Hook Lubrication - DURKOPP ADLER 867 Service Instructions Manual

3.1

Hook lubrication

1
Caution: Danger of injury !
Turn the main switch off !
Adjust the hook lubrication only with the sewing machine switched off.
Make functional test with utmost caution when the sewing machine is
running.
Standard checking
The necessary oil quantity for the correct lubrication of the hook has
been adjusted by the manufacturer. It has to be altered, only in
exceptional cases.
The required oil quantity depends on the sewing threads to be
processed and on the fabric.
A piece of paper - preferably blotting paper - held below the hook has
to be slightly sprayed with oil when sewing approx. 1 m of sewing
thread and fabric.
Correction
–
Adjust the oil quantity with the regulating screw 1.
Turn the screw counter-clockwise = increase the oil quantity
Turn the screw clockwise = reduce the oil quantity
ATTENTION !
The adjusted oil quantity only changes after a several minutes of
operation.
GB
57