Miller Roughneck C-4015S User manual

OWNER’S MANUAL

2000 MILLER Electric Mfg. Co.

OMĆ200 386

May 2000

RoughneckEC-4015S Air-Cooled Gun

1. Specifications

Air-CooledGun For GMAW Welding

Note: Using mixed gases other than CO2reduces duty cycle ratings by 10-50%.

C-4015S Gun Feeds .045 To .068 in (1.2 To 1.7 mm) Wire

Duty Cycle Rating: 100%: 400 A With CO2Shielding Gas

Weight With 15 Ft (Heaviest) Power Cable: 10.3 lb (4.7 kg)

Ref. ST-800 797-C

2. Safety Precautions For GMAW Guns

A. 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.

B. GMAW Gun Hazards

WARNING

The symbols shown below are used throughout this manual to call attention to and identify possible

hazards. When you see the symbol, watch out, and follow the related instructions to avoid the hazard. The

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

feeder and welding power source manuals. Read and follow all Safety Standards.

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.

HOT SURFACES can burn skin.

1. Allow gun to cool before touching.

2. Do not touch hot metal.

3. Protect others from contact with hot metal.

FLYING PIECES OF METAL or DIRT can

injure eyes.

1. Wear safety glasses with side shields or face

shield.

WELDING WIRE can cause puncture

wounds.

1. Keep hands and body away from gun tip when

triggeris pressed.

OVERUSE can damage gun and void

warranty.

1. Followrated duty cycle.

2. Allow cooling period.

3. Reduce current or reduce duty cycle before

startingto weld again.

1. Read and follow these instructions and all safety

blocks carefully.

2. Have only trained and qualified persons install,

operate,or service this unit.

3. Call your distributor if you do not understand the

directions.

4. For WELDING SAFETY and EMF information,

read wire feeder and welding power source

manuals.

OM-200 386 Page 2

3. Gun Connection And Operation

Ref. ST-802 483-A / 802 626

1 Gun Securing Knob

2 Gun Block

3 Adapter

Loosen knob, insert adapter, and

tightenknob.

4 Gun Trigger Plug

5 Gun Trigger Receptacle

Insertplug into receptacle and tight-

en threaded collar.

6 Trigger Switch

Press switch to feed energized wire

and start gas flow.

OM-200 386 Page 3

4. Parts List

Ref. 802 630

Figure 4-1. Parts View

Description

Part

No.

Item

No.

Figure 4-1. Parts View

Quantity

1 200 282 NOZZLE 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2 200 278 TIP, contact 1.2 mm wire 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2♦200 279 TIP, contact 1.4 mm wire 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2♦200 280 TIP, contact 1.6 mm wire 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2♦200 281 TIP, contact 1.7 mm wire 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3 200 283 DIFFUSER, gas 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4 198 856 INSULATOR, nozzle 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5 198 858 LINER, 1.2 mm wire 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5♦198 859 LINER, 1.4/1.6/1.7 mm wire 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

♦OPTIONAL

Table of contents

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