4.3
Feeding clamp stroke
Caution: Danger of injury !
Switch off the main switch.
Check and adjust the stroke of the feeding clamps only with
the sewing unit switched off.
Standard checking
When the flap clamps 4 are closed, the raised feeding clamps 2 and 3
must pass the machine arm 1 without hitting it.
The distance between the front edges of the raised feeding clamps and
the fabric sliding sheet should amount to approx. 20 mm on the left and
on the right.
In case of class 745-34 A with endless zipper the distance is 17 mm on
the left and on the right.
–
Push the transport carriage under the machine arm.
–
Check the stroke of both feeding clamps.
Correction
–
Loosen counternut 6 at the lift cylinder 5.
–
Turn the piston rod 8 in the actuator 7.
–
Tighten counternut 6 at the lift cylinder 5.
–
Check the stroke of the feeding clamp as to the fabric sliding sheet.
63
4
3
2
1
8
7
6
5
