Clearance Of The Hook Points To The Needles - Duerkopp Adler 745-22 Service Instructions Manual

11.7 Clearance of the Hook Points to the Needles

1
The clearance of the hook points to the needles must be 0.1 mm.
It is precisely set at the factory with setting pin 5 (Order no.
244 001014).
The set clearance makes possible the working with needles with the
needle thickness Nm 90 to Nm 110.
A correction of the clearance of the hook points to the needles is not
required when changing between these needle thicknesses.
After a needle change only the needle guard must be adjusted
(see Chapter 11.8).
The setting of the left hook point is to be made with the needle bar link
swung forward.
The right hook point is set with the needle bar link swung to the back.
2 3 4
Caution Risk of Injury !
Turn the main switch off.
Set the clearance of the hook points to the needle only with the main
switch turned off.
–
The looping stroke and the needle holders must be set as per
Chapter 11.5 and 11.6.
–
Remove the folder and needle plate.
–
Remove the top of the bobbin case 4 with bobbin.
–
Screw the mounting screws 3 of the hook cover 2 out.
–
Remove hook cover 2.
–
Remove the bottom of the bobbin case 1 from the hook.
For this turn the handwheel slightly back and forth.
Attention!
Do not use force to remove the bottom of the bobbin case 1.
5
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