility of the customer. Many variables beyond our control 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.

vi TABLE OF CONTENTS

Page

nstallation.......................................................................................................................Section A

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

Safety Precautions ........................................................................................................A-2

VRD (Voltage Reduction Device)..................................................................................A-2

Location and Ventilation................................................................................................A-2

Stacking ........................................................................................................................A-2

Angle of Operation ........................................................................................................A-2

Lifting.............................................................................................................................A-2

High Altitude Operation .................................................................................................A-3

High Temperature Operation ........................................................................................A-3

Cold Weather Operation ......................................................................................................A-3

Towing..................................................................................................................................A-3

Vehicle Mounting..................................................................................................................A-3

Pre-Operation Engine Service..............................................................................................A-3

Oil..................................................................................................................................A-3

Fuel ...............................................................................................................................A-4

Engine Coolant..............................................................................................................A-4

attery Connections......................................................................................................A-4

Muffler Outlet Pipe ........................................................................................................A-4

Spark Arrester ...............................................................................................................A-4

Remote Control .............................................................................................................A-4

Electrical Connections..........................................................................................................A-5

Machine Grounding ..............................................................................................................A-5

Welding Terminals................................................................................................................A-5

Welding Output Cables ........................................................................................................A-5

Cable Installation..................................................................................................................A-5

Auxiliary Power Receptacles and Plugs...............................................................................A-6

Standby Power Connections ................................................................................................A-6

Premises Wiring ...................................................................................................................A-7

Connection of Lincoln Electric Wire Feeders................................................................A-8, A-9

________________________________________________________________________________

Operation.........................................................................................................................Section B

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

General Description.............................................................................................................. -1

For Auxiliary Power .............................................................................................................. -1

Engine Operation.................................................................................................................. -1

Add Fuel ............................................................................................................................... -1

reak in Period..................................................................................................................... -1

Welder Controls ............................................................................................................. -2, -3

Engine Controls.................................................................................................................... -4

Starting and Stopping the Engine........................................................................... -4, -5

Welding Operation................................................................................................................ -5

Duty Cycle and Electrode Information........................................................................... -5

Constant Current (Stick) Welding......................................................................................... -5

Downhill Pipe (Stick) Welding................................................................................ -5, -6

Tig Welding ................................................................................................................... -6

Typical Current Ranges for Tungsten Electrodes ......................................................... -6

Wire Welding-CV........................................................................................................... -7

Arc Gouging .................................................................................................................. -7

Auxiliary Power..................................................................................................................... -7

Simultaneous Welding and Power Loads ..................................................................... -7

Extension Cord Recommendations............................................................................... -7

________________________________________________________________________________

Accessories.....................................................................................................Section C

Field Installed Options / Accessories ...............................................................................C-1

________________________________________________________________________________

vii vii

TABLE OF CONTENTS

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

Safety Precautions ................................................................................................D-1

Routine Maintenance ............................................................................................D-1

Engine Service Items.............................................................................................D-1

Engine Oil Change..........................................................................................D-2

Engine Oil Filter Change.................................................................................D-2

Air Cleaner .....................................................................................................D-2

Service Instructions And Installation Tips for Engine Air Filter .......................D-3

Cooling System .....................................................................................................D-4

Fan elt...........................................................................................................D-4

Fuel .................................................................................................................D-4

leeding the Fuel System ...............................................................................D-4

Fuel Filter ........................................................................................................D-5

Engine Adjustment ..........................................................................................D-5

attery Maintenance .......................................................................................D-5

Servicing Optional Spark Arrestor ...................................................................D-5

Welder / Generator Maintenance ........................................................................D-6

Storage ...........................................................................................................D-6

Cleaning..........................................................................................................D-6

rush Removal and Replacement ..................................................................D-6

________________________________________________________________________

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

How to Use Troubleshooting Guide.......................................................................E-1

Troubleshooting Guide.............................................................................E-2 thru E-6

________________________________________________________________________

Connection Diagrams, Wiring Diagrams and Dimension Print...................Section F

________________________________________________________________________

Parts List.....................................................................................................P-582 Series

________________________________________________________________________

DX450 (RED-D-ARC)

A-1

NSTALLAT ON

A-1

1. Output rating in watts is equivalent to volt-amperes at unity power factor. Output voltage is within ± 10% at all loads up to

rated capacity. When welding, available auxiliary power will be reduced.

* To Top of enclosure, add 10.68”(271.3mm) to top of exhaust pipe. Add 6.67”(169.4mm) to top of Lift ail.

2. Reduced to less than 32V in the CC-stick Mode when VRD (VOLTAGE REDUCTION DEVICE) is on.

TECHN CAL SPEC F CAT ONS - DX450 (K2712-1)

Make/Model Description Speed (RPM) Displacement Starting Capacities

cu. in. (ltrs.) System

4 cylinder 148.5(2.4)

12VDC attery &

Fuel: 20 gal.

35.4 HP High Idle 1880 starter (75 L)

KU OTA 1800 RPM

ore x Stroke inch (mm)

(Group 34; 650

Oil: 10Qts. (9.5L)

2403-M Full Load 1800

3.43” X 4.03”

cold crank amps)

(87.1 x 102.4mm)

40 Amp Radiator Coolant:

Low Idle 1400 Alternator 8.0 Qts. (7.6L)

NPUT - D ESEL ENG NE

RATED OUTPUT @ 104° F (40° C) - WELDER

LUBR CAT ON EM SS ONS FUEL SYSTEM GOVERNOR

Full Pressure EPA Tier 4 Interim Mechanical Fuel Pump, Auto air bleed Electronic

with Full Flow Filter Compliant system, Electric shutoff solenoid, Indirect fuel injector.

