Duerkopp Adler 745-22 Service Instructions Manual page 62

62
Knife bar drive lever
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Remove the cylinder with swing lever for the thread puller after
loosening the mounting screws.
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Remove the head cover after loosening the mounting screws.
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Move the knife bar drive lever 8 into its lower dead center by
turning the handwheel.
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Loosen clamping screw 7.
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Slide the knife bar drive lever 8 in the axial direction on the shaft 6.
The clearance between the piston rod of the vented operating
cylinder 9 and the knife bar bridge 5 must be 0.5 mm.
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Check the clearance with a feeler gauge.
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Tighten clamping screw 7.
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Loosen nut 2.
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Screw in the engaging cylinder 1 until the piston rod 3 pushes
down the knife bar bridge 5 by 0.5 mm.
Check the dimension with a feeler gauge between the link
frame 10 and knife holder 11.
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Tighten nut 2.
ATTENTION !
For a precise setting push the knife holder 11 up to the collar of the
knife bar.
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Set the knife bar drive lever 8 in its upper dead center by turning
the handwheel.
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Remove the winder cap after loosening the mounting screws.
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Loosen screws 13 of the stroke lever 12.
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Put air into operating cylinder 9 and engaging cylinder 1.
For this set the "Program" switch to "64" (program P64).
Activate the program by pressing the "STOP" key.
Set the "Program" switch to "13" (solenoid valve s13).
Run cylinders 9 and 1 in and out in interval operation by tapping
the " " key.
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The piston rod of the operating cylinder 9 catches in the groove 4.
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Turn the knife bar drive lever 8 slightly on shaft 6.
In the upper dead center of the knife bar drive lever a clearance of
0.5 mm must be present between the knife bar bridge 5 and the
extended piston rod 3.
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Tighten screws 13 and attach the winder cap.
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The piston rod 3 run out during the machine function is released.
A striking of the knife bar bridge 5 during the stroke movement is
impossible.
ATTENTION !
The swing lever for the turning on of the needle bars was also set.
Reset the swing lever (see Chapter 11.2.1).