Hold-Down - Duerkopp Adler 975-1-5 Service Instructions Manual

4.13 Hold-down

52
1
2
3
4
5
6
The hold-down 1 is manually swung upward and presses the interior
slides down against the clamps.
At the end of the folding sequence the hold-down is swung into the
base position by a pneumatic cylinder.
Caution Risk of Injury !
Turn the main switch off.
Set the hold-down only with the sewing unit turned off.
Conduct a function test with the greatest possible caution.
Setting the position
–
Set the dial for setting the material thickness to 1.
–
Loosen screws 3.
–
Set the position of the hold-down by relocating the stop 4.
There should be a clearance of 2 to 3 mm between the casing of
the hold-down and the side slides .
–
Tighten screws 3 again.
Setting the speed
–
Set the program switch to 41 and press the " STOP " key.
With the " REPEAT " key run through the function sequence in
interval operation.
–
Observe the movement of the hold-down.
The hold-down should move quickly but not with a jerk.
–
Set the movement with the throttle 2.
Setting the limit switch
–
Loosen the screws.
–
Relocate switches 5 and 6.
The switches 5 and 6 ( b23 and b24 or b27 and b28 ) must be
triggered in both end positions of the hold-down.
–
Tighten the screws again