For technicians: Nut is supplied as part 16-0765-01 for replacement during troubleshooting. Use the part number as the primary identifier when ordering. Stripped or missing hardware often leads to recurring loosening and noise. Stripped or missing hardware often leads to recurring loosening and noise. Symptoms often show up as loose parts and may progress to misalignment. Confirm the symptom first, then inspect the part location for wear, corrosion, cracks, or looseness. If the issue is intermittent, look for vibration-related wear marks and connectors that shift under load. Once the underlying cause is addressed, repeat movement complaints usually reduce or disappear. Disconnect power before service and document the original routing or hardware positions with a quick photo. Disconnect power before service and document the original routing or hardware positions with a quick photo. A correct-fit part improves reliability and prevents small issues from becoming bigger failures. Verify any model compatibility notes shown on the product page before completing the order. Keep the removed part until final testing is complete so you can compare fitment if needed. If the machine was down for a while, take the opportunity to clean the area around the repair. Verify any model compatibility notes shown on the product page before completing the order. Keep the removed part until final testing is complete so you can compare fitment if needed. If the machine was down for a while, take the opportunity to clean the area around the repair. Verify any model compatibility notes shown on the product page before completing the order. Keep the removed part until final testing is complete so you can compare fitment if needed. If the machine was down for a while, take the opportunity to clean the area around the repair.