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A: 4.5-5.0
8: 6.5-8.0
3. Lower Looper and Needle Fig.14,
15
When the lower looper moves to the
extremely
left. the distance between looper point
and center line
of needle (left
n~edle
if2 needle)is 3.4-3.6mm
for high
lift machine. When the lower
looper moves to the
center line of needle (I eft needle
if 2 needle) the gap
between needle and looper
is 0-0.0Smm.
4. Upper Looper
and Lower Looper Fig.16
When the Upper
and Lower Looper is crossed, the
upper looper is
as near as possible to the lower looper,
the gap A is
O.Smm, the gap B is 0.2mm. When Needle
moves
to the lowest position, the gap between Needle
and
front Needle guard B if0.1-0.2mm.
5. Needle and needle Guard Fig.17
When the Lower Looper point is opposite the
center line of Needle{ left needle if2 needle). The gap
between Needle and rear Needle Guard A is Oram,
When Needle moves to the lowest position, the gap
between Needle and front Needle guard B if
0.15-0.2mm.
6. Chain Looper and needle Fig.18
The Chain Looper must be fixed into the lowest
position
of the holder and when the Chain Looper
Fig.
14
8
0
I
0
~
-
t
Fig.
15
0
moves the extremely
left, the distance between
the looper point and center line of needle is 2.5mm.
0.0
\ r
0.1-0.20
~I
ccdlc
Yl//ZZ '\--:'
.~a
Fig.
16
,.~
A
Fig. 17
2.5
Fig. 18
- 5 -
Fig.
13
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