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Adjustment Procedures Results of Improper Adjustment
8) Connecting the left and right rocking arms
(2-needle machine only)
1. Loosen setscrews 1 in the moving knife shaft connectingg
plate.
2. Make rocking arm (right) 2 come in close contact with thread
trimmer stopper 3.
3. Make rocking arm (left) 4 come in close contact with stopper
5.
4. In the state, tighten setscrews 1 in the moving knife shaft
connecting plate.
™ When the respective positions
are not correct, defective thread
trimming occurs.
When there is no clearance
between the thread trimmer
solenoid and the plunger stopper
™ Plunger stopper is broken.
When the clearance between the
thread trimmer solenoid and the
olunger stopper is large
™ The working range of the thread
trimmer solenoid becomes
narrow and machine lock will be
caused.
9) Thread trimmer solenoid
1. Loosen setscrews 1 in the solenoid installing plate.
2. Loosen setscrews 2 in the solenoid connecting arm.
3. Tighten setscrews 1 in the solenoid installing plate at the
position where the shaft of solenoid moves up or down without
resistance.
4. Make follower installing base 3 come in close contact with
thread trimmer driving plate 4.
5. Tighten setscrews 2 in the solenoid connecting arm so that a
clearance of 0.05 to 0.15 mm is provided between plunger
stopper 5 (roll pin) of the thread trimmer solenoid and the
solenoid main body.
(Fot the connecting procedure, refer to "7) Connecting the
rocking arm and the thread trimmer roller arm".
(Check) Turn the handwheel by hand to actuate the thread
trimmer and check that a clearance of 0.05 to 0.15 mm is
provided between stopper 5 of the thread trimmer solenoid
and the solenoid main body when the moving knife returns
to the initial position.
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