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8. Maintenance
(1) Machine head maintenance-related matters
1. Waste hook oil
2. Cleaning of the hook shaft base
Inside of the hook
oil cover
– 151 –
(1) When half a volume of oil is collected
in the oil can
machine bed cover, turn the oil can
and discharge the collected waste
oil.
(1) Periodically remove cloth chips and
dust accumulated inside the hook oil
cover.
o
Raise the sewing machine and
loosen the setscrews
to take out the oil cover
o
Clean inside of the hook oil cover.
located in the
(5 positions)
.
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