Toyota ESP9000, Service Manual

Page: 81 / 111

FIG.1
FIG.2
FIG.3
FIG.4
3-6 Position of the thread wiper
hook
[Inspection]
(1) When the guide pin is pushed down,
the thread wiper hook must catch the
thread. (Fig.1)
(2) Distance A from the needle center to
the thread wiper hook tip must be 11
mm or more during operation. (Fig.2)
(3) Distance B from the right end of the
thread wiper hook to the needle
center must be 1 to 3mm. (Fig.2)
[Adjustment]
(1) If the thread wiper hook does not
catch the thread, loosen four setting
screws (a) to move the thread
presser base in the direction of the
arrow. Position the base where the
guide pin moves smoothly and
tighten four setting screws (a). (Fig.3)
ﾋﾟｯｶｰｿﾚﾉｲﾄﾞ
(2) If distance A from the needle center to
the thread wiper hook tip differs from
that specified, loosen two set screws
(b), adjust by moving the thread wiper
motor base right/left and tighten two
set screws (b). (Fig.3)
(3) If distance B from the needle center to
the thread wiper hook tip differs from
that specified, loosen two set screws
（c）, and adjust by moving the
thread wiper hook base right/left and
tighten two screws (c). (Fig.3)
3.ADJUSTMENT
(a)
(
組
)
Picker solenoid
Needle plate
Bobbin
Picker
-31-