The GRACO 108859 is a shoulder screw, typically used as a fastening component in various GRACO spray equipment assemblies. Its material is not specified in available documentation, but shoulder screws are generally made from hardened steel for strength and durability. This part is intended to securely fasten and align components within GRACO equipment, such as the GMAX II 3900, 5900, and 7900 series, as well as TexSpray models[2][3][5].

Key Features:

• Shoulder screw
• GMAX II 3900, 5900, 7900, TexSpray 5900HD/7900HD, and other GRACO equipment as referenced in parts manuals[2][3][5]
• Provides secure fastening and alignment
• Designed for reliability in demanding spray equipment environments
• Ease of maintenance (standard screw design for straightforward replacement)

Applications:
Used as a fastening component in GRACO spray equipment, particularly in the assembly of drive housings, bearing housings, and other critical mechanical assemblies within the GMAX II and TexSpray series[2][3][5].

Installation Notes:

• Using genuine GRACO parts ensures proper fit, function, and safety of the equipment. Non-genuine parts may compromise performance and void warranties.
• Refer to the specific equipment manual for detailed installation instructions
• Ensure proper torque and alignment during installation
• Inspect for wear or damage before installation and replace if necessary
• Use appropriate tools to avoid damaging the screw or mating components
• Regularly inspect for loosening or wear
• Replace if damaged or during routine maintenance intervals
• Keep threads clean and free of debris