Documentation Category: Semi-Auto MIG Guns2

How To Install AccuLock S Liners Step 1  Step 2 Step 3  Step 4 Back to Top

How to Repair the Cable on a BTB MIG Gun with a T Series Straight Handle Remove consumables (Nozzle, Retaining Head, Contact Tip). Remove the liner from the gun. Mount neck in the vise. Disassemble handle and remove switch from leads. Move the handle back. Bend cable behind connector cone. Cut cable at bend. Slide […]

How To Install or Replace a Euro Power Pin on a BTB Platform Gun Remove liner and strain relief from the gun assembly. Disconnect the Euro block leads from the gun by cutting as close as possible on both sides of the butt connectors in order to preserve wire for later retermination. Slide adaptor nut […]

How To Install or Replace a Bernard Quick Disconnect on a Best of the Best Platform MIG Gun  Remove liner from gun assembly. Viewing quick disconnect from cable end, align wave spring and large snap ring with opening access slot. Compress large snap ring with internal snap ring pliers and remove locking sleeve. Remove small […]

How To Install or Replace a Bernard Power Pin on a BTB MIG Gun  Remove nozzle, contact tip, and gas diffuser / retaining head and lay cable straight. Using a 10 mm wrench, turn liner lock counterclockwise until it is free from the power pin. Remove liner from gun assembly.  Remove the screw and assembly […]

How To Install or Replace a Fixed Neck on B Series or O Series Curved Handle BTB Platform Guns To remove neck, remove the nut insulator.  Using a wrench, rotate lock nut counterclockwise. Rotation will free neck from end fitting.  To install the neck, perform the above instructions in reverse order and tighten lock nut […]

How To Install or Replace a Fixed Neck on a T Series Small Straight Handle BTB MIG Gun  Loosen and remove locking collar.  Place neck in vise, twist handle lock nut counterclockwise and pull away from handle.  Remove screw from handle. Separate handle halves exposing jam nut and front of unicable.  Loosen jam nut using two […]

How To Install or Replace a Fixed Neck on a T Series Straight Handle BTB MIG Gun                                    Place neck in vise. Remove both switch mounting housing screws with an 8 mm nut driver.  Slide handle back exposing the cable […]

How To Install or Replace a Rotatable Neck on a BTB MIG Gun To remove neck, grasp lock nut and rotate counterclockwise. Rotation will free neck from end fitting. To install the neck, perform the above instructions in reverse order and torque to 38 in.-lbs. Liner may need to be changed if switching to a neck […]

How To Install or Replace a Liner on a BTB MIG Gun Bernard® Conventional Liners Remove nozzle, contact tip, and gas diffuser / retaining head and lay cable straight. Using a 10 mm wrench, turn liner lock counterclockwise until it is free from the power pin. Remove liner from gun assembly.  With cable laying straight, […]

How to Install or Replace a Fixed Neck on a Straight Handle MIG Gun Step 1 Place neck in vise. Remove both switch housing mount screws. Slide handle back, exposing the cable connection. Loosen the cable / neck connection using a 7/8″ wrench. Remove from vise and unthread neck by hand. NOTE: The body is […]