[AJL] Weft insertion trouble Short pick long pick ④

④ Check the position of the solenoid pin

The solenoid pin may not be in the center of the hole in the length measuring band.
It doesn’t matter if it is slightly off, but if the pin hits the edge of the hole, the length measuring band may be scraped or the pin itself may be scraped.
If the pin itself is scraped, it may not be long enough.
If the length measuring band is scraped, a part of the length measuring band may rise on the contrary, which may be an obstacle when releasing the thread.
If that happens, a long pick or show topic will occur.

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