1. 07/31/2017

Maintenance (Clean  the hook)

2. 07/29/2016

Maintenance (Cleaning the thread paths of the upper threads) [ Video ]

3. 07/29/2016

Maintenance (Cleaning the bobbin case) [ Video ]

4. 07/29/2016

Maintenance (Cleaning the thread paths of the upper threads)

5. 07/29/2016

Maintenance (Cleaning the bobbin case)

6. 03/11/2016

Maintenance (Cleaning around the needle plate) [ Video ]

7. 03/11/2016

Maintenance (Clean the hook) [ Video ]

8. 03/26/2012

Maintenance (Cleaning around the needle plate)