The GRACO 557494 is a zinc-coated lock nut designed specifically for securing the tie rods in Trabon® MX Divider Valve assemblies. Its primary function is to ensure the structural integrity and proper assembly of the divider valve system, which is used for precise lubrication distribution in industrial machinery.

Key Features:

• Lock Nut
• Trabon MX, Inside Diameter: 0.375 in (9.525 mm), Overall Height: 0.415 in (10.541 mm), Overall Width: 0.5625 in (14.2875 mm)
• Zinc-coated steel, Grade C
• For use with Trabon® MX Divider Valves
• Zinc coating for corrosion resistance
• Lock nut design for secure fastening
• Precision fit for reliable assembly
• Eight required per assembly for full valve security

Applications:
Used in the assembly and maintenance of Trabon® MX Divider Valves, which are critical components in lubrication systems for in-plant machinery and vehicle service applications.

Installation Notes:

• Using genuine GRACO tie rod nuts ensures proper fit, reliable performance, and long-term durability of the divider valve assembly.
• Ensure all tie rod nuts are tightened to the manufacturer’s recommended torque specifications (see equipment manual for exact values)
• Inspect nuts for damage or wear before installation
• Use only the specified number of nuts per assembly (typically eight per valve)
• Regularly check for loosening during routine maintenance