JUKI DDL-9000C-S Series Engineer's Manual page 35

Adjustment Procedure
4) Cleaning of the oil filter
Clean the oil filter ❶ periodically (approximately once every three
months).
1. Let the sewing machine fall down.
Remove the pipe stop ❶ and then the thread waste attached to
2.
the oil filter ❷.
* Be careful that a lubrication pipe and so on are not damaged at
the time of maintenance of a filter.
Results of Improper Adjustment
◦ If there is clogging in the oil filter
❶, smooth lubrication cannot be
maintained from the lubrication
hole.
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