Loop Formation Stroke Position And Distance Between Hook And Needle - DURKOPP ADLER 540 - 100 Operating Instructions Manual

6.4 Loop formation stroke position and distance between hook and needle

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Standard :
In loop formation stroke position the hook tip should be at the level of
the middle of the needle. The looping stroke amounts to 2 mm ±0.2 mm
up to 4 mm throw width and 2.2 mm ±0.2 mm for a throw width of more
than 4 mm.
In loop formation stroke position the hook tip should be as close to the
needle as possible without touching it.
Setting :
–
Pull out the locking pin 1.
–
Loosen the screws 2.
–
Insert the locking pin 1 in the drill-hole 3.
Thick end for 2.2 mm throw width
Thin end for 2 mm throw width.
–
Turn the needle to the bottom dead centre. The next notch in the
direction of rotation is the looping stroke position.
–
The bolt of the needle bar linkage must be at the right flank of the
slotted hole of the adjusting sheet.
–
Bend the needle protection up so that it does not push the needle
in loop formation stroke position out of the way.
–
Turn the hook according to the instructions.
–
Tighten the screws 2 again. Reinsert the locking pin.
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