Brother DB2-DD7100, Service Manual

Page: 47 / 153

6. ASSEMBLY
SL-710A
40
6-9. Feed rocker shaft
1. Place the washer (2) onto the feed rocker shaft (1),
and then insert the feed rocker shaft (1) into the arm.
* Insert the feed rocker shaft (1) so that the screw
stop (A) of the feed rocker shaft (1) is facing upward
and the oil tube hole (B) is facing downward.
2. When the feed rocker shaft (1) is in the position shown
in the illustration, place the collar (3) onto it, and then
push the feed rocker shaft (1) in further.
* Tap a wedge or similar into the feed rocker arm (4)
so that the feed rocker shaft (1) can pass through.
3. Align the screw stop (A) on the feed rocker shaft (1)
with the rear set screw (5) relative to the pulley turning
direction, and then secure the collar (3) by tightening
the two set screws (5).
* Check that the feed rocker shaft (1) moves
smoothly with no play.
4. Remove the wedge, and then tighten the screw (6) of
the feed rocker arm (4).
* Check that the feed regulator (7) moves easily.
5. Insert the rubber cap (8) into the hole in the right side
of the gear box.
6-10. Spring
1. Insert the eccentric pin (1) into the connecting rod (2)
and the stud arm (3) so that the mark is facing in the
opposite direction to the motor (toward the bottom).
2. Tighten the set screw (4).
3. Loosen the bolt (5), and then remove the cover stud
(6).
4. Install the spring (7) to the stud arm (3) and stud (9) so
that it faces as shown in the illustration.
5. Install the cover stud (6) with the bolt (5).
1747M
(4)
(2)
(1)
Mark
(7)
(9)
(6)
(5)
(3)
1746M
1744M
1745M
(3)
(4)
(2)
(1)
(5)
(1)
(3)
(4)
(6)
(8)
(7)
(5)
(A)
(B)
<DD7100>
<DD7100A>
<710A>