Brother KE-430B Service Manual page 64

4. ASSEMBLY
Pneumatic specifications
After installing the lifting
lever, check that it moves
smoothly.
3335Q
3336Q
Tighten the set screw while lightly
pressing the work clamp lever lifter
shaft.
57
Apply grease.
1. Presser bar lifter crank
2. Tension release rod
3. Screw
4. Lifting lever
5. Screw with washer
6. Work clamp lever lifter shaft
7. Tension release lever
8. Collar
9. Retaining ring
10. Set screw
11. Tension release lever spring
KE-430B, 430C series
Install the driving lever push lever
and the tension release lever U to
the driving lever stopper with the
shoulder screw.
Adjust the thread take-up spring height
while referring to "1-2. Standard thread
tension".
12. Retaining ring
13. Tension release rod assy
14. Shoulder screw
15. Driving lever push lever
16. Tension release lever, U
17. Shoulder screw
18. Tension release stud
19. Tension release pin
20. Thread tension assy
21. Set screw
Apply grease.
Driving lever
stopper