Brother 431B Sewing Machine User Manual


 
4. ASSEMBLY
-13. Thread trimmer mechanism (2)
KE-430B, 430C series
86
3405Q
3406Q
<KE-484C>
Connecting rod lever
1) Place the thread connecting rod onto the
pin of the connecting rod lever assembly,
and then install the needle plate with flat
screws and screws so that the needle is at
the center of the needle hole.
Connecting rod lever
assy
2) Turn the machine pulley to set the needle to its
lowest position.
3)
Install the thread trimmer solenoid with the
screws so that the gap between the thread
driving lever assembly and the driving lever
stopper is 0.5 mm when the plunger of the
thread trimmer solenoid is pushed all the way
in.
Dr
iving lever
stopper
Plunger
Thread driving
lever assy
3407Q
1. Thread connecting rod
2. Needle plate
3. Flat screws [2 pcs]
4. Screws [2 pcs]
5. Thread trimmer solenoid
3408Q
6.
Screws [2 pcs]
A
fter installing, carry out the steps in “5-19. Adjusting the movable knife”.