The GRACO 279039 is a pump piston repair kit designed for use in GRACO air-operated pumps. It is intended to restore or maintain the function of the pump piston assembly within compatible GRACO equipment. The specific material is not detailed in available listings, but typical GRACO piston kits may include components made from nitrile, polyurethane, or other engineered materials for durability and chemical resistance.

Key Features:

• Pump piston repair kit
• Compatible with GRACO Fast-ball 100 Pumps (model 3A9292B, see manual reference)
• Designed for easy replacement and maintenance of pump piston assemblies
• Restores pump performance and reliability
• Supports optimal pump life when used with recommended installation and maintenance practices

Applications:
Used for the repair and maintenance of GRACO air-operated pumps, particularly in lubrication, paint, and fluid transfer applications where reliable piston performance is required.

Installation Notes:

• Using genuine GRACO parts ensures compatibility, reliability, and optimal performance of the pump. Non-genuine parts may compromise equipment safety and longevity.
• Refer to the GRACO equipment manual for detailed installation instructions
• Ensure all old seals and components are removed before installing the new kit
• Lubricate seals and O-rings as recommended by GRACO
• Check for proper alignment and seating of all components during installation
• Test the pump after installation to confirm proper operation
• Regularly inspect piston and seals for wear or damage
• Replace the piston kit as part of scheduled maintenance or when performance issues arise
• Use only recommended lubricants and cleaning agents