The GRACO 258811 KIT, U-Cup Repair 80 is a maintenance kit designed for the repair and replacement of U-cup seals in GRACO Z-Series chemical pumps. The kit contains essential components to restore the sealing function within the pump, typically made from durable elastomeric materials suitable for chemical and industrial applications. Its intended use is to ensure reliable sealing and prevent leaks in high-wear areas of GRACO equipment.

Key Features:

• U-Cup Repair Kit
• 80 (likely refers to 80cc pump compatibility)
• Elastomeric seals and associated hardware
• GRACO Z-Series chemical pumps (80cc models)
• Designed for ease of maintenance and quick replacement
• Enhances reliability and extends equipment service life
• Reduces downtime by providing all necessary components for seal replacement

Applications:
Used for maintenance and repair of GRACO Z-Series chemical pumps, particularly in industrial, mining, and agricultural settings where reliable sealing is critical for safe and efficient operation.

Installation Notes:

• Using genuine GRACO repair kits ensures proper fit, performance, and longevity of the equipment. Non-genuine parts may compromise safety and efficiency.
• Replace worn or damaged U-cup seals and associated parts using components from the repair kit
• Lubricate seals, o-rings, and moving parts with appropriate grease before installation
• Follow manufacturer-recommended torque specifications for reassembly
• Ensure U-cups are oriented correctly (springs facing the displacement rod or throat cartridge as specified)
• Refer to the Z-Series Chemical Pumps High Wear Instructions-Parts manual for detailed assembly instructions
• Regularly inspect seals for wear and replace as needed
• Use only recommended lubricants and sealants
• Follow proper torque sequences and values for reassembly