Thread Pulling Knife - DURKOPP ADLER 867 Service Instructions Manual

2.14.2 Thread-pulling knife
9
2 1
Caution: Danger of injury !
Turn the main switch off !
Check and set the thread-pulling knife only with the
sewing machine turned off.
Standard checking
In the thread-pulling knife's 1 resting position the distance between the
control cam 5 (highest point) and the roller 7 should be 0,1 mm. At the
same time the control cam has to bear on the circlip 6.
While in resting position the thread-pulling knife 1 should come flush
with the blade of the counter-knife 2.
The thread-pulling knife carrier must not have any end play but should
move freely.
–
Check whether the control cam 5 bears on the circlip 6.
–
Turn the machine until the control cam's 5 highest point is pointing
to the roller 7.
–
Check the distance between the control cam 5 and the roller 7.
Correction
–
Loosen the screws on the control cam 5.
–
Shift the control cam 5 completely to the circlip 6.
–
Tighten the screws on the control cam 5 again.
–
Loosen the lock nut 4.
–
Set a distance of 0,1 mm between the control cam 5 and the
roller 7 by turning screw 3.
–
Tighten the lock nut 4.
–
Loosen screw 8 on the operating lever 9.
–
Twist the thread-pulling knife 1 so that its blade comes flush with
the counter-knife 2.
–
Tighten screw 8.
8
Make sure not to give any end play.
7 4 6 5 3
GB
41