Adjustment Of Thread Take-Up Spring (Adjustment Of Thread Breakage Shutter) - Brother PE-180D Service Manual

7. ADJUSTMENT OF THREAD TAKE-UP SPRING
(ADJUSTMENT OF THREAD BREAKAGE SHUTTER)
STANDARD
When the thread take-up spring stroke is 8 - 9 mm and test mode 26 is selected, the buzzer should sound when
the thread take-up spring is raised 4 - 5 mm from the down position.
ADJUSTMENT
1. Select test mode 26.
2. Loosen the screw of the thread take-up spring cover.
3. Turn the thread take-up spring cover to adjust the thread take-up spring stroke to 8 - 9 mm.
4. Tighten the screw of the thread take-up spring cover.
5. Loosen the screw of the thread breakage sensor PC board.
6. Lift the thread take-up spring and adjust the sensor PC board so that the buzzer sounds when the thread
take-up spring is raised 4 - 5 mm from its lowest position.
7. Tighten the screw of the thread breakage sensor PC board.
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