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10. Position of the thread trimmer cam
❼
❼
❽
❽
❼
❼
❻
❺
❷
❷
❸
❸
❾
❶
❹
❹
0.1 to 0.2
ｍｍ
[Position of the thread trimmer cam]
1) Let the sewing machine fall down.
2) Set the thread trimmer solenoid to initial position.
3) Loosen three setscrews
❼
of the thread trimmer solenoid mounting plate. Adjust the thread trimmer solenoid
mounting plate
❽
so that the clearance between the thread trimmer cam roller
❷
and the dwell section of
thread trimmer cam
❸
is 0.1 to 0.2 mm in the state that the moving knife driving arm link
❺
is in contact with
the roller
❻
. Then tighten three setscrews
❼
of the thread trimmer solenoid mounting plate.
4) Raise the sewing machine.
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the following
work after turning the power off and ascertaining that the motor is at rest.
Close contact
Check that the end face of thread trimmer cam
❸
comes in close contact with the end face of collar
❹
.
Fix the lower shaft set collar
❾
in a position so that the end face of lower shaft set collar
❾
is almost
aligned with the end face of lower shaft
❶
.
