Thread Tension L Assy - Brother SB3734T Service Manual

Disassembly
7

Thread tension L assy

1. Remove the two screws (screw, bind M4x6) to remove the thread tension L assy.
2. Remove the screw (screw, bind M3x4) to remove the washer plain S 4.2, the spacer 3x2.5 and the
thread tension lever from the thread tension base.
3. Remove the spring (XB2471) from the thread tension release and the thread tension base. Remove the
thread tension release from the thread tension base.
*Assembling note
• Fully tighten the screw after performing
Screw, bind M4x6
Screw, bind M3X4
Thread tension base
(Thread tension L assy)
Screw, bind M4x6
Thread tension
release
Spring
(XB2471)
Washer plain S 4.2
Screw, bind M3x4
Thread tension releas
Main frame / Covers / Upper thread guide
"Thread tension release
Thread tension
lever
Spacer 3x2.5
Spring (XB2471)
Fig. 2-10
2 - 12
adjustment".
Thread tension base