4.2.6
Installation
of
thread
trimmer
solenoid
unit
(1) Operation
stroke
of
thread
trimmer
solenoid
®
Standard
operation
stroke
is
6.0
mm.
@
Adjust
the
operation
stroke
by
use
of
the
nut
@.
cam
follower
crank(2)
Driving
lever
6
mm
Solenoid
mounting
bracket
o
© © 0
Fig. 8
(2)
Installation
of
unit
(T)
Install
the
unit
with
the
screws
(B)
and
©
shown
in
Fig. 8.
©
Install
the unit so that
approximately
1
mm
is
provided between
the
driving lever
and
cam follower
crank
(2)
with
the stopper nut (g) incontact
with
the
solenoid.
©
When
the
solenoid
is
energized
under
this
condition,
clearance
of
0.5
mm is provided between
the
cam
follower cranks (1) and (2) as shown in Fig. 9. This
is the standard installation status. Make adjustment
by moving
the
solenoid mounting bracket in
the
arrow
direction
in Fig. 8
Cam
follower
crank
(2)
Cam
follower
crank
(1)
4.2.7
Installation
of
thread
trimmer
cam
(1)
Align
the
second
timing
mark
@ on the
pulley
with
the
matching
mark
on
the
arm.
(2)
Set the thread trimmer solenoid to the operation state and
turn the thread trimmer cam forward. At the point where
the
cam makes contact with
the
roller, fix
the
cam.
(3) When
the
operation
of
thread
trimmer
solenoid has been reset
and
the
cam follower crank (2) has returned,
the
standard
clearance between
the
cam and roller
end
is
0.5
to
1.0
mm.
Thread
trimmer
cam
Thread
trimmer
cam.
Roller
I
J
Fig.
10
10
0.5inm
© © o
Rg.9
Matching
mark
Thread
trimmer
cam
m
0.5
to
1.0
mm
Roller
'~i\
Cam
follower
crank
(w
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