Duerkopp Adler 975-1-5 Service Instructions Manual page 20

20
Caution Risk of Injury !
Regulating the lubrication and checking are to be conducted only with
the greatest caution.
Regulating the hook lubrication
The hook can only be lubricated if the oil whizzer disk is in the shell
area of the hook. The hook should be safely lubricated with a smallest
possible amount of oil so that a little oil as possible is consumed.
–
Turn screw 1 completely in and then loosen by approx. 1/8 turn.
–
Let the sewing unit run approx. 2 minutes.
–
Hold a piece of paper under the hook.
–
Let the sewing unit run at intervals and check if sufficient oil is
being spun off onto the paper.
If not, then adjust screw 1 accordingly.
Increase the quantity of oil
Decrease the quantity of oil
= Turn screw 1 to the left
= Turn screw 1 to the right.
1