104 72 49-26 Husqvarna Viking Huskylock 936 35
Fault finding diagram- mechanically
1. Skipped stitches - Lower looper can’t catch the needle thread
Make sure that...
the needle is a SCHMETZ 130/705 H.
the needle is set correctly.
the needle is not bent.
Check or adjust the following settings
A. 2. Clearance between lower looper and needles
B 11. Clearance between needle supports and needle.
C. 3. Setting of the lower looper in relation to the needle.
D. 4. Needle height - setting between needle and lower looper.
E. The point of the llower ooper has been broken - change looper
2. Skipped stitches - the needle can’t catch upper looper thread
Make sure that...
the needle is set correctly.
the needle is not bent.
Check or adjust the following settings
A. 5. Setting between upper looper in relation to the needle.
B. 4. Needle height - setting between needle and lower looper.
C. 6. Timing of upper looper and lower looper.
D. 7. Clearance between upper looper and lower looper.
3. Skipped stitches - Lower looper can’t catch upper looper thread
Make sure that...
the threading is correctly
Check or adjust the following settings
A. 6. Timing of upper looper and lower looper
B. 7. Clearance between upper looper and lower looper.
C. The point of thelower looper has been broken - change looper
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