[Applicability]: This 055-0078 spring is suitable for Sanborn, Craftsman, Coleman, Power Mate, and industrial air compressors. Replaces 055-0005 055-0078 137-0001 105-0004 Regulator Spring.It can be used as a replacement air compressor adjustment knob spring, eliminating loose or malfunctioning adjustment knobs [Stable Pressure Regulation]: Compatible with sanborn air compressor parts is a core component controlling air compressor pressure. Our air compressor damping spring ensures smooth and continuous knob operation, preventing pressure fluctuations and guaranteeing compressor efficiency [Durable Material]: The 055-0078 regulator knob spring is made of durable, tough, and non-deformable materials. It is resistant to fading, corrosion, oxidation, and scratches even with long-term exposure, making it robust, durable, and with a longer service life [Installation]: When the air compressor rotary switch fails to reset due to spring compressor parts, replace the spring promptly. Prepare a new spring, wrench, screwdriver, and other necessary tools. Open the cover, unscrew the screws to remove the old spring, replace it with the new 055-0078 spring, ensuring it is in the correct position, tighten the screws, and the replacement is complete [After-sales Service]: Before purchasing, please verify the applicable model of the original parts to avoid buying the wrong parts. We provide excellent after-sales service. If you have any questions about the product, please contact us by email, and we will reply to you as soon as possible within 24 hours. Thank you! [Accessory Number]: 055-0078 spring [ Replacement Parts]:055-0078 Replace the air compressor adjustment knob spring, suitable for Sanborn, Craftsman, Coleman, Power Mate, and industrial air compressors [Installation]: When the rotary switch of the air compressor cannot be reset due to the spring, affecting the switch or causing adjustment failure, replace it with a new 055-0078 spring. At this point, it is necessary to prepare new springs, wrenches, screwdrivers, and other related tools. Open the cover plate, unscrew the screws to remove the spring, replace it with a new 055-0078 spring, ensure its position is correct, tighten the screws, and complete the replacement. (Warm reminder: When replacing the spring, please turn off the power in advance, use a wrench and screwdriver to loosen the fixing screw, slowly remove the old spring, and be careful to avoid injury caused by sudden loosening of the spring.) [Durable]: The steel we use has high strength, strong resilience, and is not easily deformed. Long term exposure is not easy to fade, corrosion-resistant, prevents oxidation and scratches, sturdy and durable, with a longer service life [Service]: Before purchasing, please check the applicable model of the original accessories to avoid purchasing the wrong accessories. We provide high-quality after-sales service. If you have any questions about the product, please contact us via email and we will reply to you as soon as possible within 24 hours. Thank you.