Setup
Operating Instructions 650-10 - 03.0 - 08/2016132
8.10 Carrying out a test run
Perform a test run when setup is complete.
To perform a test run:
1. Insert the power plug.
2
. Wind on the hook thread ( p. 32).
3. Switch on the machine.
4. Fill the bobbin at medium speed.
5. Switch off the machine.
6. Thread the needle and hook threads ( p. 23) and
( p. 26).
7. Switch on the machine.
8. Position the sewing material.
9. Perform a test run, first at low speed and then at continually
increasing speeds.
10. Check that the seams conform to the desired requirements.
11. If the requirements are not satisfied:
Alter the thread tension ( p. 27) and ( p. 32).
If necessary, also check the settings listed in
the
Service Instructions
and correct them as required.
CAUTION
Risk of injury from sharp parts!
Punctures possible.
Switch off the machine before threading the
n
eedle or hook thread.
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