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17. ADJUST 'I'HE POSITION OF
2) Loosen screw (A) of feed lifting rock shaft crank right (See Fig.19, b)
3 ) Move feed bar (B) in the direction shown by the arrow in Fig.19 ( a) to adjust the height of the feed dog.
The standard height offeed dog is that the top of feed dog is 0.8nnn above throat plate surface (B).
4 ) After the adjustment, be sure to tighten screw (A).
A -o�
B--�
FEED DOG (Fig.21, 22)
The standard position of feed dog is that the
clearance between the front end of the throat plate slot
an t e mt toot 1 o Le fully advanced feed dog is 0. 8
nm1, as shown in Fig 21
1) Fully advance the feed clog toward the front end
of the tlu·oat plate slot.
2) Loosen feed rock shall crank screw (A). See
Fig.22 (b)
3) Move feed bar (B) in the direction shown by the
arrow in Fig. 22 (a) to adjust the feed dog
position.
4 ) After the adjustment, be sure lo tighten Screw
(A ).
18.
TIME
FEED
NEEDLE I
JOTION (Fig.23, 24)
V
19
A
b
20
m
��
mm
MOTION
TO
--
8
--
a
A�===-----t
B�=---- _,,,.,,,._,,.,.....,.,.�
W-
C-· · t - -------_j
B
A
H
D
21
22
A
b
♦
C
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