Position Of The Needle Bar Wing In Feed Direction - DURKOPP ADLER 767 Service Instructions Manual

3.3.2

Position of the needle bar wing in feed direction

1 2
9
14
Caution: Danger of injury !
Switch off main switch.
Check and adjust position of needle bar wing in feed direction only
when sewing machine is switched off.
Standard checking
At stitch length "0" the needle must stick in the centre of the needle
13
hole of the feed-dog.
–
Set stitch length to "0".
–
Move needle in position "down" by turning the handwheel
–
Check position of the needle in the needle hole of the feed-dog.
Correction
–
Screw off arm cover.
–
Loosen clamping screw 13 at lever 14.
–
13 Twist needle bar wing 9 until the needle is centric above the needle
hole of the feed-dog.
–
Tighten clamping screw 13.
14
Replacing the oscillating crank
When replacing the oscillating crank, the following items must be
observed:
–
The wick 4 leading from the oil sump 3 to the oscillating crank 9
must be fixed between the groove 5 in the cast iron and the spiral
spring 6 of the recirculation wick.
–
The recirculation felt pad 2 must have the position to the plastic
foil 1 shown in the picture.
15
ATTENTION
After replacement of the oscillating crank or when the sideways
position was changed, the clearance of the hook to the needle
is to be checked and corrected, if necessary.
3 4 5 6 9