PR670E / PR670EC
FAQs & Troubleshooting |
Maintenance (Cleaning the thread paths of the upper threads)
If dust or lint has accumulated in the thread guides or tension unit in the paths of the upper threads, the thread may break while embroidery is being sewn. Periodically clean the thread paths
(1) Upper thread guide (2) Middle thread guide |
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(3) Thread guide plate |
(1) Tension dial |
(1) Tension dial (2) Nylon shoulder washer (3) Nylon washer only for tension number 4 (4) Tension spring (5) Tension base spring (6) Felt washer (top) (7) Tension disc (8) Felt washer (bottom) |
Bottom | Top | |
(1) Magnet |
(1) Felt washer (bottom)
(2) Tension disc (3) Felt washer (top) (4) Tension base spring (5) Tension spring
(6) Nylon washer (7) Nylon shoulder washer (8) Tension dial |