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Fig. 58: Lubricating the machine head
(1) - Refill opening
(2) - Maximum level marking
To lubricate the machine head:
1.
Check the oil level indicator at the inspection glass every day.
2.
If the inspection glass lights up red, the machine is not
sufficiently supplied with oil.
3.
If the oil level is below the minimum level marking (3): Pour oil
through the refill opening (1) but no higher than the maximum
level marking (2).
6.2.2
Lubricating the hook
The approved oil quantity for hook lubrication is a factory
specification.
Proper setting
1.
Hold a piece of blotting paper next to the hook.
2.
Allow the machine to run without thread and sewing material
for 10 seconds with the sewing feet lifted and at a high speed.
The blotting paper will show a thin strip of oil when sewing is
complete.
Operating Instructions D669 M-TYPE DELTA - 00.0 - 10/2020
①
②
③
(3) - Minimum level marking
Maintenance
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