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8. Maintenance
(1) Machine head maintenance-related matters
1. Waste hook oil
(1) When half a volume of oil is collected
in the oil can located in the
machine bed cover, turn the oil can
and discharge the collected waste
oil.
Inside of the hook
oil cover
(1) Periodically remove cloth chips and
dust accumulated inside the hook oil
cover.
o Raise the sewing machine and
loosen the setscrews (5 positions)
to take out the oil cover .
2. Cleaning of the hook shaft base
o Clean inside of the hook oil cover.
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