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Adjusting The Feed Dog Angle; Adjusting The Forward/back, Right/left Position Of The Feed Dog - Brother LZ2-B855E Service Manual

Electronic single needle zigzag lock stitcher electronic single needle zigzag lock stitcher with thread trimmer.
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6. ADJUSTMENTS

6-4. Adjusting the feed dog angle

r
w
e
q
Standard
Lower the front
Raise the front
0595M

6-5. Adjusting the forward/back, right/left position of the feed dog

q
X
e
r
6-03
w
(Front)
r
e
(A)
(B)
Y
Y
X
The standard angle for the feed dog q is for the top of the
0594M
needle plate to be parallel with the top of the feed dog q
(for the B855E) or raised slightly at the side closest to the
operator (for the B856E) when the feed dog q is raised to
its highest position above the needle plate. (with the O
mark on the feed bracket shaft w aligned with the mark
on the feed rocker bracket arm e).
1. Turn the machine pulley to move the feed dog q to its
highest position above the needle plate.
2. Loosen the two set screws r.
3. Turn the feed bracket shaft w in the direction of the
arrow within a range of 90° with respect to the stan-
dard position.
Tilting the feed dog q so that the front is lowered
tends to prevent puckering(gathering). (Figure A)
Tilting the feed dog q so that the front is raised
tends to prevent material from slipping (uneven ma-
terial feeding). (Figure B)
4. Securely tighten the set screws r.
* When the angle of the feed dog q is adjusted, the
height and forward/back position of the feed dog q
will also change and will need to be readjusted.
0596M
Adjust the clearances X at the left and right sides of the
1004S
feed dog q and the needle plate so that they are as close
as possible to being equal.
Adjust the clearances Y at the front and rear ends of the
feed dog q and the needle plate so that they are as close
as possible to being equal when the machine pulley is
turned so that the needle plate is at is furthest position
forward and furthest position back.
<Adjusting the left and right clearances X>
Loosen the two screws w of the feed dog q and adjust.
If adjustment is not possible, carry out the following ad-
justment.
<Adjusting the front and back clearances Y and the left
and right clearances X>
Loosen the two screws r of the level feed arm e and
w
adjust.
q
1005S
LZ2-B855E,B856E

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