Strobel VEB 200-1, Инструкции механика

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MA_VEB200-1-2_A2_181015_en
3.3
The loop stroke is the needle’s way from its right cusp point to the point where
the point of the large looper finger is placed above needle center.
Loop stroke (Fig. 6)
3.3.1 Setting the loop stroke (Fig. 7)
A T T E N T I O N !
Switch off machine electrically!
At factory the loop stroke is set to 2.8 mm (Fig. 6).
Adjustment:
-
Screw out universal joint : smaller loop stroke
- Screw in universal joint : larger loop stroke
Thread pitch = 0.5 mm per turn.
Proceed as follows to turn the looper shaft:
1. Release screw (3) and push looper (10) to the front.
2. Release nut (4) on the looper shaft.
3. Release screws (5) in connecting rod head (6).
4. Loosen set collar (7) and pull out looper shaft and connecting rod head (6)
from universal joint (8).
Do not release bolt (9)!
The loop stroke is determined by means of a special gauge or calliper gauge.