Table Of Contents - Nielsen CT4973 Original Instruction

SAFETY RULES.......................................................... .................................................................................................2
●These symbols are being used to identify potential risks.
●When seen a safety symbol in the manual, it must be understood that there is an injury risk and following
instructions must be read carefully to avoid potential risks.
● While welding, keep the third persons and especially the children away from the work area.
Read carefully the manual and the labels and the safety warnings on the machine.
●Make sure that the warning labels positioned on your machine are in good order. Renew the damaged and the
missing labels.
●Learn to operate the machine and how to make the controls properly.
●Operate your machine in convenient work areas. Improper modifications affect the safety of your machine
negatively and shorten its lifetime.
ELECTROMAGNETIC COMPATIBILITY（ EMC） ........................................................................................ ...... 6
1. TECHNICAL INFORMATIONS........................................................ ..................................................................7
1.1 GENERAL EXPLANATIONS.................................................. .....................................................................7
1.2 APPLICATION AREA ........................................................ ...........................................................................7
1.3 SYMBOL AND MEANING ON DATA PLATE ............................................................................................7
1.4 TECHNICAL SPECIFICATIONS................................................. ....................................................... ..........8
2. INSTALLATION..................................................................................... ..................................................... .......9
2.1 UPON RECEIPT AND CLAIMS........................................................... ..................................................... ...9
2.2 WORK AREA ........................................................................................... .............................................. .......9
2.3 INSTALLATION AND USAGE OF THE MACHINE ................................................ ................................. 9
2.3.1 CONNECT THE MACHINE TO POWER SUPPLY............................................................. ... ........10
2.3.2 CONNECT THE ELECTRODE HOLDER FOR
2.3.3 CONNECT THE EARTH WELDING CABLE TO THE MACHINE....................... ... ....................10
2.3.4 CONNECT THE EARTH CLAMP......................................................................................... ... .......10
2.3.5 CONNECT THE GAS CYLINDER...................................................................................... ... .........12
2.3.6 THREAD THE WELDING WIRE.................................................................................... ... ..............12
3. USAGE INFORMATION.......................................................................................................................... ... ......13
3.1 THE POWER SOURCE FRONT PANEL ............................................................................................... ... .......13
3.2 THE POWER SOURCE BACK PANEL ............................................................................................... ... .......13
3.3 ADJUSTING THE GAS FLOW.......................................................................................................... ... .......13
3.4 ALIGNING DRIVE ROLLS FOR APPROPRIATEWIRE DIAMETER.................................................. ....13
3.5ADJUSTING THE FREE WIRE LENGTH ,WELDING CURRENT AND VOLTAGE ...................... .......13
3.6 THE FUNCTIONS OF THE GUN SWITCH ...................................................................................... ... ......14
3.7 SETTINGS FOR ALUMINUM WELDING........................................................................................ ..........14
4. MAINTENANCE AND TROUBLESHOOTING........................................................................................ ........15
4.1 PERIODIC MAINTENANCE................................................................................................................ ... ....15
4.2 NONPERIODIC MAINTENANCE.................................................................................................... ... .......16
4.3 BASIC TROUBLESHOOTING ..................................................................................................... ... ... ........16
CONTENTS
IDENTIFYING SAFETY INFORMATION
UNDERSTANDING THE SAFETY WARNINGS
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MMA..................................................... ... ........10