Toyota ESP9000, Service Manual, Page: 104 / 111

4. REPLACEMENT OF MAIN COPONENTS
4-5. Needle bar reciprocator
［Remove］
(1) Remove two setting screws (a) and the
upper cover. (Fig.1)
(2) Remove set screw (b) and the under
cover. (Fig.1)
(3) Remove two setting screws and the
face plate.
(4) Remove two each setting screws (c)
and the change cover, the relay circuit
board cover, and then disconnect the
connector CN2. (Fig. 2)
(5) Remove the tension base cover.
(Fig.2)
(6) Disconnect the cord from the connector
CN1 and remove the two setting
screws (d) and the sensor arm. (Fig. 3)
(7) Remove the setting screws (e) and the
tension base set. (Fig.3)
(8) Turn DS1-1 on and turn the power on.
(9) Press SET key in the test mode of LCD,
locate the cursor at No.2 and press
SET key.
(10) Select the No.15 of a needle
number by color change key.
(11) Turn the hand wheel until the angle
of LCD displays 107.5°.
(12) Remove two setting screws (f) and
pull out the needle case by holding it
upwards. (Fig.1)
(13) Remove five set screws (g) and the
arm front cover L. (Fig.4)
(14) Loosen the setting screw (h), bring
the connecting rod to the bottom dead
center and pull out upward the needle
bar drive shaft. (Fig.5)
(15) Move the connecting rod to the left
and pull out the needle bar reciprocator.
(Fig.5)
FIG.1
Needle case
FIG.2
FIG.3
FIG.4
Tension base cover
(c)
Change
cover
Relay circuit board cover
(d)
Sensor arm
(e) Tension base set
(g) Arm front cover L
(a)
Upper cover
(f)
(b)
Under cover
Connecting
rod
Needle bar
reciprocator
(h)
Needle bar
drive shaft
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