The GRACO 866306 Retainer, Suction is an original equipment part designed for use in GRACO airless paint sprayers and similar equipment. It is a vital component that helps secure and maintain the suction valve assembly, ensuring proper fluid flow and preventing leaks. The material is not specified in available sources, but it is engineered for durability and reliable performance within GRACO systems.

Key Features:

• Retainer, Suction
• Compatible with select GRACO airless paint sprayers (e.g., SL800/1100 Mustang 11000 Airless Paint Sprayer)
• Essential for maintaining suction valve assembly integrity
• Supports reliable operation and leak prevention
• Designed for ease of maintenance and replacement

Applications:
Used in GRACO airless paint sprayers and similar equipment to secure the suction valve assembly and ensure proper fluid flow during operation.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, safety, and longevity of equipment. Non-genuine parts may compromise system integrity and void warranties.
• Replace the black O-ring and suction ball with new ones from the packing kit during installation
• Place the suction seat into the flat side of the ball guide, over the suction ball
• Insert the white O-ring into the groove around the suction seat
• Assemble the suction valve and place it into the bottom of the fluid body with the rounded side fitting inside
• Secure the suction seat support and thread the suction nut over it
• Tighten the packing nut as specified in the manual
• Regularly inspect the retainer and associated O-rings for wear or damage
• Replace worn components promptly to prevent leaks and maintain performance
• Follow manufacturer-recommended maintenance schedules