22.2 Initial position
Caution: Danger of injury !
Exercise utmost caution when making adjustments with the machine
running.
Standard checking
In the two positions (fig. A and fig. B) of the short-trimmer the knife 1
must not be visible in the needle hole 2 and the distance between
throat plate 3 and block 4 must amount to approx. 5 mm.
Block 4 and knife holder 5 must not touch the throat plate 3 in any
position of knife 1.
–
Switch the machine on.
The short-trimmer is in the initial position
(fig. A).
–
Check the knife position in the throat plate.
Knife 1 must not be visible in the needle hole 2.
–
Check the distance between knife holder 5 and throat plate 3
(fig. A).
–
Check the dimension 5 mm between block 4 and throat plate 3.
–
Press key "F".
–
Enter code "2548".
–
Press key "OK".
The control switches to the technician mode.
–
Select the menu item "Test functions" with key "ò ".
–
Press key "OK".
The control switches to the menu item.
–
Select menu item "Multitest".
–
Press key "OK".
–
Select menu item "Output test".
–
Press key "OK".
–
Select output "Y00".
–
Press key "OK".
The short-trimmer and the needle thread trimmer are engaged
simultaneously.
–
Check the knife position in the throat plate.
Knife 1 must not be visible in the needle hole 2.
–
Check the distance between block 4 and throat plate (fig. B)
Correction
Dimension 5 mm between block and throat plate (fig. A)
–
Loosen screw 6.
–
Remove throat plate 3 and suction device 7.
–
Set the dimension 5 mm by turning the block 4.
Attention!
The thread has to be secured against loosening using
a securing compound.
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