5.
DISASSEMBLY
5-4. Upper shaft mechanism
Be careful not to drop the needle
bearing.
1.
Screw (Loosen]
2.
Set screw (Loosen]
3.
Thread take-up crank
4.
Screws [3
pes:
loosen]
5.
Crank cover
6.
Bolts
[2
pes]
7.
Crank rod {Upper part)
8.
Needle bearing
9
9.
Crank rod
{lower
part) (Lower downward]
10. Rubber cap
11.
Set screws [2
pes:
loosen]
12. Set screws [2
pes:
loosen]
34
KE-4300, BE-4380
If
the motor assembly cannot be removed,
insert
bolts into these two tapping holes
and gradually tighten them
to
remove the
motor assembly.
4520Q
13. Set screws
[2
pes:
loosen]
14. Set screws
[2
pes:
loosen]
15. Set screws
[2
pes:
loosen]
16. Set screws
[2
pes:
loosen]
17. Screws with washers
[3
pes:
loosen]
18. Pulley
19. Bolts
[4
pes:
loosen]
20. Motor assy
21. Thread trimmer cam
22. Joint assy
23.Uppershaft
24. Bobbin winder driving wheel