15
To insert the process material:
- At the sewing machine, thread the upper thread all the way through to the take-up lever
- Thread the upper thread through the first ceramic eye,
- and then through the measuring rollers (see material path symbol on front side)
It is important to assure that the upper Thread runs smoothly between the measuring
rollers.
- Thread the upper thread through the second ceramic eye,
- and clamp it in the rubber groove of the motor-driven take off Roller.
3.5.2 Measuring the Upper Tension
To measure the process material
:
- Press the ON / OFF button to switch on the motor-driven take off roller.
The tension meter starts measuring.
- The display shows the measured tension values.
You can simultaneously set the desired upper tension at the corresponding setscrew of
the sewing machine.
To remove the process material:
- Press the ON / OFF button to switch off the motor-driven take off roller
.
- Remove the upper thread from the measuring rollers
and cut it off at the take off roller
with a scissors.
Upper Thread
Measuring rollers
Take off Roller
2. ceramic eye
1. ceramic eye
fig. 3.5.2