6.2.5 Checking of set positions
1st position
–
Switch on the network switch.
–
Tr ead the pedal forwards shortly and release. The machine is
stopped in the 1
st
position. (see chapter 6.2.1).
–
Check the angle on the hand wheel scale (225° ± 5°).
2nd position
–
Tr ead the pedal forwards shortly at first and then entirely
backwards with the heel until the machine stops. The machine
stops in the 2
nd
position. (see chapter 6.2.1).
–
Check the angle on the hand wheel scale (55° ± 5° or 35° ± 5°).
6.3 Master reset
By means of the so-called master-reset all changed values are set
back to the preset ones again.
7. Lubrication
Before start, the machine must be lubricated properly with oil
according to chapter 11.2 in the first part (operating instructions).
8. Sewing test
This test can be carried out only after the machine is set completely.
–
Thread in the bobbin-winder thread (see operating instructions).
–
Turn on the main switch.
–
Lock the sewing foot in the lifted position (see operating
instructions).
–
Fill the bobbin at low speed.
–
Turn off the main switch.
–
Thread in needle thread and bobbin thread (see operating
instructions).
–
Select the material to be sewn.
–
Carry out the sewing test first at low speed and then gradually
increase the speed.
–
Check whether the seams are of the desired quality.
–
If the quality requirements are not met change the thread tensions
(see operating instructions).
25
GB
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