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BEFORE OPERATION
•
Before you put the machine into operation for the rst time after the set-up, clean it thoroughly .
Remove all dust gathering during transportation and oil it well.
• Conrm that voltage has been correctly set.
Conrm that the power plug has been properly connected to the power supply.
• Never use the machine in the state where the voltage type is different from the designated one.
• The direction of normal rotation of the machine is counterclockwise as observed from the
pulley side.
Take care not to allow the machine to rotate in the reverse direction.
• Never operate the machine unless the machine head and the oil tank have been lled with oil.
• For a test run, remove the bobbin and the needle thread.
•
For the rst month, decrease the sewing speed and run the sewing machine at a speed of 2,000 sti/
min or less.
• When carrying the machine, do not hold it by the synchronizer located at the rear of the
handwheel.
• Operate the handwheel after the machine has totally stopped.
• Observe the standard thread trimming speed, 185 sti/min.
CAUTION :
Check the following so as to prevent maloperation of and damage to the machine.
– 15 –
Note No. Part No. Part Name Q'ty Remarks
20 MAQ09210000 Feed bar block 1
21 MAQ09211000 Feed bar block hinge stud 1
*
MAQ09411000 Feed bar block hinge stud 1
22 MAQ09209000 Feed 1 For attaching a narrow tape
MAQ09309000 Feed 1 For attaching a broad tape
*
MAQ09409000 Feed 1 For attaching a narrow tape
*
MAQ09509000 Feed 1 For attaching a broad tape
23 MAQ09202000 Bed top cover 1
*
MAQ09402000 Bed top cover 1
24 MAQ09204000 Binder setscrew 2 11/64 threads 40
25 MAQ09205000 Binder lock nut 2 11/64 threads 40
26 MAQ09206000 Tape guide 1
27 SS7110510SP Tape guide setscrew 1 11/64 threads 40, L=5
28 MAQ09203000 Bed top cover spring 1
29 MAQ09201000 Throat plate 1
*
MAQ09401000 Throat plate 1
30 SS2110930SP Throat plate setscrew 2 11/64 threads 40, L=8.5
31 MAQ092080A0 Presser foot (asm.) 1 For attaching a narrow tape
MAQ093080A0 Presser foot (asm.) 1 For attaching a broad tape
32 MAQ09207000 Walking foot 1 For attaching a narrow tape
MAQ09307000 Walking foot 1 For attaching a broad tape
List of parts to be replaced
2. Installation process
1) Install feed bar block
on feed bar rocker
arm
.
2) Install feed bar block hinge stud
on feed
bar
.
3) Temporarily install feed
on feed bar
.
4) Install feed bar
on which feed bar block
hinge stud
and feed
have been mount-
ed.
5) Install spring support shaft
.
6) Tighten feed
so that the needle locates in
the center of needle hole.
7) Screw binder setscrew
into bed top cover
.At this time,install binder setscrew
after applying adhesive to it.
8) Screw binder lock nut
into binder setscrew
.
9) Install tape guide
on bed top cover
by
tape guide setscrew
.
10) After performing 7), 8) and 9), install bed top
cover
.
11) After installing bed top cover spring
and
feed bar hinge stud cap
❾
,tighten feed bar
hinge stud cap screw
❻
.
12) Install throat plate
and x it by throat set-
screw
.
13) Install presser foot (asm.)
and walking
foot
.
(Caution) The parts attached with an asterisk(*) are the exclusive parts for the DSC-245-4 or 7.
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