The GRACO 18C137 is a needle stop component, typically constructed from stainless steel (SST), designed to control and limit the movement of the needle within GRACO automatic airless spray guns. Its primary function is to ensure precise needle positioning and reliable operation during spraying applications. Key Features: Needle stop 18C137 Stainless steel (SST) Compatible with GRACO automatic airless spray guns (refer to specific models in documentation) Precision-engineered for reliable needle control Durable stainless steel construction for longevity Designed for ease of maintenance and replacement Applications:Used in GRACO automatic airless spray guns for industrial and commercial painting applications, ensuring consistent spray patterns and equipment reliability. Installation Notes: Using genuine GRACO parts ensures optimal performance, safety, and longevity of the equipment. Non-genuine parts may compromise spray quality and equipment reliability. Coat the setscrew with semi-permanent anaerobic sealant before installation Torque the setscrew to 6.5–7.5 in-lb (0.73–0.85 N•m) After installation, pull on the needle to ensure it seats fully Follow all manufacturer instructions for lubrication and alignment of related components
