The GRACO 15B661 is a specialized installation tool designed to protect seals during assembly within GRACO equipment. Its primary function is to safeguard seals from damage by sharp threads during installation, ensuring proper fit and longevity of the seal. The material is not specified in available documentation. Key Features: Installation tool 15B661 Designed for use with GRACO equipment requiring seal installation Protects seals from sharp threads during installation Facilitates proper seal placement and fit Enhances equipment reliability by preventing seal damage Applications:Used during the assembly and maintenance of GRACO equipment where seals are installed, particularly in pumps and fluid handling systems. Installation Notes: Using genuine GRACO installation tools ensures correct fit, prevents seal damage, and maintains equipment reliability. Place the 15B661 tool into the throat bore before installing the seal to protect it from sharp threads Follow manufacturer torque specifications for related components (e.g., torque to 24-30 ft-lb (33-41 N•m) where applicable) Refer to the equipment manual for specific installation procedures