Air Liquide FRO PRACTIC 191/2 User Manual

800034444 Rev. 01
ISTRUZIONI PER L’USO E MANUTENZIONE
USER MANUAL
INSTRUCTIONS POUR L’UTILISATION ET L’ENTRETIEN
BEDIENUNGS-UND WARTUNGSANLEITUNG
INSTRUCCIONES USO Y MANTENIMIENTO
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❍ I dati, gli schemi elettrici e le istruzioni d’uso e manuten-
zione contenuti nel presente libretto sono validi soltanto per
l’impianto del modello e con il numero di matricola indicato
nell’adesivo.
❍ The technical specifications and the wiring diagrams con-
tained in this user manual are valid only for the model sys-
tem which has the serial number indicated on the sticker.
❍ Les informations, les schemas electriques et les instruc-
tions pour l’utilisation et la manutention contenus dans ce li-
vret sont valables uniquement pour le type de modèle ayant
le numero de matricule indique sur l’adhesif.
❍ Die in diesem Handbuch enthaltenen Daten, Schaltpläne
und Gebrauchs- und Wartungshinweise sind nur für das Mo-
dell der Anlage gültig, das zusammen mit der entsprechen-
den Seriennummer auf dem Aufkleber angegeben wird.
❍ Los datos, los esquemas eléctricos y las instrucciones de
uso y mantenimiento contenidos en el presente manual son
válidos sólo para la instalación del modelo y con el número
de matrícula indicado en el adhesivo.
➧
PRACTIC 191/2 - 191 MCE - 203

Air Liquide FRO PRACTIC 191/2 Specifications

General

Manufacturer	Air Liquide
Duty cycle	60%
Wire diameter	0.6 - 1.0 mm
Protection class	IP21S
Model	191/2
Welding process	MIG/MAG
Output Current Range	30 A

Summary

SAFETY REGULATIONS

INSTALLATION OF EQUIPMENT

Details safe equipment setup and wiring practices.

PERSONAL PROTECTION AND PROTECTION OF OTHERS

Guidelines for operator and bystander safety.

FIRE AND EXPLOSION PREVENTION

Procedures to prevent fires and explosions during welding.

METAL FUME HAZARDS

Information on risks of welding fumes and gases.

RECOMMENDATIONS FOR REDUCING EMISSIONS

ASSESSMENT OF THE SURROUNDING AREA

Evaluating the environment for electromagnetic interference.

METHODS OF REDUCING EMISSIONS

Techniques for minimizing electromagnetic emissions.

TECHNICAL DESCRIPTION

MACHINE DESCRIPTION

Overview of MIG/MAG welder capabilities.

TECHNICAL DATA PLATE

Information on machine specifications and ratings.

DUTY CYCLE AND OVERHEATING

Explanation of machine performance limits and cooling.

VOLT-AMPERE CURVES

Graphical representation of output characteristics.

INSTALLATION

CONNECTING TO POWER SUPPLY

Procedure for connecting the welder to the mains.

POWER SUPPLY SPECIFICATIONS

Machine requirements for mains power.

PREPARING FOR USE

Considerations before starting operations.

FRONT PANEL CONTROLS

CONTROL PANEL OVERVIEW

Identification and function of front panel controls.

USE WITH CORED WIRE (OPTIONAL)

MILD STEEL WELDING WITH GAS

Setup for welding mild steel using gas.

ALUMINIUM WELDING

Setup for welding aluminium.

STAINLESS STEEL WELDING

Setup for welding stainless steel.

MIG WELDING PRINCIPLES

MIG WELDING FUNDAMENTALS

Basic principles of MIG welding process.

EQUIPMENT CONNECTION AND PREPARATION

WELDING SETUP

Connecting accessories and preparing for welding.

MIG WELDING FAULTS

FAULT CLASSIFICATION AND DESCRIPTION

Categories and descriptions of welding defects.

SPOT WELDING FAULTS

Specific issues related to spot welding.

MAINTENANCE

TORCH MAINTENANCE

Procedures for maintaining the welding torch.

CONNECTING THE TORCH

Steps for properly connecting the torch.

GUARANTEE

GUARANTEE TERMS AND CONDITIONS

Conditions and duration of the manufacturer's guarantee.