The GRACO 288091 is a fluid control knob designed to replace the piston cap for precision fluid adjustment in GRACO equipment. It is typically constructed from durable materials suitable for industrial environments, though the specific material is not specified. Its primary function is to enable precise control over fluid flow within lubrication or spray systems.

Key Features:

• Rod
• 2.3 x 2.3 x 4.1 inches
• Designed for use with GRACO equipment requiring precision fluid adjustment
• Replaces piston cap for enhanced fluid control
• Precision adjustment capability
• Compact and robust design for industrial use

Applications:
Used in industrial lubrication and spray systems where precise fluid control is required.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, compatibility, and longevity of equipment.
• Ensure equipment is powered off and depressurized before installation
• Remove existing piston cap and replace with the 288091 fluid control knob
• Check for proper fit and secure attachment
• Test system for leaks and proper function after installation
• Regularly inspect the knob for wear or damage
• Clean the knob and surrounding area to prevent contamination
• Replace the knob if excessive wear or malfunction is detected