A R CLEANER ENG NE DLER MUFFLER ENG NE PROTECT ON

Low noise Muffler: Shutdown on low oil

Single Element Automatic Idler Top outlet can be rotated. pressure & high engine

Made from long life, aluminized steel. coolant temperature

Welding Process

DC Constant Current

DC Pipe Current

Touch-Start™TIG

DC Constant Voltage

Arc Gouging

Output Range

30 TO 500 AMPS

40 TO 300 AMPS

20 TO 250 AMPS

14 TO 36 VOLTS

90 TO 450 AMPS

Max. Weld OCV

@Rated Load RPM

60 Volts2

Welding Output

Current/Voltage/Duty Cycle

400A / 36V / 100%

450A / 32V / 100%

300A / 32V / 100%

250A / 30V / 100%

400A / 36V / 100%

450A / 32V / 100%

400A / 36V / 100%

Auxiliary Power 1

12,000 Watts Peak, / 11,000 Watts Continuous, 60 Hz 120/240 Volts Single Phase

19,000 Watts Peak, / 17,000 Watts Continuous, 60 Hz, 240 Volts 3-Phase

ENG NE

RECEPTACLES AUX L ARY POWER C RCU T BREAKER OTHER C RCU T BREAKERS

(2)120VAC Duplex (5-20R)GFCI Protected

Two 20AMP for Two Duplex Receptacle 10AMP for attery Charging Circuit

(1) 120/240VAC Dual Voltage (1) 50AMP for Dual Voltage and for 10AMP for 42V Wire Feeder Power

Full KVA (NEMA SSR-50R) 3-Phase (3-pole)

(1) 240VAC 3-Phase (15-50R)

MACH NE SPEC F CAT ONS

RATED OUTPUT @ 104° F (40° C).- GENERATOR

HE GHT W DTH DEPTH WE GHT

35.94* in. 25.30 in 60.00 in.

913 mm 643 mm 1524 mm

PHYS CAL D MENS ONS

1245lbs. (565kg.)

L FT BA L WE GHT RAT NG 2000 LBS. (907KG.) MAX MUM

A-2

NSTALLAT ON

DX450 (RED-D-ARC)

A-2

SAFETY PRECAUT ONS

Only qualified personnel should install,

use, or service this equipment.

Do not attempt to use this equipment until you

have thoroughly read the engine manufacturer’s

manual supplied with your welder. t includes

important safety precautions, detailed engine

starting, operating and maintenance instructions,

and parts lists.

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

ELECTR C SHOCK can kill.

• Do not touch electrically live parts or

electrode with skin or wet clothing.

• nsulate yourself from work and

ground

• Always wear dry insulating gloves.

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

ENG NE EXHAUST can kill.

• Use in open, well ventilated areas or

vent exhaust outside.

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

MOV NG PARTS can injure.

• Do not operate with doors open or

guards off.

• Stop engine before servicing.

• Keep away from moving parts.

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

See additional warning information at

front of this operator’s manual.

WARN NG

VRD (VOLTAGE REDUCT ON DEV CE)

The VRD feature provides additional safety in the CC-Stick

mode especially in an environment with a higher risk of

electric shock such as wet areas and hot humid sweaty

conditions.

The VRD reduces the OCV (Open Circuit Voltage) at the

welding output terminals while not welding to less than 13V

DC when the resistance of the output circuit is above 200

(ohms).

The VRD requires that the welding cable connections be

kept in good electrical condition because poor connections

will contribute to poor starting. Having good electrical con-

nections also limits the possibility of other safety issues

such as heat-generated damage, burns and fires.

The machine is shipped with the VRD switch in the “Off”

position. To turn it “On” or “Off”.

• Turn the engine “Off”.

• Disconnect the negative battery cable.

• Lower the control panel by removing 4 front

panel screws.

(See Figure A.1)

• Place the VRD switch in the “On” or “Off” position.

(See Figure A.1)

With the VRD switch in the “On” position, the VRD lights

are enabled.

LOCAT ON AND VENT LAT ON

The welder should be located to provide an unrestrict-

ed flow of clean, cool air to the cooling air inlets and to

avoid restricting the cooling air outlets. Also, locate

the welder so that the engine exhaust fumes are prop-

erly vented to an outside area.

STACK NG

DX450 machines cannot be stacked.

ANGLE OF OPERAT ON

Engines are designed to run in the level condition

which is where the optimum performance is achieved.

The maximum angle of continuous operation is 25

degrees in all directions, 35 degrees Intermittent (less

than 10 minutes continuous) in all directions. If the

engine is to be operated at an angle, provisions must

be made for checking and maintaining the oil level at

the normal (FULL) oil capacity in the crankcase.

When operating the welder at an angle, the effective

fuel capacity will be slightly less than the amount

specified.

L FT NG

The DX450 weighs approximately 1391lbs. (631kg.)

with a full tank of fuel, 1245lbs. (565kg) less fuel. A lift

bail is mounted to the machine and should always be

used when lifting the machine.

(VRD)-VOLTAGE REDUCTION DEVICE

SWITCH IS LOCATED IN THIS AREA.

REMOVE 4 FRONT PANEL

SCREWS TO ACCESS

(VRD) SWITCH

F GURE A.1

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