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You Are Here: Front Page » Air Compressor Parts: Belts, Filters, Regulators & More » Mi-T-M Air Compressor Parts » Mi-T-M Portable Air Compressor Parts » Mi-T-M Direct-Drive Pump Parts » Ring Set PID: 35324 MASTERTOOLREPAIR.COM

Ring Set

Mi-T-M Direct-Drive Pump Parts

Product Details

Obsolete, no replacement, none in stock

Obsolete

Description: Stagger rings and hone cylinders. Only available in Ring Set # 70-0347 and/or Piston Assembly Kit # 70-0339.

The piston rings provide compression in an air compressor pump by providing the seal in between the cylinder wall and the piston. In an oil-bath pump, there are usually two compression rings and one oil (scraper) ring to keep oil from passing the piston and into the head. In an oil-free pump, the piston is Teflon-coated and doesn’t require lubrication. If your pump is pulling oil into the head or if compression is very low (oil-bath pumps), replace the rings. If your pump isn’t pressurizing or if the piston ring is damaged along the outer perimeter (oil-free pumps), replace it. Also replace the cylinder sleeve when replacing the compression ring (oil-free pumps).


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