Brother DB2-DD7100, Service Manual

Page: 50 / 153

6. ASSEMBLY
SL-710A
43
7. Install the wick holder (8) to the arm with the two
screws (9).
8. Tie together the wick that is coming out from the wick
holder (8) and the wick that is coming out from the
thread take-up support shaft (5).
9. Lift the felt support (10) up slightly.
10. Pull the wick (11) and insert the end under the felt
(12).
11. Run the wick (13) along the inside of the arm and
insert the end under the felt (12).
12. Clamp the felt (12) with the felt support (10).
6-13. Thread tension mechanism
1. Insert the pre-tension assembly (1) into the arm so
that it faces as shown in the illustration, and then
tighten the set screw (2).
2. Insert the tension release stud (3) into the mounting
hole.
3. Insert the pin (5) into the thread tension bracket
assembly (4), then insert it into the mounting hole and
tighten the set screw (6).
4. Install the arm thread guide (7) with the screw (8).
* Tighten the screw (8) so that it comes to about the
center of the arm thread guide (7).
5. Install thread guide D (9) to the groove in needle bar
bush D (10) so that the part that catches the thread
faces toward the front.
6. Install the thread guide (11) to the needle bar, and then
align the needle set screw hole (A) with the needle bar
hole.
(9)
(8)
(13)
(5)
(11)
(12)
(10)
1757M
(11)
(11)
(A)
(10)
(2)
(1)
(7) (8)
(7)
(8)
(4)
(5)
(3)
(6)
(9)
1758M