The GRACO 189355 Stem, Piston is a replacement part designed for use in GRACO spray gun assemblies. Its material is not explicitly specified in available documentation, but it is engineered for durability and reliable operation within GRACO equipment. The part functions as a critical component in the piston assembly, enabling precise fluid control and actuation in automatic electrostatic air spray guns.

Key Features:

• Stem, Piston
• Fits GRACO PRO Auto Xs Model: 244590 PRO Auto Xs Electrostatic Gun, Series B
• Critical for reliable actuation and fluid control
• Engineered for compatibility with GRACO automatic spray guns
• Designed for easy replacement and maintenance

Applications:
Used in GRACO automatic electrostatic air spray guns for industrial coating applications, including automotive, manufacturing, and other sectors requiring precise and reliable fluid delivery.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, safety, and longevity of the spray gun system. Non-genuine parts may compromise system integrity and safety.
• Always shut off and relieve air pressure before installation or maintenance
• Follow the equipment manual for specific installation procedures
• Inspect the piston stem and surrounding components for wear or damage before installation
• Ensure proper alignment and seating of the piston stem within the assembly
• Regularly inspect the piston stem for signs of wear or damage
• Replace the stem as part of routine maintenance or if performance issues arise
• Keep the assembly clean and free from debris to prevent premature wear