Brother BE-438B, Service Manual

Page: 66 / 198

4. ASSEMBLY
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. Thread wiper mechanism
KE-430B, 430C series 59
After installing the thread wiper, moved the forked
part of the thread wiper driving lever and check
that the thread wiper unit moves smoothly.
Solenoid specifications
Note:
If the thread wiper unit does not move smoothly,
error E-60 may be displayed.
3339Q
Adjust while referring to “5-17. Adjusting the
thread wiper”.
Tighten the set screw while lightly
pressing the work clamp lever lifter
shaft.
1. Thread wiper rod assy
[Insert from above]
2. Thread wiper driving lever
3. Thread wiper shaft (with washer and
retaining ring)
4. Set screw
3341Q
5. Thread wiper rod assy
[Place onto the work clamp lever lifter
shaft]
6. Retaining ring
7. Work clamp lever lifter shaft
8. Set screw
9. Tension release lever spring
10. Retaining ring
11. Thread wiper arm assy
12. Retaining ring
13. Set screw [Temporarily tighten]
14. Thread wiper
15. Plain washer
16. Screw
17. Tension release stud
Adjust the thread take-up spring height while
referring to “1-2. Standard thread tension”.
18. Tension release pin
19. Thread tension assy
20. Set screw