The GRACO 24K869 is a replacement bolt center section kit designed for use with the 3300A series air-operated diaphragm pumps. This kit contains essential hardware for rebuilding or maintaining the center section of the pump, ensuring proper assembly and secure operation. The specific material of the bolts is not specified, but the kit is intended for use with both aluminum and polypropylene center sections in the 3300A series.

Key Features:

• Replacement bolt center section kit
• For 3300A series air-operated diaphragm pumps
• GRACO Husky 3300A series air-operated diaphragm pumps
• Essential for center section rebuilds and maintenance
• Ensures secure assembly of pump center section
• Supports both aluminum and polypropylene center sections

Applications:
Used for maintenance, repair, and rebuild of the center section in GRACO Husky 3300A series air-operated diaphragm pumps, which are commonly employed in fluid transfer applications, including high-viscosity materials.

Installation Notes:

• Using genuine GRACO replacement parts ensures proper fit, function, and longevity of the pump, reducing the risk of leaks or mechanical failure.
• Follow the manufacturer’s recommended torque specifications for bolts (typically 25–35 ft-lb for aluminum, 20–25 in-lb for pilot valves, as per manual)
• Use medium-strength thread locker on bolts and install washers as directed
• Ensure alignment pins are used to hold the assembly together during installation
• Grease and install pilot valves with care, avoiding over-torquing