Oil Circulation - Duerkopp Adler 550-16-23 Service Instructions Manual

10.1 Oil circulation

5
4
1 1
3
2
The oil passes from the oil reservoir 1 to the sump 4, from where the
lubrication points in the arm and sewing-head regions are supplied.
3
The oil thrown off by the crank mechanism passes back to the sump 4
along the wick 3. Excess oil is pumped back under the oil-felt pad 2 by
the pump 5.
Caution: danger of injury
Turn off the main switch.
Work on the lubrication system may only be carried out with the
machine switched off.
CAUTION:
After work on the lubrication system it is essential for the hoses to be
reconnected to the pump the right way round.
S = suction
D = pressure
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