1. 07/29/2016

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

2. 07/29/2016

Maintenance (Cleaning the bobbin case) [ Video ]

3. 03/11/2016

Maintenance (Oiling the machine) [ Video ]

4. 03/11/2016

Maintenance (Cleaning around the needle plate) [ Video ]

5. 03/11/2016

Maintenance (Clean the hook) [ Video ]