Pfaff Industrial 3307-1 Series, Instruction Manual, Page: 101 / 130

Adjustment
101
Fig. 13 - 34
●
Switch on the machine and connect it to the pneumatic power supply.
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Place the workpiece in position and start the sewing operation.
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Interrupt the sewing operation and bring the needle bar to its b.d.c. by turning the
balance wheel.
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Adjust the thread regulator 1 (screws 2 ) in accordance with the requirement.
●
Switch off the machine and disconnect it from the pneumatic power supply.
103-002
1
2
Requirement
When the needle bar is at its b.d.c., the slack needle thread should have been used.
13
.36
Adjusting the thread regulator