Miller XR Python 25 Ft. Manual de usuario

200 Ampere Push-Pull Welding Gun

XR -A Python 25 Ft.

Processes

Description

MIG (GMAW) Welding

OM-1500-17 218 022G

2006−06

Semi-Automatic, Air-Cooled,

MIG (GMAW) Welding Gun

™

File: MIG (GMAW)

Visit our website at

www.MillerWelds.com

Miller Electric manufactures a full line

of welders and welding related equipment.

For information on other quality Miller

products, contact your local Miller distributor to receive the latest full

line catalog or individual specification sheets. To locate your nearest

distributor or service agency call 1-800-4-A-Miller, or visit us at

www.MillerWelds.com on the web.

Thank you and congratulations on choosing Miller. Now you can get

the job done and get it done right. We know you don’t have time to do

it any other way.

That’s why when Niels Miller first started building arc welders in 1929,

he made sure his products offered long-lasting value and superior

quality. Like you, his customers couldn’t afford anything less. Miller

products had to be more than the best they could be. They had to be the

best you could buy.

Today, the people that build and sell Miller products continue the

tradition. They’re just as committed to providing equipment and service

that meets the high standards of quality and value established in 1929.

This Owner’s Manual is designed to help you get the most out of your

Miller products. Please take time to read the Safety precautions. They

will help you protect yourself against potential hazards on the worksite.

We’ve made installation and operation quick

and easy. With Miller you can count on years

of reliable service with proper maintenance.

And if for some reason the unit needs repair,

there’s a Troubleshooting section that will

help you figure out what the problem is. The

parts list will then help you to decide the

exact part you may need to fix the problem.

Warranty and service information for your

particular model are also provided.

Miller is the first welding

equipment manufacturer in

the U.S.A. to be registered to

the ISO 9001:2000 Quality

System Standard.

Working as hard as you do

−every power source from

Miller is backed by the most

hassle-free warranty in the

business.

From Miller to You

Mil_Thank 4/05

TABLE OF CONTENTS

SECTION 1 −SAFETY PRECAUTIONS FOR GMAW WELDING GUNS −READ BEFORE USING 1. . . . . . . .

1-1. Symbol Usage 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-2. GMAW Gun Hazards 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

EMF INFORMATION 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 2 −DEFINITIONS 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-1. Warning Label Definitions 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-2. Symbols And Definitions 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 3 −INSTALLATION 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-1. Specifications 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-2. Gun Lead Connections 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 4 −OPERATION 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-1. Controls and Settings 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-2. Drive Roll Removal/Installation 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-3. Idler Roll Removal/Installation 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 5 −MAINTENANCE & TROUBLESHOOTING 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-1. Routine Maintenance 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-2. Troubleshooting Guide 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-3. Troubleshooting Table 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 6 −ELECTRICAL DIAGRAMS 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 7 −PARTS LIST 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 8 −OPTIONS AND ACCESSORIES 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

WARRANTY

dec_wire_6/05

Declaration of Conformity for

European Community (CE) Products

This information is provided for units with CE certification (see rating label on unit).

NOTE

Manufacturer:European Contact:

Miller Electric Mg. Co. Mr. Danilo Fedolfi,

1635 W. Spencer St. Managing Director

Appleton, WI 54914 USA ITW Welding Products Italy S.r.l.

Phone: (920) 734-9821 Via Privata Iseo 6/E

20098 San Giuliano

Milanese, Italy

Phone: 39(02)98290-1

Fax: 39(02)98290203

European Contact Signature:

Declares that the product: Python®

conforms to the following Directives and Standards:

Directives

Low Voltage Directive: 73/23/EEC

Electromagnetic Compatibility (EMC) Directive: 89/336/EEC

Standards

Arc Welding Equipment −Part 5: Wire Feeders. IEC 60974-5 Ed. 1

Arc Welding Equipment −Part 10: Electromagnetic Compatibility (EMC) Requirements. IEC 60974-10 August 2002

Arc Welding Equipment −Part 1: Welding Power Sources. IEC 60974-1 Ed. 2.1

Degrees Of Protection Provided By Enclosure (IP Code) IEC 60529 Ed. 2.1

Insulation Coordination For Equipment Within Low-Voltage Systems −

Part 1: Principles, Requirements and Tests: IEC 60664-1 Ed. 1.1

Arc Welding Equipment −Part 7: Torches. IC 60974-7 Ed.1

The product technical file is maintained by the responsible Business Unit(s) located at the manufacturing facility.

