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6. ASSEMBLY
BAS-311G, BAS-326G
79
6-10. Intermittent presser foot lifter mechanism (2)
1. Stepping clamp arm F
2. Stepping clamp arm R
3. Set screws [2 pcs]
4. Bolt
5. Presser bar clamp
6. Presser bar
7. Bolt (Temporarily tighten)
8. Stepping clamp lifter link
9. Washer
10. Link shaft (with retaining ring)
11. Set screw
12. Shoulder screw
13. Screw
14. Shoulder screw
15. Screw
16. Presser bar spring collar
17. Presser bar spring
18. Presser bar spring guide
19. Adjusting screw nut
20. Presser adjusting screw
21. Presser foot
22. Plain washers [2 pcs]
23. Finger guard
24. Screw (Temporarily tighten)
1) With the needle bar lowered approximately 6.5 mm from
its highest position, set the stepping clamp arm F to the
position of the straight line in the illustration.
2) Place a bushing in between stepping clamp arm F and
stepping clamp arm R so that there is no play, and then
tighten the bolt.
A
t the needle bar timing position,
align the index marks of the
stepping clamp cam and the
stepping clamp connecting rod, and
then tighten the set screw.
Install the presser bar spring collar as shown in the
illustration, and then adjust the height of the
presser adjusting screw to 32 mm.
5195Q
5196Q
5197Q
5194Q
Notes on the installation position
(Refer to “7-13. Changing the intermittent stroke”.)
Tighten the set screw on the screw fla
t
while lightly pressing the link shaft.