Snap-On FLEX-TIG Manual de usuario

THE FLEX-TIG

ENABLES THE OPERATOR TO PERFORM HIGH

QUALITY TUNGSTEN-INERT GAS (T.I.G.) WELDING

ON STEEL, STAINLESS STEEL, CHROME-MOLY, COP-

PER AND CAST IRON.

THIS T.I.G. WELDING PACKAGE WILL NOT WELD ALUMINUM.

OWNERS MANUAL

FLEX-TIG

FOR TECH. SERVICE, CALL TOLL-FREE 1-800-232-9353

FORM WC5229 Rev. 1/99

INSTALLATION

OPERATION

REPLACEMENT PARTS

INTRODUCTION ........................................................................... 1

CONTENTS ................................................................................... 1

SPECIFICATIONS ......................................................................... 2

INSTALLATION ............................................................................. 2

OPERATION ................................................................................. 4

SCHEMATIC DIAGRAM ................................................................ 4

PARTS BREAKDOWN.................................................................. 5

MANUFACTURER’S LIMITED WARRANTY

This equipment is warranted against defects in materi-

als and workmanship for a period of 90 DAYS from the date

of purchase.

Should it become defective for such reason, the Manu-

facturer will repair it without charge, if it is returned to the

Manufacturer’s factory, freight prepaid. This warranty

does not cover: (1) failure due to normal wear and tear; (2)

consumable parts, such as, but not limited to, collets, collet

bodies, gas cups and heat shields; (3) damage by acci-

dent, force majeure, improper use, neglect, unauthorized

repair or alteration; (4) anyone other than the original

purchaser.

THIS LIMITED WARRANTY IS IN LIEU OF ALL

OTHER WARRANTIES, EXPRESS OR IMPLIED. THE

MANUFACTURER SHALL NOT BE LIABLE FOR ANY

INJURY TO PERSONS, INCLUDING DEATH; OR LOSS

OR DAMAGE TO ANY PROPERTY, DIRECT OR CON-

SEQUENTIAL, INCLUDING, BUT NOT LIMITED TO,

LOSS OF USE, ARISING OUT OF THE USE, OR THE

INABILITY TO USE, THE PRODUCT. THE USER AS-

SUMES ALL RISK AND LIABILITY WHATSOEVER IN

CONNECTION WITH THE USE OF THE PRODUCT,

AND BEFORE DOING SO, SHALL DETERMINE ITS

SUITABILITY FOR HIS INTENDED USE, AND SHALL

ASCERTAIN THE PROPER METHOD OF USING IT.

SOME STATES DO NOT ALLOW LIMITATIONS ON

HOW LONG AN IMPLIED WARRANTY LASTS, OR THE

EXCLUSIONS OR LIMITATIONS OF INCIDENTAL OR

CONSEQUENTIAL DAMAGES. SO THE ABOVE LIMI-

TATIONS OR EXCLUSIONS MAY NOT APPLY TO YOU.

THIS WARRANTY GIVES YOU SPECIFIC LEGAL

RIGHTS, AND YOU MAY HAVE OTHER RIGHTS WHICH

MAY VARY FROM STATE TO STATE.

TABLE OF CONTENTS

Snap-on Tools Corporation Kenosha, WI 53141-1410

Snap-on Tools Corporation Kenosha, WI 53141-1410 1

INTRODUCTION

The TIG Welding process is

used to produce the highest qual-

ity, porosity-free welds. The FLEX-

TIG adds this capability to your

MUSCLE MIG Welder. The FLEX-TIG

enables the operator to perform

high quality Tungsten-Inert Gas

(T.I.G.) welding on steel, stain-

less steel, chrome-moly, copper and

cast iron.

With Direct Current-Straight

polarity (DCSP), the FLEX-TIG will

perform on the (4) TIG settings, as

well as all (8) MIG settings (see

welder output chart and warning on

page 4). The (4) TIG settings are

"Special" TIG voltages for use on

materials ranging from 18 gauge

thru 3/32". The higher MIG voltages

are for use on material from 3/32"

thru 1/4".

