Brother CE-8080PRW, Руководство по обслуживанию

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Adjustment
Adjustment
BH lever switch position
[Adjustment standard]
• BH 0 touches the BH 1 in the state that the clearance between the BH presser foot A and the BH presser foot B is
0.5mm.
• BH 0 does not touch the BH 1 in the state that the clearance between the BH presser foot A and the BH presser foot
B is 1.5mm.
[Adjustment procedure]
1. Start the test mode.
2. Raise the presser lever.
3. Attach the BH presser foot.
4. Turn the pulley by hand and move the needle bar to its lowest position. (down the feed dog lower than the needle
plate A.)
5. Lower the presser lever in the state that the clearance between the BH presser foot A and the BH presser foot B is
0.5mm. (Fig. 1)
6. Lower the BH lever, and set to the BH presser foot.
7. Start the test mode, and select the pattern number “04” (Switch monitor mode).
8. Rotate the BH lever eccentric shaft in a counterclockwise, to adjust the number displayed on the right side of LCD
to “00”.
9. Rotate the BH lever eccentric shaft in a clockwise, to adjust the number displayed on LCD to “08” from “00”.
(Fig. 2)
In case of models equipped with the buzzer, adjust it at the position where the buzzer begins to sound.
*Key point
• When the BH0 touches the BH1, change the number displayed on LCD to “08” from “00”.
• In case of models equipped with the buzzer, when the BH0 touches the BH1, the buzzer begins to sound.
10. When the clearance between the BH presser foot A and the BH presser foot B is 1.5mm, check that the number
displayed on LCD is “00”. (Fig. 3, Fig. 4)
Fig. 1
Fig. 2
Fig. 3
Fig. 4
BH presser foot B
BH presser foot A
BH presser foot B
BH presser foot A
BH lever
eccentric
shaft
BH lever
eccentric
shaft
BH2 BH0 BH1
BH2 BH0 BH1
Contact
0.5mm
1.5mm