Graco 15D564 O‑Rings Repair Kit — Detailed Description
The Graco 15D564 O‑Rings Repair Kit is a genuine OEM service kit designed to provide a comprehensive set of seals and O‑rings for key maintenance points in Graco pump systems. This kit ensures high integrity sealing in fluid systems, preventing leaks, preserving pressure, and supporting long‑term performance in industrial spraying and fluid handling applications.
Key Features & Benefits
- Includes a full set of matched O‑rings, sized and selected for critical sealing locations in Graco pumps and fluid assemblies.
- OEM‑grade materials ensure compatibility, proper fit, and long life under operating conditions of spray and fluid equipment.
- Simplifies maintenance and rebuild procedures by providing all necessary seals in one package, reducing downtime and inventory complexity.
- Helps restore equipment to factory sealing performance, reducing the risk of fluid leakage, pressure loss or contamination ingress.
- Optimizes system reliability and service intervals when used as part of regular maintenance scheduling.
Compatibility & Application
The 15D564 repair kit is specified for use in various Graco pump assemblies and systems where O‑ring replacement is required during overhaul or service. It is commonly used in service kits for diaphragm pumps, fluid valves and other components where multiple O‑rings must be updated to maintain sealing integrity.
Technical Specifications
| Specification |
| Part Number |
15D564 |
| Description |
Repair Kit, O‑Rings for Graco fluid systems |
| Contents |
Multiple O‑rings sized for inlet/outlet and internal sealing locations |
| Material |
OEM‑grade elastomer suitable for fluid and spray environments |
| Application |
Sealing maintenance kit for Graco pumps and assemblies |
Installation & Maintenance Advice
- Depressurize the system and shut off both fluid and air power sources before beginning service.
- Disassemble the components requiring O‑ring replacement and carefully remove the old seals and any debris from seating surfaces.
- Clean all mating surfaces thoroughly to ensure proper sealing of the new O‑rings.
- Select the correct O‑ring from the 15D564 kit according to the service manual marking or parts list and lightly lubricate as recommended.
- Install each O‑ring ensuring proper orientation and no twisting, then reassemble the component and torque to the manufacturer’s specification.
- After assembly, restore system pressure and inspect for any leaks or irregularities; monitor during initial operation for proper sealing behaviour.
- Track service intervals and inspect O‑ring condition periodically; replace again if signs of wear, hardening or leakage appear.
Why Use or Replace With This Kit?
- Using the correct OEM repair kit ensures that every sealing surface is addressed, maintaining system reliability and performance.
- A worn or incorrect O‑ring can lead to fluid leaks, loss of pressure, contamination ingress and increased maintenance cost.
- Having a complete kit like the 15D564 simplifies service planning, reduces downtime on job sites, and prevents the need for multiple part orders.
Frequently Asked Questions
The 15D564 kit includes a selection of precisely sized O‑rings intended for multiple sealing locations in Graco pump and fluid modules, offering a full service replenishment in one package.
Replace the O‑rings whenever you perform major maintenance such as fluid cover removal, valve service or any seal‑compromising operation. Also inspect frequently and replace if you notice leaks, pressure fluctuations or seal degradation.
Yes, the 15D564 kit is an official Graco service kit designed to supply the correct O‑rings for specified Graco pump and fluid assemblies.
