The GRACO 258947 KIT,U-CUP REPAIR 30 is a genuine replacement kit designed for the maintenance and repair of GRACO Z-Series chemical pumps, specifically for 30cc pump models. The kit contains U-cup seals and related components, typically made from durable elastomeric materials suitable for chemical handling. Its primary function is to restore sealing integrity and prevent leaks in the pump assembly.

Key Features:

• U-Cup Seal Repair Kit
• 30cc (for Z-Series pumps)
• GRACO Z-Series chemical pumps, specifically 30cc models
• Designed for easy replacement and maintenance
• Restores sealing integrity in pump assemblies
• Supports reliable operation in chemical transfer applications

Applications:
Used for the repair and maintenance of GRACO Z-Series chemical pumps in industrial, agricultural, and mining environments where chemical transfer is required.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, longevity, and safety of the pump system. Non-genuine parts may compromise sealing and lead to leaks or equipment failure.
• Lubricate seals, O-rings, and moving parts with grease before installation
• Assemble U-cups and bearings onto the displacement rod before tightening the piston retainer
• Torque fasteners according to GRACO specifications (refer to manual for exact values)
• Apply anti-seize lubricant to threads as recommended
• Ensure U-cup springs face the correct direction (toward the throat cartridge or displacement rod as specified)
• Replace worn or damaged parts with components from the repair kit
• Follow the assembly instructions in the GRACO manual for your specific pump model
• Use proper tools and torque wrenches for installation
• Inspect all components for wear or damage before assembly