Boss ARC 140 Specifications

MODEL • BOSS ARC 140VRD • BOSS ARC 160VRD Operating Manual (Owner’s Manual) IMPORTANT: Read these instructions before installing, operat

- 9 - BOSS ARC 140VRD、160VRD Operating Manual 2.02 Specifications MODEL BOSS ARC 140VRD BOSS ARC 160VRD Input voltage and frequency and phases

- 10 - BOSS ARC 140VRD、160VRD Operating Manual 3.0 OPERATOR CONTROLS 3.01 BOSS ARC VRD Series Controls Figure 2 1. Welding Cur

- 11 - BOSS ARC 140VRD、160VRD Operating Manual 3.02 Weld parameters description Figure 3 BOSS ARC VRD Series front panel with parameter descript

- 12 - BOSS ARC 140VRD、160VRD Operating Manual 4.0 SET-UP FOR MMA (STICK) AND GTAW (TIG) Conventional operating procedures apply when using the w

- 13 - BOSS ARC 140VRD、160VRD Operating Manual 4.01 Stick welding l Connect work lead to negative terminal. l Connect electrode lead to positiv

- 14 - BOSS ARC 140VRD、160VRD Operating Manual 5.0 POWER SUPPLY CONTROLS INDICATORS AND REATURES Figure 5 BOSS ARC VRD Series front panel 1.

- 15 - BOSS ARC 140VRD、160VRD Operating Manual 6.0 BASIC TIG WELDING GUIDE 6.01 Electrode Polarity Connect the TIG torch to the - / torch termi

- 16 - BOSS ARC 140VRD、160VRD Operating Manual 6.05 Shielding gas selection Alloy Shielding gas Aluminium & alloys Argon Carbon steel Argo

- 17 - BOSS ARC 140VRD、160VRD Operating Manual 7.0 BASIC ARC WELDING GUIDE 7.01 Electrode polarity Stick electrodes are generally connected to

- 18 - BOSS ARC 140VRD、160VRD Operating Manual 8.0 MAINTENANCE If this equipment does not operate properly, stop work immediately and investigat

- 1 - BOSS ARC 140VRD、160VRD Operating Manual CONTENTS SYMBOL LEGEND-------------------------------------------------------------------------------

- 19 - BOSS ARC 140VRD、160VRD Operating Manual 9.0 BASIC TROUBLESHOOTING WARNING

- 20 - BOSS ARC 140VRD、160VRD Operating Manual 9.02 TIG welding problems Weld quality is dependent on the selection of the correct consumables, m

- 21 - BOSS ARC 140VRD、160VRD Operating Manual 11. Arc start is not smooth. A Tungsten electrode is too large for the welding current. B The wrong

- 22 - BOSS ARC 140VRD、160VRD Operating Manual 9.04 Power source problems Description Possible Cause Remedy 1 The welding arc can not be esta

- 23 - BOSS ARC 140VRD、160VRD Operating Manual 10.0 PART LIST

- 24 - BOSS ARC 140VRD、160VRD Operating Manual

- 25 - BOSS ARC 140VRD、160VRD Operating Manual Figure 6 QTY. ARC 140VRD ARC 160VRD Sequence Order No Name Sensor A Sensor B Sensor A Sensor B 1

- 26 - BOSS ARC 140VRD、160VRD Operating Manual 2-9 3KITP000106030 THERMOSTAT (Inside) 1 1 1 1 2-10 4VQK2SK2837 MOSFET 2837 12 12 16 16 2

- 27 - BOSS ARC 140VRD、160VRD Operating Manual 30 4FANCA1238 FAN COVER 1 1 1 1 31 2FP8647000-1 CAP PROTECTION (Inside) 2 2 2 2 32 4JFT2

- 2 - BOSS ARC 140VRD、160VRD Operating Manual SYMBOL LEGEND A Amperage Stick (SMAW) V Voltage Pulse Current Function (GTAW) Hz Hertz (frequency

- 3 - BOSS ARC 140VRD、160VRD Operating Manual STATEMENT OF WARRANTY LIMITED WARRANTY: "BOSS" warrants to customers of its authorized distr

- 4 - BOSS ARC 140VRD、160VRD Operating Manual 1.0 GENERAL INFORMATION 1.01 Notes, Cautions and Warnings Throughout this manual, notes, caution

- 5 - BOSS ARC 140VRD、160VRD Operating Manual ELECTRIC SHOCK Electric Shock can injure or kill. The arc welding process uses and produces high v

- 6 - BOSS ARC 140VRD、160VRD Operating Manual 1.03 Transporting methods These units are equipped with a handle for carrying purposes. WARNING: E

- 7 - BOSS ARC 140VRD、160VRD Operating Manual 2.0 INSTALLATION RECOMMENDATION Installation Environment BOSS ARC VRD Series is designed for use in

- 8 - BOSS ARC 140VRD、160VRD Operating Manual 2.01 Electrical Input Connections WARNING: ELECTRIC SHOCK can kill; SIGNIFICANT DC VOLTAGE is