6-2. Intermittent presser foot lifter mechanism (1); 6-3. Tension release mechanism; 6-2. Intermittent presser foot lifter mechanism (1) - Page 67

6. ASSEMBLY

BAS-311G, BAS-326G

60

6-2. Intermittent presser foot lifter mechanism (1) 

6-3. Tension release mechanism 

1. Tension release bar

2. Retaining ring, E 

3. Plain washer 

4. Spring 

5. Tension release solenoid 

6. Solenoid setting plate 

7. Solenoid cushion 

8. Plain washer 

9. Nut 

10. Bolt 

11. Plain washers [2 pcs] 

12. Spring washers [2 pcs] 

13. Bolts [2 pcs] 

14. Solenoid cover 

15. O rings [2 pcs] 

16. Shoulder screws [2 pcs] 

17. Tension release pin 

18. Tension bracket 

19. Set screw 

5139Q

Adjust the thread take-up spring

height while referring to “7-2. Standard

thread tension”. 

Adjust while referring to “7-18. Adjusting

the tension release amount”. 

1.  Stepping clamp lifter (Insert from the front) 

2.  Stepping clamp lifter shaft 

3. Set screw 

4. Flat screw 

Screw the stepping clamp lifter rod in as far as

it will go, then turn it back 3 times. 

5137Q

Place the oil tube into

the groove. 

Tighten the set screw on the screw flat while

lightly pressing the stepping clamp lifter shaft.

<Stepping clamp lifter rod adjustment>

5138Q