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MODEL 520
REPLACING THE ZIGZAG WIDTH MOTOR
REPLACING THE ZIGZAG WIDTH MOTOR
TO REMOVE:
1. Remove the front and rear cover (see page 6 and 8).
2. Remove the two zigzag rod setscrews (A).
3. Remove the two setscrews (B) and remove the zigzag width motor.
TO INSTALL:
4. To install the zigzag width motor, follow the above procedure in reverse.
NOTES:
1. The setscrew of zigzag rod should be tightened to 5-7 kg of torque.
2. Check to ensure that the upper shaft sensor mounted on the zigzag width motor does not
interfere with the upper shaft shield plate.
3. Adjust the needle drop position (see page 10).
2 setscrew (A)
Zigzag width setscrew (A)
Setscrew (B)
Setscrew (B)
Zigzag width motor
Zigzag width motor
