Care and maintenance
11 - 3
11.03 Adjusting the lubrication
11.03.01 Lubricating the needle head parts
● The needle head parts should be
adequately lubricated without oil dripping
out of the head part.
● The amount of oil for lubricating the head
parts is adjusted by turning screw 1.
11.03.02 Hook lubrication
The following adjustments may
only be carried out by
appropriately trained personnel.
● Remove the needle.
● Dismount the needle plate and bottom
feed dog.
● Place a sheet of paper over the needle
plate cutout and start the machine
running.
● If a thin streak of oil is visible on the
paper after a running time of approx. 10
seconds at top speed, the hook
lubrication is set correctly.
● To adjust the amount of oil, turn
adjustment screw 1.
Fig. 8 - 09
1
79-012
1
+
-
Fig. 11 - 03
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