Machine Head; Looping Stroke - Duerkopp Adler 975-1-5 Service Instructions Manual

2.

Machine Head

2.1 Looping Stroke

1
2
4
3
The looping stroke is the path of the needle bar from lower dead center
up to the point where the hook point lies at the center of the needle.
Caution Risk of Injury !
Conduct adjustment work and function testing only with greatest
possible caution.
–
Lower the sewing head.
Set the program switch to 44 and press the " STOP " key.
The sewing head is lowered.
–
Turn the needle bar into the lowest position with the handwheel.
–
With the block 2 press the gauge 1 against the needle bar bushing.
–
Tighten screw 3.
–
Pull out the gauge and turn the handwheel in the direction of run
until the block touches the needle bar bushing.
In this position the hook point must be at the center of the needle.
–
Loosen screws 4 and 6.
–
Turn hook 5 on the drive shaft.
–
Tighten screws 4 and 6.
Block Order no. : 981 150002
Gauge Order no. : 981 150003
4
5
6