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The XTRWELD 44115 is a MIG welding liner designed for wire conduit applications in Bernard-style MIG guns. This liner guides welding wire from the drive roll through the gun cable and into the contact tip, maintaining consistent wire feed and reducing friction-related feed problems. It fits wire diameters from 0.035 inches to 0.045 inches and measures 15 feet in length, making it suitable for standard-reach MIG gun assemblies. Installation is performed by welding technicians and fabricators during routine gun maintenance or when replacing worn liners. The 44115 is manufactured to OEM quality standards and is marked with the part number and size for straightforward identification in the shop.
This liner is designed for use with Bernard-style MIG guns including the BTB, S-Gun, and W-Gun platforms. It serves as an OEM-quality replacement for traditional Bernard-style consumables and is compatible with Bernard Centerfire, Quick Tip, AccuLock, and S series gun configurations as a full replacement. Note that these consumable series are not mixable within a single assembly but can be swapped out entirely. Typical applications include light industrial fabrication, structural welding, and production MIG welding setups where consistent wire feed is critical to weld quality.
Designed as a replacement liner for Bernard-style MIG guns including BTB, S-Gun, and W-Gun models. Functions as a full replacement for Bernard Centerfire, Quick Tip, AccuLock, and S series consumables. These series are not mixable but are fully interchangeable as complete replacements. Brand names referenced are for identification purposes only.
Liner replacement is performed by a qualified welding technician or maintenance professional. Power down and disconnect the MIG welder from its power source before removing the gun cable or liner. Remove the contact tip and nozzle before extracting the old liner, then feed the new liner through the gun cable from the rear, trim to length if required, and reinstall the contact tip. Avoid kinking the liner during installation, as deformation can cause wire feed irregularities during operation.
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