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Adjustment Procedure Results of Improper Adjustment
1. Apply appropriate grease to the roller (arm’s vertical sliding section)
of the needle bar connecting section.
2. Apply appropriate grease to the intermediate presser bar connection
and arm’s sliding groove section.
[DDL-9000B-SS, SH only]
3. Confirm that the needle bar keeps an exact contact with the oil
wick in the position 5mm below the needle bar upper bushing .
If there is no contact, correct it by means of the oil wick support
plate .
(Cautions) Apply a piece of paper to the oil wick and confirm
whether it is wet with oil.
o Grease is not required for the
presser bar .
If grease is applied, contamination
like black ink is caused by the
presser bar bushing and the
material cloth may be stained.
o This can be a cause of seizure
between the needle bar and the
needle bar upper bushing .
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