Brother PE770 Service Manual page 37

Main unit
4
Thread guide removal
1. Remove the 2 screws 1, and remove the thread guide assy. 1.
2. Remove the screw 2, and remove the thread guide cover 2.
5
Thread guide cover removal
1. Remove the thread guide cover 1.
*Key point
• Lift the protrusion 2 and slide to the right.
6
Tension plate removal
1. Remove retaining ring E2, and remove the spring
2. Remove the screw 1, and remove the tension pressure assy 1 the spring
and the tension release cam 2.
S03
3. Remove the tension plate 3 and the spacer 4.
4. Remove the screw the screw 2.
2 - 20
Thread tension mechanism
.
S02
1 1
2
2
Retaining ring E2
2
1
3
S03
1
2
2
1
S02
4