Strobel VEB100-6 2, Mechanic'S Instructions

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MA_VEB100-6_A2_200716_en.doc
3.2 Loop stroke (Fig. 7)
The loop stroke is the needle's way from its right cups to the point where the point of
the large looper finger is placed above needle center.
3.2.1 Setting the loop stroke (Fig. 4 and 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 +0.3 mm (Fig. 7).
Adjustment:
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Screw out universal joint : smaller loop stroke
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Screw in universal joint : larger loop stroke
Thread pitch = 0.5 mm per turn.
Proceed as follows to turn the universal joint shaft (Fig. 4):
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Release screw (1) and push looper (2) to the front.
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Release nut (3) on the looper shaft.
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Release screws (4) in connecting rod head (5).
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Loosen set collar (6) and pull out looper shaft and connecting rod head (5) from
universal joint (7).
Do not release bolt (8)!
The loop stroke is determined by means of a special gauge or caliper gauge.