Tweco N7500 User Manual
Page 4

TABLE OF CONTENTS
1.01 Notes, Cautions and Warnings ........................................................................ 1-1
1.02 Arc Welding Hazards ....................................................................................... 1-1
1.03 Principal Safety Standard Publications ........................................................... 1-4
1.04 Declaration of Conformity ............................................................................... 1-5
2.01 Arcair-Matic N7500 Gouging System .............................................................. 2-1
2.02 N7500 Specifications ...................................................................................... 2-2
SECTION 3: SYSTEM COMPONENT DESCRIPTION .................................................... 3-1
3.01 Control Box ..................................................................................................... 3-1
3.02 Torch Head ...................................................................................................... 3-4
3.03 Remote Pendant ............................................................................................. 3-6
3.04 Electrodes ....................................................................................................... 3-7
3.05 Gouging Operation Settings ............................................................................ 3-8
3.06 Selecting the Proper Electrode Diameter ........................................................ 3-9
3.07 Keeping Electrodes Dry ................................................................................... 3-9
3.08 Secondary Power Cables (Welding Leads) ..................................................... 3-9
3.09 Compressed Air ............................................................................................ 3-10
3.10 Main Air Line ................................................................................................ 3-10
SECTION 4: ASSEMBLY AND INSTALLATION ........................................................... 4-1
4.01 Receiving and Handling .................................................................................. 4-1
4.02 Assembly ........................................................................................................ 4-3
4.03 Miscellaneous Cable/Plumbing Assemblies .................................................... 4-3
4.04 Control Box Installation .................................................................................. 4-4
4.05 Torch Head Installation ................................................................................... 4-7
4.06 Remote Pendant Installation ........................................................................... 4-8
4.07 Remote Pendant Storage ................................................................................ 4-9
SECTION 5: OPERATING THE N7500 SYSTEM .......................................................... 5-1
5.01 Remote Pendant Operation ............................................................................. 5-1
5.02 Position Torch Head ........................................................................................ 5-2
5.03 Insert the Electrode ......................................................................................... 5-2
5.04 Remote Pendant Programming ...................................................................... 5-3