Lincoln Electric S22693-121 - Manuals

vi vi TABLE OF CONTENTS Page Installation………………………………………………………………...……...…….Section A Technical Specifications...............................................................................................A-1General Description ...........................................................................

A-1 INSTALLATION A-1 800 AMP TANDEM MIG TORCH Torch and Cable assembly weights Torch body: 6.8 lbs (cables elevated 1 ft above torch body, 4ft from torch body) Shielding Gas Flow Rate Water Cooling Lead Electrode size Tandem MIG Torch Cable Length Availability TECHNICAL SPECIFICATIONS - Tandem MIG T...

800 AMP TANDEM MIG TORCH GENERAL DESCRIPTION T h e T a n d e m M I G 8 0 0 A m p W e l d i n g T o r c h i sdesigned to deliver two wire electrodes to a singleweld pool. The wire electrodes are electrically isolatedfrom one another providing independent parametercontrol of both electrodes. The torch...

800 AMP TANDEM MIG TORCH CONTACT TIP AND DIFFUSER INSTALLATION The welding torch is equipped with specially designeddiffusers. The diffuser is of a low profile design toaccommodate the Tandem torch design. The diffuseris required to provide a current path to the contact tipand must be secured tightl...

800 AMP TANDEM MIG TORCH CONTACT TIP SIZE Contact tips are available in standard sizes to matchthe wire specifications of the welding torch (.035, .045,.052 and .062 inches). Some Tandem applicationsmay require greater arc stability than others. If arcinstability due to electrical transfer through t...

B-1 OPERATION B-1 ELECTRODES AND EQUIPMENT The Tandem MIG 800 amp torch has been designedfor use with 0.035" through 0.062" diameter LincolnElectric solid and metal cored steel GMAW wire weld-i n g e l e c t r o d e s . R e f e r t o t h e a p p r o p r i a t e L i n c o l nprocess and elect...

B-2 OPERATION B-2 NOZZLE REAMING STATIONS D u r i n g r o b o t i c a p p l i c a t i o n s a r e a m e r s h o u l d b eemployed to keep the nozzle clean. Reaming the noz-zle between welds will reduce the down time associat-ed with manual torch cleaning. The M18426-1 ream-ing station is an option t...

C-1 MAINTENANCE C-1 CONTACT TIP REPLACEMENT Each application will dictate the frequency of contacttip replacement. Higher amperage, higher duty cycleo p e r a t i o n s w i l l r e q u i r e m o r e f r e q u e n t c o n t a c t t i preplacement. The condition of the contact tip greatlyeffects the w...

C-2 MAINTENANCE C-2 CONTACT TIP ALIGNMENT During gooseneck replacement or after a torch colli-sion it may be required to check the contact tip align-ment. If using a robot, it is recommended that a toolcenter pointer is placed in the robotic cell to define thelocation of the lead wire. A second loca...

C-4 MAINTENANCE C-4 800 AMP TANDEM MIG TORCH L10430-1 Torch Alignment Tool (Consisting of the following three parts) 1. Base dimensions (Part number L10430-3) 2. Check Block dimensions (Part number L10430-2)

D-1 TROUBLESHOOTING D-1 800 AMP TANDEM MIG TORCH If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed. CAUTION This Troub...

D-2 TROUBLESHOOTING D-2 800 AMP TANDEM MIG TORCH Observe all Safety Guidelines detailed throughout this manual If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical tro...