Loosen The Tension Nut Removal - Brother PR655 Service Manual

Main unit
1

Loosen the tension nut removal

1. Loosen the tension nut 1, and then remove the washer 2, spring
tension disc presser 3, tension disc felt 4, rotary disc assembly 5, and
second tension disc felt 4. (6 locations)
NOTE
• The thread tension washer 6 is inserted between the washer 2
S51
and the spring
2
Tension base bracket removal
1. Remove the 2 screws 1, and then remove the bracket cover from the
tension base bracket.
2. Remove the cord bush (KR51) 1 from the tension base bracket, and then
remove the tension base lead wire assembly 2 from the head PCB
assembly on the tension base.
3. Remove the screw 2, and then remove the head grounding wire.
4. Remove the 4 screws 3, and then remove the tension base bracket.
5. Remove the 2 screws 4, and then remove the bracket cover from the
tension base bracket.
Thread tension unit
only for thread tension A.
2 - 69
,
S51
6
A
3 1
3 4
1
2
S51
3
4
5
4
1
2 3
2 4 3