JUKI DDL-9000B - HEIGHT AND TILT OF THE FEED DOG; Feed Dog Height and Tilt Adjustment

23. HEIGHT AND TILT OF THE FEED DOG
WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of
the sewing machine.
1
3
6
b
a
4
5
7
2
b
a
A
B
A
B
b
a
9 00 0 B - S, 9 0 00 B -M A :
0.8mm
9000B-SH : 1.2mm
Feed dog at
the time of
delivery
Position of en-
graved marker
dot of feed bar
rocker shaft
B1613012I00
(-
S, -MA)
D1613155W00
(-MA)
23614506
11403003, 11062601
(- S)
(-SH)
(1) Standard value of the height of the feed dog
Standard feed dog height, when it is lifted to the highest from the top surface of the throat plate, :
9000B- S and 9000B-MA : 0.8 mm
9000B-SH : 1.2 mm
Adjust the feed dog height in accordance with processes and materials.
(Caution) Adjust the directions of the engraved marker dot of feed bar driving shaft
1
and the engraved
marker dot of feed bar rocker shaft
3
on the right side (operator side).
(2) Adjusting the height and tilt of the feed dog
1) Loosen setscrew
2
in feed bar driving shaft
1
and setscrew
4
in feed bar rocker shaft
3
.
2) Height and tilt of the feed dog will change by turning both shafts
1
and
3
with a screwdriver.
3) For the relation between the rotating direction of each shaft and tilt of feed bar
6
, refer to the gure
above.
* Standard delivery state : The engraved marker dot of feed bar rocker shaft
3
is adjusted to engraved
marker lines
8
and
9
of the feed dog of each type and the height of feed dog is adjusted with feed bar
driving shaft
1
.
4) After the adjustment, securely tighten the setscrews. (Tighten setscrews
2
and
4
in the state that
shafts
1
and
3
are pushed against the handwheel side.)
(Caution)
1. If the tilt of the feed dog is adjusted with one shaft only, the height of the feed dog changes. Be sure
to adjust it with both shafts.
2. Movement position of the feed dog may be shifted depending on the adjusting position of the shaft.
At this time, loosen setscrew
5
in feed rocker shaft arm
7
and adjust the movement position.
3. The feed dog may interfere with the thread trimmer unit due to the adjustment of height or tilt of the
feed dog. So, be careful.
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