OM-1500-17 Page 1

SECTION 1 −SAFETY PRECAUTIONS FOR GMAW

WELDING GUNS −READ BEFORE USING

SR7_8/03

1-1. Symbol Usage

Means Warning! Watch Out! There are possible hazards with this

procedure! The possible hazards are shown in the adjoining symbols.

This group of symbols means Warning! Watch Out! Possible ELECTRIC SHOCK and HOT PARTS hazards.

Consult symbols and related instructions below for necessary actions to avoid the hazards.

YMarks a special safety message.

.Means NOTE; not safety related.

1-2. GMAW Gun Hazards

WARNING

PROTECT YOURSELF AND OTHERS FROM POSSIBLE SERIOUS INJURY OR DEATH. KEEP CHILDREN

AWAY. PACEMAKER WEARERS KEEP AWAY UNTIL CONSULTING YOUR DOCTOR.

In welding, as in most jobs, exposure to certain hazards occurs. Welding is safe when precautions are taken. The

safety information given below is only a summary of the more complete safety information found in the wire feeder

and welding power source Owner’s Manuals. Read and follow all safety precautions.

HAVE ALL INSTALLATION, OPERATION, MAINTENANCE, AND REPAIR WORK PERFORMED ONLY BY

QUALIFIED PEOPLE.

GMAW WELDING can be hazardous.

ARC RAYS can burn eyes and skin.

1. Wear welding helmet with correct shade of filter.

2. Wear correct eye and body protection.

3. Cover exposed skin with spatter-resistant

clothing.

ELECTRIC SHOCK can kill.

1. Always wear dry insulating gloves.

2. Insulate yourself from work and ground.

3. Do not touch live electrode or electrical parts.

4. Repair or replace worn, damaged, or cracked

gun or cable insulation.

5. Turn off welding power source before changing

contact tip or gun parts.

6. Keep all covers and handle securely in place.

WELDING can cause fire or explosion.

1. Do not weld near flammable material.

2. Do not weld on closed containers.

3. Watch for fire; keep extinguisher nearby.

NOISE can damage hearing; SOME

APPLICATIONS, SUCH AS PULSING,

are noisy.

1. Check for noise level limits exceeding those

specified by OSHA.

2. Use approved ear plugs or ear muffs if noise level

is high.

3. Warn others nearby about noise hazard.

HOT SURFACES can burn skin.

1. Allow gun to cool before touching.

2. Do not touch hot metal.

3. Protect hot metal from contact by others.

FUMES AND GASES can be hazardous

to your health.

1. Keep your head out of the fumes.

2. Ventilate area, or use breathing device.

3. Read Material Safety Data Sheets (MSDSs) and

manufacturer’s instructions for material used.

WELDING WIRE can cause puncture

wounds.

1. Keep hands and body away from gun tip when

trigger is pressed.

BUILD UP OF GAS can injure or

kill

1. Shut off shielding gas supply when not in

use.

2. Always ventilate confined spaces or use

approved air-supplied respirator.

OM-1500-17 Page 2

EMF INFORMATION

The following is a quotation from the General Conclusions Section of

the U.S. Congress, Office of Technology Assessment, Biological

Effects of Power Frequency Electric & Magnetic Fields −

Background Paper, OTA-BP-E-53 (Washington, DC: U.S.

Government Printing Office, May 1989): “. . . there is now a very large

volume of scientific findings based on experiments at the cellular

level and from studies with animals and people which clearly

establish that low frequency magnetic fields can interact with, and

produce changes in, biological systems. While most of this work is

of very high quality, the results are complex. Current scientific

understandingdoes not yet allow us to interpret the evidence in a

single coherent framework. Even more frustrating, it does not yet

allow us to draw definite conclusions about questions of possible risk

or to offer clear science-based advice on strategies to minimize or

avoid potential risks.”

To reduce magnetic fields in the workplace, use the following

procedures:

1. Keep cables close together by twisting or taping them.

2. Arrange cables to one side and away from the operator.

3. Do not coil or drape cables around the body.

4. Keep welding power source and cables as far away as practical.

5. Connect work clamp to workpiece as close to the weld as

possible.

About Pacemakers:

The above procedures are among those also normally

recommended for pacemaker wearers. Consult your doctor for

complete information.

Considerations About Welding And The Effects Of Low Frequency Electric And

Magnetic Fields

NOTE

mod10.1 4/93

OM-1500-17 Page 3

SECTION 2 −DEFINITIONS

1 1.1 1.2 1.3

3 3.1 3.2 3.3

4 4.1 +

22.1 2.2

2.3

S-178 936

A. Warning! Watch Out! There

are possible hazards as

shown by the symbols.

