The GRACO 15F855 is a precision-engineered pump pin designed for use in GRACO airless line striping equipment, specifically the LineLazer V 3900 series. It is typically constructed from durable metal and serves as a critical internal component within the pump assembly, ensuring proper mechanical function and reliability.

Key Features:

• Pump pin
• 15F855
• GRACO LineLazer V 3900 airless line striper
• Precision dimensions: 1.2125" (30.80mm) long x 5/16" diameter
• 45° bevel on both ends, 1/16" deep
• Engineered for reliable operation and ease of maintenance

Applications:
Used as an internal component in GRACO LineLazer V 3900 airless line striping equipment, supporting the pump mechanism for consistent paint or marking material delivery.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, longevity, and safety of the equipment.
• Ensure the pump is disassembled according to the manufacturer’s instructions before replacing the pin.
• Align the pin correctly within the pump assembly to avoid misalignment or damage.
• Refer to the equipment manual for specific torque and assembly guidelines.
• Regularly inspect the pin and surrounding components for wear or damage.
• Replace the pin as part of scheduled maintenance or if signs of wear are detected.
• Use only genuine GRACO replacement parts for repairs.