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ffiThread Cutter Timing (B832/B835 with Thread Cutter)
T mark
Red dot
©Thread Cutter Timing
1.
Remove the needles and tilt the head back.
2.
With main lever shaft O depressed, turn the machine pulley in its normal rotating direction uniti it gets hard to turn.
3.
The T mark on the machine pulley scale must be in line with the red dot on the machine head.
(The permissible deviation of the upper and lower shaft timing T mark from the center of the red dot is 2 mm.)
©Upper and Lower Shaft Timing
1. Remove riming belt O-
2.
Turn the machine pulley until upper and lower shaft timing T mark is in line with the red dot.
3.
With main lever shaft O depressed, turn lower belt wheel O in the arrow direction until it gets hard to turn.
4. Keep the machine pulley and lower belt wheel O still, and put timing belt O on.
5.
Recheck the upper and lower shaft timing T mark on the machine pulley.
* Refer to the next page if the lower belt wheel O is improperly adjusted.
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