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3. Installation and setting SC-921
(1) Installing the SC-921 on the table ( Table-mount type )
* The instructions apply to the case the control box is installed on the table of the MF-7900(D).
To use any other machine head, install the control box on the table referring to the Instruction Manual for the
main body of the relevant sewing machine.
Fig. A
Convex
washer
Spring
washer Hexagonal nut
Install control box ❷ on the table with mounting bolt asm. ❶ supplied with the unit.
1)
At this time, insert the nuts and washers supplied with the unit as illustrated in Figure A so that the support
plates and the control box ❷ are securely fixed.
Install the control box ❷ (or the one equipped with a small sized motor unit) on the table. Then, install the
2)
sewing machine head on the table. (Refer to the Instruction Manual for the sewing machine.)
Install the mounting plate on the CP-18 panel ❺ with four tapping screws ❹ supplied with the unit.
3)
At this time, take care not to allow the cable to be caught under the mounting bracket.
(Install the CP-18 on the table as illustrated in Fig. B.)
Install CP-18 panel ❺ on the table with wood screw ❻ .
4)
(2) Installing the SC-921 on the table ( Semi-submerged type )
❽
❶
❷
❶
❼
❾
❷
– 3 –
❻
❺
❻
Install right and left support plates ❼ and two
1)
rubber seats ❽ of the respective support plates.
Install control box mounting plate ❾ on the
2)
control box with four screws .
3)
Install the parts assembled in Step 2) on the
underside of support plates ❼ with four screws
.
Install support plates ❼ and the control box
4)
❷ on the table with mounting bolts asm. ❶
supplied with the unit. At this time, insert the
nuts and washers supplied with the unit as
illustrated in Figure A so that the support plates
and the control box ❷ are securely fixed.
* The steps of procedure from the next one and
beyond are same with those for the table-fixed
type machine head.
❶
Fig. B
❹
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