B. Drive rolls can injure fingers.

C. Welding wire and drive parts

are at welding voltage during

operation −keep hands and

metal objects clear.

1 Electric shock can kill.

1.1 Wear dry insulating gloves.

Do not touch electrode with

bare hand. Do not wear wet or

damaged gloves.

1.2 Protect yourself from electric

shock by insulating yourself

from work and ground.

1.3 Disconnect input plug or

power before working on

machine.

2 Breathing welding fumes can

be hazardous to your health.

2.1 Keep your head out of the

fumes.

2.2 Use forced ventilation or local

exhaust to remove the fumes.

2.3 Use ventilating fan to remove

fumes.

3 Welding sparks can cause

explosion or fire.

3.1 Keep flammables away from

welding. Don’t weld near

flammables.

3.2 Welding sparks can cause

fires. Have a fire extinguisher

nearby and have a watch

person ready to use it.

3.3 Do not weld on drums or any

closed containers.

4 Arc rays can burn eyes and

injure skin.

4.1 Wear hat and safety glasses.

Use ear protection and button

shirt collar. Use welding

helmet with correct shade of

filter. Wear complete body

protection.

5 Become trained and read the

instructions before working on

the machine or welding.

6 Do not remove or paint over

(cover) the label.

2-1. Warning Label Definitions

ABC

OM-1500-17 Page 4

2-2. Symbols And Definitions

Some symbols are found only on CE products.

Note

AAmperes VVolts AlternatingCurrent XDuty Cycle

IP Degree Of

Protection Hz Hertz Circuit Breaker Wire Feed

Jog Output Trigger Gun

Press To Set Increase Trigger Hold On Trigger Hold Off

Purge Spot Weld Time Percent Run-In

Burnback Time U1Primary Voltage U2Load Voltage Read Instructions

I1Primary Current I2Rated Current Line Connection Water (Coolant) In-

put

Water (Coolant)

Output Fuse Continuous

Spot Welding

OM-1500-17 Page 5

SECTION 3 −INSTALLATION

3-1. Specifications

Wire Capacity

Aluminum wire - .030 in - 1/16 in (0.8 mm - 1.6 mm) using teflon liner

Cored and Hard wire - .030 in - .045 in (0.6 mm - 1.2 mm) using spiral steel liner

Wire Speed

At rated feeder input voltage - 70-800 Ipm (20.3 mpm)

Duty Cycle - 100% (200 Amps peak)

All ratings are based from using Argon gas

Gun Weight

Less leads −2.5 lbs (1.13 kg)

Ref. 803 870-A

Shipping Weight

Approximately 19.29 lbs (8.29 kg)

3-2. Gun Lead Connections

Power Cable - A #2 AWG power cable is used. The gun end of the cable has a fitting crimped to the copper cable

strands. This fitting is then threaded into the gun body. The cabinet end of the power cable is incorporated into the

Power Pin connector.

Conduit - Poly-lined conduit, for feeding aluminum wire. The longer fitting with a shallow groove is used on the gun

end. A set screw located on top of the gun handle secures the conduit in place. The cabinet end of the conduit is incor-

porated into the Power Pin connector.

Gas Hose - The gas hose is pushed over a barbed fitting on the gun body and secured with a plastic tie wrap. The

cabinet end of the gas hose is incorporated into the Power Pin connector.

Electric Cable - A multi-conductor control cable is used. The gun end of the cable is secured with a cable clamp and

the wires are connected to the potentiometer, the micro switch, the motor and the gun body mechanically. The cabinet

end of the control cable uses a 10-Pin, Amphenol connector.

OM-1500-17 Page 6

SECTION 4 −OPERATION

4-1. Controls and Settings

1 Potentiometer

The potentiometer is located in the

lower end of the handle, providing

up to 800 ipm (20.3 mpm) with 3 3/4

turns.

2 Trigger

3 Trigger Sensitivity

Adjustment Screw

The amount of trigger level travel

can be shortened for quicker re-

sponse action.

A more sensitive trigger lever is

produced by reducing the gap be-

tween the trigger lever and the mi-

cro switch lever. Turning the trig-

ger sensitivity adjustment screw

clockwise closes the gap between

the trigger lever and the micro

switch lever. This will enable the

operator to increase the sensitivity

of the trigger level.

Sensitivity adjustment - With the

wire feeder turned on (with or with-

out welding wire loaded), turn the

screw clockwise until the micro−

switch is activated. Once acti-

vated, the gun and wire feeder mo-

tors will begin feeding wire. Turn

the screw counter clockwise until

the system is deactivated and ad-

justed to the operators’ liking.

Close top cover.

803 870-A

Tools Needed:

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