Rocker Bolt And Left Lower Shaft Bearing - Duerkopp Adler 550-12-12 Service Instructions Manual

2.3 Rocker Bolt and Left Lower Shaft Bearing

6
1
2
3
4
5
The clearance from the center of the needle to the start of the left
lower shaft bearing should be soll 39.8 mm.
The clearance from the center of the needle to the end of the rocker
bolt should be 38.8 mm.
Caution Risk of Injury !
Turn off main switch before adjusting.
–
Remove the needle plate, thread trimmer, needle guard and hook
with hook holder.
–
Drain the oil from the hook drive housing and remove the hook
drive housing.
–
Place gauge 6 ( Order no. 933 000735 ) on the needle plate
support on the base plate and screw tight.
–
By axially displacing the left lower shaft bearing 7 push it onto the
gauge 6 (dimension 39.8 mm) and screw tight.
–
Remove the housing cover from 1 and the oil pan from 5.
Loosen the cams 3 and 4 and the sprocket 2.
–
By axially displacing rocker bolt 8 push it onto the gauge 6
(dimension 38.8 mm) and screw tight.
–
Tighten cams 3 and 4.
Align the sprocket 2.
If necessary also align the timing belt pulley sideways.
–
Remount the hook drive housing and the other parts removed.
ATTENTION !
When remounting the setting notes in these service instructions
are to be observed.
–
Fill the hook drive housing with ESSO SP- NK 10 oil up to the
upper mark on the viewing glass.
6
7
8