Graco 686604 55:1 King Repair Kit

Compatible Machines

The Graco 686604 55:1 King Repair Kit is designed for servicing and rebuilding Graco King 55:1 air-operated airless pumps. It restores pump efficiency by replacing worn seals, packings, and internal wear components.

• Graco King 55:1 Airless Pump Systems
• Graco King 55:1 Air Motor Pump Assemblies
• Graco King Industrial Airless Sprayers (55:1 Ratio)
• Graco King Protective Coatings Sprayers
• Graco King Corrosion Protection Coating Systems

Product Overview

The Graco 686604 Kit Repair 55:1 King is an OEM maintenance kit developed to rebuild and service Graco King series 55:1 ratio pumps. Over time, pump components such as packings and seals experience wear due to continuous high-pressure operation. This repair kit allows technicians to restore the pump to proper working condition without replacing the entire pump assembly.

King air-operated pumps are widely used in heavy-duty industrial coating applications where reliable high pressure is required. Routine servicing with genuine repair kits helps maintain spraying consistency and prevents costly downtime.

Key Features

Typical Components Included

The Graco 686604 repair kit generally contains essential service parts required for pump maintenance and rebuilding.

• Packings and sealing components
• O-rings and gaskets
• Valve-related internal parts
• Wear components required for pump servicing

Using genuine replacement parts ensures the pump maintains proper pressure, fluid flow, and long operational life in demanding coating environments.

Applications

The Graco King 55:1 pump repair kit is commonly used in equipment handling high-viscosity materials and heavy industrial coatings. These systems are widely used in industries where high pressure and durability are essential.

• Protective coating systems
• Marine and shipyard painting equipment
• Structural steel and bridge coating
• Oil and gas industry coating systems
• Fireproofing and epoxy coating sprayers

Frequently Asked Questions