3 - 20
Main unit
Upper shaft mechanism
6
Thread unit attachment
1. Lower the presser foot lifter.
2. Turn the T cam, and move the thread releaser assy. to the left side.
3. Attach the thread unit 1 to the needle-presser module using screws 1
(two).
*Key point
• Align the hole 2 in the thread releaser assy. and thread
release plate D 3.
4. Attach the presser plate spring 4 to the cassette guide plate 5 using screw
2.
5. Attach the cassette guide plate 5 to the needle-presser module using screw
3.
6. Attach the cassette release button 6 to the cassette hold plate 7.
7. Move the presser foot lifter up and down, and check the opening and
closing of the tension discs.
8. To the shafts and link arm assy. attach spring .
Start movie clip (CD-ROM version only)
1
Torque
1.18 – 0.78 N-m
2
Torque
0.57 – 0.78 N-m
3
Torque
0.57 – 0.78 N-m
S39
7
1
T cam
Thread releaser assy.
32 1
546
32
S39
S39
Taptite, Bind B
M4X10
Color; Gold
Screw, Bind
M3X4
Color; Silver
Taptite, Bind B
M3X6
Color; Gold
GROUND SPRING
XC5348***
16
3
3.5
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