F Pulse Motor Phase - Baby Lock Mid-Line Machines Technical Training Manual

Table of Contents

Adjustment

This adjustment must be operated when:

• Feed module is replaced.

• F INIT PCB assy or F pulse motor is replaced or reassembled.

[Standard]

Press the

button on the test mode #31 screen while the needle bar is lowered and the

button) is pressed.

[Adjustment]

1. Start the test mode and select #31 (FPM Initial Phase Check

mode).

2. Lower the needle to the bottom by pushing the

(needle position button).

3. Press the

button while the

button) is pressed.

*Key point

• After the buzzer, the F pulse motor moves and adjust

the phase again automatically.

*Note

• After this adjustment, implement

F pulse motor phase

(presser foot lifter

"4-24 Feed

forward/backward".

Needle position button

Presser foot lifter button

4 - 36

(presser foot lifter

F pulse motor

F INIT PCB assy

Table of Contents

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