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Adjustment Procedures Results of Improper Adjustment
Adjustment Procedures Results of Improper Adjustment
1) How to check the floating amount of the disk of thread tension
controller (asm.)
When checking the receding amount of the moving knife and
the cam timing in (4) Checking and adjusting the receding
position of the moving knife, connector Y (black cord) in the
wiring diagram of pneumatic and electric components is
inserted to the place of Z. However, when the gray connector
located in the center of the wiring diagram is inserted to the
place of Z and the back part of the pedal is depressed, the
rising amount of the disk can be checked.
Check whether the rising amount of the disk is 1.5 to 2.5 mm
(aim : 2 mm).
2) Adjusting the rising amount of the disk of thread tension
controller (asm.)
To adjust the rising amount, remove the oil reservoir, loosen
outer presser setscrew 1, and adjust the protruding amount
(dimension A in the figure) of outer 2 of thread tension release
wire. (Standard of protruding amount of dimension A : 15 to 20
mm)
™ When increasing the rising amount
Decrease the protruding amount of outer 2.
™ When decreasing the rising amount
Increase the protruding amount of outer 2.
1) Positioning of clutch plate 1 and solenoid for thread trimmer
2 should be fixed by loosening and adjust four screws of
magnet stopper 5 where a space (indicated by A) made
between roller arm 3 and knife driving arm 4 comes to stay
in the range of 0.1 to 0.5 mm when a load is provided by hand
to the magnet plunger 7 in the direction an arrow in the figure
indicates.
2) Tighten four setscrews 5 in the thread trimmer magnet.
* Execute the adjustment of thread trimmer magnet 2 in the
state that base plate 6 is removed from the machine frame.
* Reference ... The stroke of the thread trimmer magnet is 4
mm.
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