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You Are Here: Front Page » Air Compressor Parts: Belts, Filters, Regulators & More » Sears Craftsman Air Compressor Parts | Master Tool Repair » Sears Craftsman Portable Air Compressor Parts » Craftsman 919 Air Compressor Parts » Ring Kit (KK-4313) PID: 22649 MASTERTOOLREPAIR.COM

Ring Kit (KK-4313)

919 Craftsman Air Compressor Parts

Product Details
- Ring Kit (KK-4313)

Found under the following brands: Campbell Hausfeld, Maxus, Westward, Popular Brands, Craftsman, Kobalt, Speedaire, Ridgid

Obsolete, no replacement, none in stock

Description:

Pump 2 7/8

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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