Tension Mechanism (Other Than Premier Specifications) - Brother S-7300A Service Manual

6-18. Tension mechanism (Other than premier specifications)

1. Needle bar bush D thread guide
2. Thread guide arm
3. Set screw
4. Arm thread guide R
5. Screw
6. Tension release bar
Assemble while referring to "Adjusting the thread take-up spring".
Assemble while referring to "Adjusting the thread tension and tension release
wire".
7. Tension release pin
8. Thread tension bracket assembly
9. Set screw
10. Pre-tension assembly S
11. Set screw
S-7300A
6. ASSEMBLY
Assemble while referring
to "Adjusting the arm
thread guide R".
1219D
104