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D. Replacement of Upper Feed Plate being used for cushion sewing material like bed(Option)
a) This machine, unless there is separate order, is shipped with average 36mm of rise for the upper
feed plate. For the sewing materials that cushioned materials are used such as bed/sofa, specification
is prepared that increased grade of rise up to 70 mm for easy insertion of the working material.
b) Upon separate order at the moment of machine order, it is shipped with the specification that the
upper feed plate is raised up to 70 mm and in case of requesting replacement while using the basic
type, you can replace as shown in the figure.
(Make separate order by referring to page 43 in Parts Book.)
c) As the [Figure A], disassemble shaft③ connecting upper clamp link A① and upper clamp link B②
and remove them.
d) Unfasten 3 screw⑤ that fixed upper clamp bracket④ and remove upper clamp bracket④, and
unscrew 2 nuts⑦ that fixed cylinder knuckle ⑥ and remove the cylinder knuckle ⑥.
e) As shown in [Figure B], replacing with cylinder knuckle⑧ and upper clamp bracket⑨, assembly of
the specification with 70mm of rise for upper feed plate is completed.
①
② ③
⑥ ⑦
14) How to Adjust Upper Thread Holding
Device
A. Please check if pin cylinder knuckle ① of upper
thread holder is located in the center of the
upper thread path.
B. If the knuckle ① is not located in the center of
the upper thread path, unscrew 2 fixing screw
③ of bracket ② and adjust to locate at the
center and then fasten the fixing screw ③
tightly.
C. Standard distance between end of knuckle ①
and arm ④ is 4.3mm.
D. In order to adjust this, unscrew 2 nuts ⑥ of
pin cylinder ⑤ and after adjusting the front and
rear distance, fasten nut ⑥ tightly.
24
④
⑤
①
③
②
[ Fig. A ]
⑨
⑧
①
②
④
[ Fig. B ]
③
⑤
⑥
①
4.3mm
[ Fig. 29 ]
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