The GRACO 187707 is a ball guide, typically made from acetal, designed to direct and support the movement of the ball within GRACO diaphragm pumps. It is an essential component for maintaining proper function and preventing leaks in fluid handling systems.

Key Features:

• Ball Guide
• Acetal
• Compatible with select GRACO diaphragm pumps (e.g., Husky™ 307 series)
• High-quality replacement part
• Essential for maintaining equipment reliability
• Easy to replace during routine maintenance

Applications:
Used in GRACO diaphragm pumps for moving, measuring, controlling, dispensing, and applying a wide range of fluids and viscous materials in commercial and industrial settings.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, longevity, and safety of the equipment.
• Disassemble the pump as per the manual, removing the ball, ball guide, and associated o-rings.
• Clean all parts and inspect for wear or damage before reassembly.
• Reassemble the ball checks exactly as shown in the manual to avoid leaks.
• Ensure o-rings are properly seated and all components are aligned before tightening.
• Torque nuts to the specified value (e.g., 50–60 in-lb for Husky™ 307 series).