6-10. Intermittent presser foot lifter mechanism (2); 6-10. Intermittent presser foot lifter mechanism (2) ; 6. ASSEMBLY- Page 86

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. 

At 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 flat

while lightly pressing the link shaft.