Instruction manual

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5.3 CLEANING THE FILTER AND PUMP NET
-To use the sewing machine for an extended period of
time, clean filter 1 and pump net 2periodically twice
or three times a year. If the filter and pump net are
clogged with dusts, the machine components may be
seized or womout extraordinarily. So,carefully check
the filter and pump net.
-If the lubricating oil in themachine is stained,
the oil also at the time of cleaning.
change
5.4 MOTOR PULLEY AND V BELT
Use a clutch motor of 1/2 HP (400W).
Use an M type or a DIN 2215 standard V belt.
Relations among number of revolutions of sewing machine, motor pulley, and length of V belt are as
shown in the aforementioned table.
Effective diameter of the handwheel of sewing machine head is 50.6 mm.
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