GRACO Heavy Duty Nylon Piston, 12.500mm, Two-Piece, FR - (SKU: P7688-3A) Prime the pump according to

Prime the pump according to manufacturer instructions before starting

Align the tip using the handle for proper positioning

Clean and maintain the hopper kit according to manufacturer guidelines

Regularly inspect the arm guide for wear and replace as needed to maintain performance

Check for leaks and proper air supply after installation

GRACO Heavy Duty Nylon Piston, 12.500mm, Two-Piece, FR - (SKU: P7688-3A) Prime the pump according toThe GRACO P7688 3A is a heavy duty piston made from nylon, designed for use in fluid handling systems. It is engineered for lasting performance and is intended to be a replacement or upgrade part within GRACO equipment, specifically for applications requiring robust, wear resistant components in fluid transfer or lubrication systems. Key Features: Piston P7688 3A 12. 500mm Nylon HD, Two Piece, FR (Flame Retardant) Designed for use in GRACO fluid