The GRACO 255552 is a piston seal kit designed for use in GRACO L200 series displacement pumps. It contains essential sealing and bearing components to ensure proper piston operation and prevent leaks. The kit is intended for maintenance and repair of GRACO 200cc lower pump assemblies, supporting reliable performance in demanding lubrication and fluid handling applications.

Key Features:

• Piston Seal Kit
• L200 (All), 200cc Lowers
• Metal and soft components (packing, O-rings, piston guide bearing, piston seat, piston seal)
• GRACO L200 series displacement pumps, 200cc lower assemblies
• Comprehensive sealing solution for piston assemblies
• Includes both metal and soft components for durability and leak prevention
• Supports ease of maintenance and reliable operation in harsh environments

Applications:
Used in maintenance and repair of GRACO L200 series displacement pumps, particularly for 200cc lower assemblies in industrial lubrication and fluid handling systems.

Installation Notes:

• Using genuine GRACO parts ensures optimal fit, performance, and longevity of the pump assembly.
• Lubricate piston seal before installation for smooth operation
• Install piston guide and bearing according to GRACO manual specifications
• Torque piston guide to recommended values (for 200cc: 57-63 ft-lbs / 77-85 N•m for displacement pump; 95-115 ft-lbs / 128-155 N•m for other assemblies as per manual)
• Ensure all seals and O-rings are seated properly to prevent leaks
• Regularly inspect seals and bearings for wear
• Replace worn components with genuine GRACO parts
• Follow GRACO maintenance schedules for optimal performance