The FLEX-TIG consists of a 200

amp gas cooled torch with built-in

gas control valve, remote On/Off

switch, 12 1/2 or 25 foot cable

assembly and the required consum-

able parts.

NOTE: THIS T.I.G. WELDING PACKAGE

WILL NOT WELD ALUMINUM.

CONTENTS

1- TIG Torch with built-in valve

1- Locking Electric Switch with

cord

(installed on torch)

1- Power Cable with Connector

(installed on torch)

1- Gas Hose with fitting

(installed on torch)

3- 3C116 Collet - for 1/16" tung-

sten

3- 3C332 Collet - for 3/32" tung-

sten

2- 3CB116 Collet Body - for 1/16"

tungsten

2- 3CB332 Collet Body - for 3/32"

tungsten

2- 3C6 Gas Cup - 3/8" orifice

6- 3C7 Gas Cup - 7/16" orifice

2- 3C8 Gas Cup - 1/2" orifice

1- 300L Long Backcap

3- 1/16" X 3" Tungsten Electrode

3- 3/32" X 3" Tungsten Electrode

2Snap-on Tools Corporation Kenosha, WI 53141-1410

TORCH HEAD ASSEMBLY

1. Select the size tungsten elec-

trode to be used.

2. Make sure teflon heatshield is

in place.

3. Locate the matching size Collet

and Collet body.

4. Drop the Collet, slit-end down,

into the Collet body.

5. Screw assembly into torch head,

Heatshield side, and tighten

firmly.

6. Install a Gas cup, screw into

place seating cup against teflon

heatshield.

7. Insert tungsten electrode,

prepped end first, thru torch

head, Collet and center hole of

Collet body.

8. Allow tungsten electrode to ex-

tend pass the cup 1/8".

9. Screw Backcap into torch head,

tighten firmly.

SPECIFICATIONS

PART NUMBER: FLEX-TIG 12

FLEX-TIG 25

TORCH RATING: 200 Amps, DCSP

DUTY CYCLE: 100%

(reduce duty cycle when operating

over 200 amps.)

COOLING METHOD: Gas (100% Argon)

SHIELDING GAS CONTROL METHOD:

Gas Valve on Torch

WELD CURRENT ON-OFF CONTROL:

Locking Switch on Torch

FIG. 1. TUNGSTEN PREPARATION

STABLE ARC

STRAIGHT GROUND

IDEAL VIEW

FLAT (the Dia. of this

flat governs Amperage

Capacity)

FIG. 2. TORCH HEAD ASSEMBLY

GAS CUP COLLET BODY

COLLET

HEAT-

SHIELD

TORCH

HEAD

TUNGSTEN

ELECTRODE BACKCAP

INSTALLATION

TUNGSTEN PREPARATION

NOTE

Before using the FLEX-TIG the

tungsten electrode must be

prepped.

1. Referring to Figure 1, grind the

electrode following the IDEAL

VIEW.

WRONG VIEW

ARC WANDER

RADIAL GROUND

POINT

Snap-on Tools Corporation Kenosha, WI 53141-1410 3

4. Plug the TIG torch switch cord

into the Control receptacle

(OUTPUT).

5. Attach the gas regulator/flow-

meter to a cylinder of 100% pure

Argon gas.

6. Attach the TIG torch gas hose

directly to the gas regulator/

flowmeter.

7. Turn on the gas cylinder and open

the TIG torch gas valve to purge

the system of impurities in the

gas line. Purge for one minute to

ensure porosity free welds.

INSTALLATION (Cont.)

FLEX-TIG INSTALLATION

1. Disconnect the Feeder control

cable assembly from the front of

the power source.

2. Plug the TIG torch power cable

into "WORK" (-) terminal.

3. Plug the Work cable into "TORCH"

(+) terminal. With the TIG torch

and Work cable connected in this

manner, straight polarity(DCSP)

current is available as required

for TIG welding.

SWITCH CORD

TO WELDER

CONTROL

RECEPTACLE

TIG

TORCH

GAS HOSE

TO REGULATOR/

FLOWMETER

100%

ARGON

GAS

CONTROL

RECEPTACLE

(OUTPUT)

POWER CABLE TO

WORK (-) TERMINAL

(WORK CABLE PLUGS INTO

POSITIVE (+) TERMINAL)

LOCKING

SWITCH

FIG. 3. FLEX-TIG TYPICAL INSTALLATION PROCEDURES

YOU ARE NOW READY TO TIG WELD!

