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The TWECO 1440-1036 is a conduit liner designed for use in MIG welding gun assemblies. Conduit liners guide the welding wire from the drive rolls through the gun cable and into the contact tip, maintaining consistent wire feed and reducing friction during operation. This liner weighs 3.15 pounds and fits within a package envelope of 13.3 inches by 12.5 inches by 3.4 inches. It is sold as a single unit and is a standard replacement component installed by welding technicians and maintenance professionals in fabrication and manufacturing environments.
Conduit liners are consumable components in MIG welding setups. They are used in both light industrial and heavy fabrication applications where consistent wire feed is critical to weld quality. Replacement is typically required when the liner shows wear, kinking, or contamination that causes wire feed issues or birdnesting at the drive roll. This part is sold individually, making it suitable for single-gun replacement without the need to purchase in bulk.
Designed as an OEM-style replacement conduit liner for TWECO MIG welding gun assemblies requiring this liner configuration.
Conduit liner replacement is performed by qualified welding equipment technicians or maintenance personnel. Before replacing the liner, disconnect the welding gun from the wire feeder and ensure the power source is off. Remove the contact tip and nozzle, then pull the old liner from the gun cable before feeding the new liner through and trimming to the appropriate length. Follow the equipment manufacturer's instructions for proper liner seating and trim length to avoid wire feed problems.
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