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279636 - Miller Air/Oil Separator Tube Replacement Kit

Packaging: 1 PER EA
$262.24/EA $171.46/1 PER EA only $171.46/EASave 35%

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OVERVIEW

Maintain Peak Compressor Performance with Genuine Miller Parts

The Miller 279636 Kit, Air/Oil Separator Tube is a critical maintenance component designed for specific Miller engine-driven welding machines equipped with integrated air compressors. In industrial environments where equipment uptime is paramount, ensuring the reliability of your auxiliary systems is just as important as maintaining the welding arc itself. This kit provides the necessary tubing and components to replace worn or damaged lines within the air/oil separation circuit, a vital system that ensures the compressed air delivered by your machine is free of lubricating oil and contaminants.

Over time, the high temperatures and pressures associated with rotary screw or piston compressors can degrade rubber and synthetic tubing. A compromised separator tube can lead to oil leaks, reduced air pressure, or the carryover of oil into the air lines, which can damage pneumatic tools and ruin plasma cutting operations. The Miller 279636 is engineered to meet the exact material specifications required by Miller's engineering team, offering superior resistance to heat, pressure, and synthetic compressor oils compared to generic bulk tubing.

By choosing this genuine OEM kit, maintenance personnel can ensure a precise fit without the need for adapters or makeshift solutions. The kit is designed to restore the factory performance of the air/oil separation system, maintaining the delicate balance of internal pressures required for efficient compressor operation. Whether performing routine preventative maintenance or addressing a specific failure, this separator tube kit is the professional choice for extending the service life of your Miller industrial equipment.

Technical Reliability

Miller Electric manufactures their replacement parts to the same rigorous standards as their original equipment. This separator tube kit undergoes strict quality control to ensure it can withstand the vibration and thermal cycling inherent in engine-driven welder environments. Installing genuine parts protects the warranty status of the machine and ensures that safety and performance standards are not compromised.

Additional Information
Packaging Description:1 Per Ea
Product Type:Repair Kit
Component:Air/Oil Separator Tube
----- new values below ----
Product Type:Repair Kit
Component:Air/Oil Separator Tube
Brand:Miller
Packaging Description:1 Per Ea

INCLUDED

  • 1 x Air/Oil Separator Tube
  • Installation Hardware (if applicable to kit configuration)

APPLICATIONS

  • Replacement of worn air/oil separator tubes in Miller engine-driven welders
  • Repair of integrated air compressor systems on welding generators
  • Routine maintenance for Miller Air Pak and similar models (verify serial number)
  • Fixing oil leaks or pressure drops in the compressor circuit

FAQ

Due to the variety of Miller engine drives and compressor configurations, it is essential to verify fitment using your machine's specific serial number. You can check the parts manual for your unit or contact a distributor with your serial number for confirmation.

Common signs include visible oil leaks around the tube connections, brittleness or cracking of the tube material, or oil contamination appearing in the compressed air output.

The kit contents are typically limited to the specific tube and necessary fittings. If clamps are not explicitly listed in the product contents, it is recommended to retain existing hardware or purchase new clamps separately if they are corroded.

It is not recommended. This OEM tube is molded to specific dimensions and made of materials designed to withstand the specific heat and chemical properties of the compressor oil used in Miller machines. Generic tubing may fail prematurely.

This part is specifically for the integrated air compressor system found on certain Miller welder-generators, not the diesel or gas engine itself.

It should be inspected during every routine service interval (typically every 100-250 hours depending on the machine schedule) for signs of wear, rubbing, or heat damage.

Failure can result in a loss of compressor pressure, significant oil mess inside the machine enclosure, and potential damage to the compressor air end due to oil starvation.