Missing the small wire loop above the needle. The manual highlights this step with a zoomed-in illustration.

Pull the thread through the tension slot of the bobbin case, leaving a 5 cm tail. Tension Adjustments

| Interval | Task | |----------|------| | | Clean lint from rotary hook area, bobbin case, and tension discs. | | Every 40 hours | Oil the hook assembly (one drop). Wipe excess. | | Every 3 months | Check timing belt tension. Clean fan filter on control box. | | Annually | Professional calibration of tension sensors. |

The needle stops at its highest point. This allows for quick removal of the fabric.

One evening, a frantic designer burst in with a wedding gown of the finest gossamer lace that had defeated every other machine in the district. "It’s too delicate," they cried. "The machines keep chewing it."