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Table of Contents
Troubleshooting
Related Manuals for LOKERMANN GRAND MIG 160
Summary of Contents for LOKERMANN GRAND MIG 160
- Page 1 USER MANUAL INVERTER Based Welding Machines GRAND MIG 160 IMPORTANT: Read this OPERATOR MANUAL together with PRESCRIPTION AND COMPLIANCE MANUAL before to use this equipment. In case of loss one of two parts contact immediately your dealer. Allow the operator to consult this manual.
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Page 2: Table Of Contents
CONTENT 1 INSTALLATION WARNING 2 OVERVIEW 2.1 Brief Introduction 2.2 Working Principle 2.3 Volt-Ampere Characteristic 2.4 Principles of welding 3 INSTALLATION AND ADJUSTMENT 3.1 Parameters 3.2 Duty cycle and Over-heat 3.3 Equipment Connection 3.4 Maintenance of MIG Gun mechanism 3.5 Maintenance of the wire feed mechanism 4 OPERATION 4.1 Layout for the front and rear panel 4.2 Welding operation... -
Page 3: Installation Warning
INSTALLATION WARNING This machine is certified according to 60974-10:2014 Arc Welding Equipment Part 10: Electromagnetic Installation compatibility (EMC) requirement and the EUT belongs to Group 2 Class A. warning WARNING: This Class A equipment is intended for industrial use and it is not intended for use in residential locations where the elctrical power is provided by the public low-voltage supply system. -
Page 4: Overview
Rated Duty Cycle ： GRAND MIG 160 = 160A @ 25%(40°C) GRAND MIG 160 is suitable for all positions welding for various plates made of stainless steel, carbon steel,alloyed steel etc. Applications applied to pipe installment, petrochemical, architecture equipment, car repair, bicycle repair, handicraft and common steel fabrication. -
Page 5: Volt-Ampere Characteristic
（V） Volt-ampere characteristic The relation between the rated loading Working point voltage and welding current （A） Principles of welding Installation Models GRAND MIG 160 Adjustment Parameters Input Voltage（V） 1~220/230/240±10% Input Current (I1max)（A） Parameters Input Power（KW） Welding Current（A） 40-160 Welding Voltage Range (V) 16-22 No-load Voltage（V）... -
Page 6: Duty Cycle And Over-Heat
Duty cycle The letter “X” stands for Duty Cycle, which is defined as the portion of the time a welding machine Over-heat can weld continuously with it’s rated output current within a certain time cycle (10 minutes). The relation between the duty cycle “X” and the output welding current “I” is shown as the right figure. If the welding machine is overheating, the IGBT over-heat protection sensing will send a signal to the welding machine control unit to cut the output welding current OFF and light the over-heat pilot lamp on the front panel. -
Page 7: Maintenance Of Mig Gun Mechanism
Maintenance 1. Service the wire feed mechanism at least every time the reel is changed. of MIG Gun · Check the wear of the feed roll groove and change the feed roll when necessary. mechanism · Clean the welding gun wire guide with compressed air. 2. -
Page 8: Operation
Operation Layout for the front and rear panel Output “-“ MIG GUN Connect. Welding current/wire speed knob: Set the welding current/wire speed. Welding volt knob: Set the welding volt Alarm Led: When the welder is over voltage, less voltage, over current or over heated, the alarm pilot lamp will be on. -
Page 9: Welding Operation
4.2 Welding operation 4.2.1 Voltage You can use the voltage setting knob to set the output voltage before welding. setting 4.2.2 Wire You can use current setting knob to set the wire speed when the wire speed LED is on. When the speed setting current LED is on, it display the actual output welding current. -
Page 10: Mig Wire Feed Trouble Shooting
Material too thick. Joint preparation and design needs to allow access to bottom of groove while maintaining proper welding wire extension and arc Poor in incorrect joint preparation Lack of characteristics Keep the arc at the leading edge of the weld pool and Penetration −... -
Page 11: Operation Notices
Operation Notices ▲ Read Section §1 carefully before starting to use this equipment. ▲ Ensure that the input is single-phase: 50/60Hz, 220V ±15%. ▲ Before operation, none concerned people should not be around the working area and especially children. Do not watch the arc in unprotected eyes. ▲... -
Page 12: Troubleshooting
Troublesho- oting - Before the welding machines are dispatched from the factory, they have already been tested and calibrated accurately. It is forbidden for anyone who is not authorized by our company to do any change to the equipment! - Maintenance course must be operated carefully. If any wire becomes flexible or is misplaced, it maybe potential danger to user! - Only professional maintenance staff that isauthorized by our company could overhaul the machine! - Be sure to shut off the Main Input Power before doing any repair work on the welding machine! -
Page 13: Electrical Schematic Drawing
Electrical schematic drawing... - Page 14 LOKERMANN Srl, Via Produzione 16/18, 37044, Cologna Veneta, (VR) Italy, Tel: +39 0442 1722469 lokermann@lokermann.eu -www.lokermann.eu...