&.ASSEMBLY
6-7. Upper shaft mechanism
Tighten the set screw so that the screw stop A
on
the
motor shaft is
in
the same phase as the screw stop B
on
the thread trimmer cam.
Tighten the set screw so that the screw stop
C
on
the
upper shaft is at a phase
of
approximately
180
degrees from the screw stop A
on
the motor shaft.
4644Q
4643Q
Apply adhesive (Threebond
1401
or similar) to the
outside
of
the bearing
of
joint assy.
Install the bobbin winder driving
wheel so that it is
in
phase with the
thread take-up crank as shown in
the
illustration and aligned with the
reference
line
on
the upper shaft.
1) Tighten the screw
of
the thread take-up crank
so
that
it
is aligned with the upper shaft hole.
2) While pressing the thread take-up crank
so
that there
is no
play in it, tighten the two set screws (6).
Apply adhesive (Threebond
1401
or similar) to the
thread section
of
the screw.
1.
Uppershaft
2.
Bobbin winder driving wheel
3.
Thread take-up crank
4.
Screw
10. Set
screws
[2
pes]
11. Motor assy
12.
Bolts [4 pes]
13.
Pulley
5.
Set screws [2 pes]
14. Screws with washers
6.
Set screws
[2
pes]
7.
Set screws [2 pes]
8.
Set screws [2 pes]
[3
pes:
Loosen]
15.
Set screws
[2
pes]
16. Thread trimmer cam
9.
Joint assy
17.
Set screws
(2
pes]
18. Rubber cap
Reference line
4725Q
1) Align the index mark D
on
the thread trimmer
cam
and the index mark
Eon
the joint assembly, and then
provisionally tighten the set screw at the index mark
side.
2) After tightening the set screw at the screw stop side,
fully tighten the set screw at the index mark side.
3)
Carry out the adjustments
in
"7-14. Adjusting the
thread trimmer cam position".
Apply the specified grease (GREASE BZL-301) to the
grooves.
4706Q
54
KE-4300, BE-4380
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