GAS

VALVE

4Snap-on Tools Corporation Kenosha, WI 53141-1410

OPERATION

1. Open the TIG torch gas valve.

2. Set the flowmeter @ a 20 CFH flow

rate.

3. Turn "On" the MIG welding ma-

chine.

4. Set the welder MIG/TIG Voltage

control switch to the desire

setting. See "Welder Output

Chart" and Warning that follows.

WELDER OUTPUT CHART - FOR TIG WELDING

HEAT SETTING OUTPUT(Approx.)

TIG 1 50 AMPS

2 90 AMPS

3 105 AMPS

4 150 AMPS

MIG 1 160 AMPS

2 175 AMPS

3 190 AMPS

WARNING

THE FLEX-TIG IS RATED UP TO 200

AMPS, @ A 100 % DUTY CYCLE.

OPERATION ABOVE MIG VOLTAGE

SETTING #3 COULD RESULT IN

PERMANENT DAMAGE TO THE

TORCH HEAD AND CABLES.

5. Depress the TIG torch switch and

lock "On", scratch or touch

tungsten to the work and draw

back to establish an arc.

CAUTION

Continual sticking of the

tungsten electrode to the

work surface can cause severe

damage to the MIG welding

machine.

6. Once arc is established, hold

and maintain a steady arc until

base material becomes fluid.

Then continue welding while

maintaining a consistent arc

length and travel speed.

DIRECTION OF TRAVEL

WORK

FIG. 4. TIG WELDING ILLUSTRATION

14 PIN

PLUG

ON/OFF

SWITCH

RED

BLACK

FIGURE 5. SCHEMATIC DIAGRAM

COM.

N.O.

Snap-on Tools Corporation Kenosha, WI 53141-1410 5

{

REPLACEMENT PARTS - TIG TORCH ASSEMBLY

3C6

3C7

3C8

3CB116

3CB332

3C116

3C332

300HS

CK210V

300S

300L

SW2

312AH

325AH

SC12-300

SC25-300

SN-170A

SN-169A

SN-6204B

SN-168A

PART

NO. DESCRIPTION

210HE HANDLE (only)

300HS HEATSHIELD

300L LONG BACKCAP (with "o" ring)

300S SHORT BACKCAP (with "o" ring)

312AH GAS HOSE (only) - with fittings, 12 1/2'

325AH GAS HOSE (only) - with fittings, 25'

3C116 COLLET, 1/16"

3C332 COLLET, 3/32"

3C6 CUP, 3/8" ORIFICE

3C7 CUP, 7/16" ORIFICE

3C8 CUP, 1/2" ORIFICE

3CB116 COLLET BODY, 1/16"

3CB332 COLLET BODY, 3/32"

3HF FITTING, GAS HOSE

412CN-200A POWER CABLE (only) - with fittings, 12 1/2'

210HE

SN-6191B

3HF SN-520

412CN-200A

425CN-200A

412PC-200A

425PC-200A

PART

NO. DESCRIPTION

425CN-200A POWER CABLE (only) - with fittings, 25'

412PC-200A POWER CABLE AND HOSE ASSEMBLY, 12 1/2'

425PC-200A POWER CABLE AND HOSE ASSEMBLY, 25'

CK210V TORCH BODY (only)

- with valve assembly & heatshield

SC12-300 CONTROL WIRE (only) - with fittings, 12 1/2'

SC25-300 CONTROL WIRE (only) - with fittings, 25'

SN-168A CABLE TERMINAL (only)

SN-169A TERMINAL INSULATOR (only)

SN-170A CABLE TERMINAL ASSEMBLY (only)

SN-520 HOSE NUT

SN-6191B PLUG, 14 PIN (MALE PINS)

SN-6204B CLAMP, AMPHENOL

SW2 LOCKING ELECTRIC SWITCH (only)

VK VALVE (with "o" rings)

6Snap-on Tools Corporation Kenosha, WI 53141-1410

NOTES:

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