The GRACO 178116 Washer, Back-Up is a small, typically rubber or plastic component designed to provide a secure seal and prevent leakage in GRACO spray equipment. Its primary function is to act as a backup or secondary seal within the assembly, ensuring reliable operation and reducing maintenance needs.

Key Features:

• Washer, Back-Up
• Provides secondary sealing
• Reduces risk of leaks
• Enhances equipment reliability
• Easy to replace during maintenance

Applications:
Used in GRACO spray equipment assemblies to ensure proper sealing and prevent fluid leakage during operation.

Installation Notes:

• Using genuine GRACO parts ensures optimal fit, performance, and longevity of the equipment.
• Inspect the washer for damage before installation
• Ensure proper alignment during assembly
• Replace washers during routine maintenance to prevent leaks
• Follow GRACO equipment manual for installation procedures
• Use only genuine GRACO replacement parts
• Regularly inspect and replace washers as part of preventive maintenance