Thread Tension Gear Attachment - Brother PE770 Service Manual

Main unit
6

Thread tension gear attachment

1. Attach the thread tension gear 1, spring 2 and thread tension gear cover
3 and attach the retaining washer E3.
*Key point
• Attach the spring 2 to the small holes 4 in the thread tension
gear 1 and the thread tension gear cover 3.
• Turn the thread tension gear cover 3 clockwise until the large
holes 5 in the thread tension gear 1 and the thread tension
gear cover 3 are on top of each other, and attach the thread
tension gear assembly.
7
Thread guide attachment
1. Attach the thread guide 1 using the screw 1.
1
8
Plate assembly attachment
1. Attach the plate assembly 1 using the screw 1.
1
Thread tension mechanism
Screw, Bind
M3X4
0.78 — 1.18 N·m
Screw, Bind
M3X4
0.78 — 1.18 N·m
1
5
Torque
1
Torque
2 3
4
Retaining ring E3
1
1
1
3 - 19