Snap-On MM 250 SL Owners Manual

OPTIONS

FLEXTIG

TIG WELD WITH YOUR

SNAP-ON TOOLS MUSCLE MIG SYSTEM

(MM140SL, MM250SL)

The TIG Welding Process is used to produce the highest quality, porosity-free welds. The FLEXTIG adds TIG Welding capabilities to your Snap-on Tools MIG

Welder.

The FLEXTIG is designed for Tungsten-Inert Gas (TIG) welding with Direct

Current, Straight Polarity (DCSP) on steel, stainless steel, chrome-moly, copper or cast iron (18 Ga. minimum plate thickness).

THE FLEXTIG WILL NOT WELD ALUMINUM.

The FLEXTIG consists of a 200 amp, gas cooled torch with built-in gas control valve and remote on-off switch, 12-1/2 or 25 foot cable assembly and accessories required for putting the unit in service.

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SPECIFICATIONS

Part Number ........................ FLEXTIG 12 (12-1/2' cable)

FLEXTIG 25 (25' cable)

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

Welding Current

On-Off Control ................ Locking Switch onTorch

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CONTENTS OF FLEXTIG

TIG Torch with built-in valve

Locking Electric Switch with cord & plug

(installed on torch)

12-1/2 foot Power Cable with Connector

(installed on torch)

15 foot Gas Hose with fitting

(installed on torch)

3C116 Collet - for 1/16" tungsten

3C332 Collet - for 3/32" tungsten

3CB116 Collet Body - for 1/16" tungsten

3CB332 Collet Body - for 3/32" tungsten

3C6 Gas Cup - 3/8" orifice

3C7 Gas Cup - 7/16" orifice

3C8 Gas Cup - 1/2" orifice

300L Long Backcap

1/16" X 3" Tungsten Electrode

3/32" X 3" Tungsten Electrode

MHG5-B

ONE POUND SPOOL GUN

FOR ALUMINUM MIG WELDING

WITH SNAP-ON TOOLS

MUSCLE MIG SYSTEMS

(MM140SL, MM250SL)

The MHG5-B (Motorized Hand Gun System) is a compact, light-in-weight, easy to operate MIG welding system designed for aluminum welding. It will feed .023" Thru 3/64" diameter wire from 4 inch spools. The standard equipment cable is 25 feet in length. 35 foot and 50 foot cables are optional.

The wire speed control knob is built into the gun handle.

With the following options, the MHG5-B can also be used to weld steel or stainless steel (.030"-.035" diameter wire size).

SN-2160K Knurled Drive Roll for .030 - .035" steel wire

M5-T30 Contact tip - for .030" steel wire or M5-T35 Contact tip - for .035" steel wire

SPECIFICATIONS

Part Number ....................... MHG5-B

Gun Rating ......................... 200 Amps @ 100% duty cycle

250 Amps @ 60% duty cycle

Wire Feed Speed Range ... 50 to 650 inches per minute

Cooling Method .................. Air (gas)

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MHG5-B SYSTEM COMPONENTS

MHG-5 Spool Gun (only)

HGC9-25 Hand Gun Cable Assembly with fittings - 25 feet length

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MG-TXX Contact Tip(1 installed in gun)

2 - .030 (MG-T30)

3 - .035 (MG-T35)

2 - 3/64 (MG-T364)

M35-NA62 Nozzle Assembly

(installed on gun)

M35-D Gas Diffuser

(installed on gun)

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