Brother MD-741B, Руководство по обслуживанию

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S-7200B
6. ADJUSTMENTS
28
6-6. Adjusting of the feed dog height
The standard height of the feed dog (1) when it is at its
maximum height above the top of the needle plate is 0.8 mm
for -[][]S / [][]3 specifications, and 1.2 mm for -[][]5 specifica-
tions.
1. Turn the pulley until the feed dog (1) rises to the highest
position.
2. Tilt back the machine head.
3. Loosen the screw (2).
4. Turn the feed lifting rock bracket stud (3) within a range of
90° from the reference line (4) to adjust the vertical height
of the feed bar (5). (Fig. [A])
5. Tighten the screw (2).
* If you are worried about the angle of the feed dog (1), turn
the shaft (6) while carrying out the above adjustment. (Fig.
[B])
(Refer to “6-7. Adjusting the feed dog angle” on the next
page for details of this operation.)
2279M
<-[][]S / [][]3>
0.8mm
<-[][]5>
1.2mm
Becomes
higher
Becomes
lower
3696M
Standard
Becomes lower
Becomes higher
2281M
2282M
Standard
Becomes lower
Becomes higher
Standard
Becomes lower
Becomes higher
Needle plate