Arm Shaft Positioning - Duerkopp Adler 910 Service Instructions Manual

2.3 Arm shaft positioning

4
3
2
6
8
7
6
5
Caution: danger of injury!
Turn off the main switch.
Check and adjust position of the arm shaft only when the sewing
unit is switched off.
Note and control
The arm shaft 1 should have no axial backlash, but it must not move
too sluggishly.
Check the arm shaft with regard to axial backlash and sluggishness.
Adjustment
–
Loosen screws at the bobbin winder wheel 3.
–
Loosen screws at the adjusting ring 4.
–
Loosen screws at eccentric 5.
–
Loosen screws at the bevel gear 6.
–
Loosen screw at the adjusting ring 7.
–
Loosen screws at the thread trimmer cam 9.
–
Loosen screws at the motor clutch10.
–
Push arm shaft crank 2 axially to the right as far as it will go.
–
Push adjusting ring 8 against the bearing bush, and tighten screws.
–
Check arm shaft for axial backlash and smooth operation.
–
Push adjusting ring 7 to the right against the bearing bush, and
tighten screws.
9
1
10