Adjusting The Thread Regulator - Pfaff 3307-1 SERIES Instruction Manual

13

Adjusting the thread regulator

.35
Requirement
When the needle bar is at its b.d.c., the slack needle thread should have been used.
Fig. 13 - 33
● Switch on the machine and connect it to the pneumatic power supply.
● Place the workpiece in position and start the sewing operation.
● Interrupt the sewing operation and bring the needle bar to its b.d.c. by turning the balance
wheel.
● Adjust the thread regulator 1 (screws 2) in accordance with the requirement.
● Switch off the machine and disconnect it from the pneumatic power supply.
1
Adjustment
2
13 - 35