23 BA_VTD410EV_A2_180706_en
4.6 Setting the material guide
ATTENTION!
Switch off machine electrically and make sure that the
machine is really in standstill position by stepping the
treadle for the motor control.
Otherwise: DANGER of finger bruises and danger of
injuries through the screw driver.
A difference is to be made between the rigid and the height-adjustable material
guides.
The rigid material guides are equipped with a fixed height limit stop and can
only be replaced by another material guide, if necessary (see fig. in the parts
lists - material guide).
The height-adjustable material guide can be adjusted by means of the knurled
nut. Make sure that the looper does not touch it.
4.7 Sewing drive
Machines of series 400 are equipped with modern DC-sewing drives as
standard equipment.
Please note that with these sewing drives quantity of stitches, sense of rotation,
switching time etc. can only be changed by programming.
The quantity of stitches cannot be influenced by changing the V-belt pulley.
Please take the steps to be made for the programming of the sewing drive from
the operation manual enclosed.
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