Needle Bar And Thread Take-Up Mechanism - Brother S-7300A Service Manual

6-8. Needle bar and thread take-up mechanism

■Refer to "7-8. Adjusting the thread take-up
amount" when carrying out assembly.
■
Refer to "7-6. Adjusting the
needle bar height" when
carrying out assembly.
1. Washer
2. Thread take-up lever assembly
3. Needle bar crank
4. Set screw (Align with screw stop)
5. Set screws [2 pcs] (Tighten)
6. Needle bar bush U
7. Needle bar guide slide block
Turn the machine pulley back and forth 2 or 3 times
by approximately 90° each time to move the thread
take-up lever assembly (2) to the proper position.
In this position, tighten the set screws (11).
1155D
8. Needle bar clamp
9. Needle bar
10. Screw (Tighten)
11. Set screws [2 pcs] (Align with screw stop)
12. Rubber cap
13. Rubber cap
14. Rubber cap
S-7300A
6. ASSEMBLY
1157D
1156D
86