Techsew 4800

Techsew 4800 Assembly Guide:

Techsew 4800 Startup / Instructional Guide:

Techsew 4800 Lubrication, Oiling and Grease Points:

How to Wind the Bobbin:

How to Insert the Bobbin:

Thread Blockage Removal:

Timing Adjustments Tutorial:

Resetting the Safety Clutch:

Installing the Binding Attachment:

Bobbin Winder Adjustments:

Stitch Length Differential Adjustments:

Changing the Needle Bar: