The Miller 198396 is a specialized Monocoil Liner Assembly designed to facilitate the smooth transfer of welding wire from the feeder to the contact tip or through bulk wire conduit systems. Engineered by Miller Electric, this liner is specifically manufactured to handle wire diameters between 0.030 inches and 0.045 inches, covering the most common range of solid and flux-cored wires used in general fabrication and industrial manufacturing. The defining characteristic of this component is its exceptional length; at 37 feet, it far exceeds standard gun liner lengths, indicating its intended application in extended-reach push-pull systems, boom-mounted feeders, or as a conduit liner for drum-fed bulk wire setups.
Constructed from high-grade monocoil steel, the liner offers a balance of flexibility and rigidity. The monocoil design consists of a tightly wound spring-steel helix that resists collapsing or kinking even when routed around bends. This structural integrity is critical for maintaining a constant internal diameter, which ensures that the friction coefficient between the wire and the liner wall remains low and consistent. In long-distance wire feeding, minimizing drag is paramount to preventing motor strain, wire slippage at the drive rolls, and the erratic arc characteristics associated with "chattering" wire feed.
Proper maintenance of the wire feeding path is essential for high-quality welding outputs. Over time, liners accumulate metal shavings, drawing lubricants, and shop dust, which can increase friction and lead to feeding issues. The Miller 198396 serves as a direct OEM replacement, ensuring that dimensional tolerances match Miller equipment specifications perfectly. For industrial maintenance teams, utilizing genuine Miller parts guarantees that the gas flow characteristics (if used within a gun cable) and electrical isolation properties are maintained as designed. This liner is supplied as a single assembly and is typically trimmed to the exact required length during installation to ensure a precise fit against the gas diffuser and power pin.
| Additional Information |
|---|
| Brand:Miller |
| Item:Liner |
| Wire Size:0.030" - 0.045" |
| Length:37 ft |
| Packaging Description:1 per each |
| Material:Steel Monocoil |
| For Use With:Miller Wire Feed Systems |
