Toyota ESP9000, Service Manual

Page: 76 / 111

3.ADJUSTMENT
3-3 Standby position of thread
catcher
[Inspection]
(1) Remove the needle plate.
(2) Remove the table set.
(3) Turn the power on and press the
thread trim key to perform the thread
trimming.
(4) The relative positions of the thread
catcher and the thread cutter must be a
clearance of 0 ± 0.5mm. (Fig.1)
(5) At that point, LED must be turned on.
(Fig.2)
[Adjustment]
(1) Loosen four set screws (a) and remove
bed cover A. (Fig.3)
(2) Remove four set screws (b) and remove
the base cover rear L.. (Fig.4)
(3) Remove three set screws (c) and
remove the base cover front L. (Fig.4)
(4) If the LED is not turned on, loosen the
set screw (d) of the thread trimming drive
lever and adjust the clearance between
the lever and stopper to 0.5mm. (Fig.2)
Then perform the thread trimming to
check the standby position of the thread
catcher.
Note: At this time, vertical position of the
thread trimming drive lever must be 0 to
0.1mm from the motor spacer.
(5) If the LED is not turned on and the
clearance between the lever and
stopper is 0.5mm, loosen the set screw
of the drive arm, set the thread catcher
at 0 ± 0.5mm from the thread cutter and
tighten the set screw of the drive arm.
Then perform the thread trimming to
check the standby position of the thread
catcher. (Fig.5)
0
±
0.5mm
FIG.1
FIG.2
FIG.3
LED
(d)
Thread
Trimming
drive lever
0.5mm
Stopper
-26-