Brother DB2-DD7100, Service Manual

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6. ASSEMBLY
SL-710A
34
15. Align the lower set screw (22) and the set screw (7),
then align the lower set screw (22) with the screw stop
of the lower shaft (1) and tighten the set screw (22). At
this time, make sure that the movement of the feed
regulator (13) does not become stiffer.
16. Tighten the upper set screw (22).
17. Insert the rubber cap (23) into the left side of the gear
box.
6-5. Timing belt, motor and pulley
1. Insert the timing belt (1) through the motor mounting
hole, and place it onto timing pulley U (2).
2. Install the flange (3) and the fan (4) to timing pulley U
(2) with the three screws (5).
<For DD7100A, 710A>
This step is not required.
3. First pass the connector (7) of the motor (6) into the
arm, and then insert the motor (6) into the arm as far
as it will go.
4. Align the screw holes (8) in the arm with the screw
holes (9) in the motor, and then secure the motor by
tightening the three screws (10).
* Be careful not to confuse screw holes (9) and (11).
1723M
(1)
(22)
(7)
(13)
(23)
1724M
(3)
(4)
(5)
(2)
(1)
1725M
(8)
(6)
(9)
(11)
(9)
(8) (7)
(10)