Height Of The Lifted Sewing Feet - Duerkopp Adler 669 Service Instructions Manual

2.11.3

Height of the lifted sewing feet

2
4
30
1
Caution: Risk of injury!
Turn off the main switch.
Check and set the height of the lifted sewing feet only with the sewing
machine switched off.
Standard checking
The pneumatically driven or via knee lever lifted sewing feet 4 are
supposed to have a distance of 20 mm to the throat plate when the
needle bar is in its upper dead center.
The screw 2 limits the path of the lifting lever 3.
–
Lower the sewing feet.
–
Turn the handwheel until the needle bar is in its upper dead center.
–
Lift the sewing feet pneumatically or via knee lever and check the
lifting height.
Correction
–
Loosen the counter nut 1.
–
Twist the stop screw 2 accordingly.
–
Fasten the counter nut 1.
3