The GRACO 21561-00 is a locking nut designed for use with the muffler assembly on GRACO fiberglass chopper equipment. It is typically made from durable metal and is intended to secure the muffler assembly in place, ensuring reliable operation and safety during chopper use.

Key Features:

• Locking Nut
• GRACO fiberglass chopper equipment (e.g., GC-1021D series)
• Secures muffler assembly for safe operation
• Essential for maintaining proper chopper function
• Designed for ease of installation and removal

Applications:
Used in GRACO fiberglass chopper systems to lock the muffler assembly in place, ensuring stable and safe operation during chopping processes.

Installation Notes:

• Using genuine GRACO parts ensures proper fit, function, and safety of the equipment.
• Loosen the appropriate screws to adjust or remove the muffler assembly as needed
• Once the muffler is positioned correctly, tighten the locking nut (21561-00) to secure the assembly
• Refer to the equipment manual for specific torque or tightening instructions
• Regularly inspect the locking nut for wear or damage
• Replace if any signs of loosening or degradation are observed
• Ensure all fasteners are properly tightened before operation