Operation
4
4.1 Preparing the machine for operation
• Changing the needle
• Threading the needle thread
• Winding the hook thread
• Replacing the hook thread bobbin
• Thread tension
4.2 Switching on the machine
The machine is switched on through the compressed air shut-off valve and
the main switch, which are both located centrally under the sewing mate-
rial support surface.
Fig. 8: Switching on the machine (1)
(1) - Shut-off valve closed
To switch on the machine:
1. Turn the closed shut-off valve (1) clockwise into the vertical position.
The shut-off valve is open (2).
Compressed air flows into the hoses.
Operating Instructions 806N-111/806N-121 - 04.0 - 12/2020
Operation
• Setting the needle thread tension
• Setting the hook thread tension
CAUTION
Risk of injury from moving parts!
Crushing.
NEVER reach into the area of moving parts.
①
(2) - Shut-off valve open
②
23