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Adjustment Procedures Results of Improper Adjustment
1. Loosen nut 1.
2. Turn the shaft of cylinder 5 and adjust so that the distance
from the end of shaft of cylinder 5 to cylinder connecting screw
2 should be 7 to 8 mm.
3. Tighten nut 1.
* When installing on the machine arm, install the cylinder so
that the fork section of reverse feed link 3 enters the hinge
screw of the feed adjusting rod.
™ When the fork section does not
enter the hinge screw, stitches
of the reverse feed may not be
obtained.
Adjustment Procedures Results of Improper Adjustment
1) In case of manual lubrication
1. Place oil reservoir packing 2 in oil reservoir 1 and pour oil so
that the oil surface is higher by 1 mm than the top surface of oil
reservoir packing.
The necessary amount of oil is approximately 500 ml.
2. Loosen nut 4 and turn oil amount adjustment screw 3 to adjust
the amount of oil in the hook. Turning the screw clockwise will
increase the amount of oil or counterclockwise will decrease
it.
3. The appropriate amount of oil, when a sheet of paper is placed
near the periphery of the hook, is to such an extent that splashes
of oil from the hook appear in approximately five seconds as
shown in the sheet of paper.
4. Lubricate oil of 5 ml to tank 5 located on the top surface of
machine arm once a week.
(Caution) 1. When oil is poured at once, there is a case where
oil overflows from oil reservoir 1. So, be careful.
2. When oil is poured to tank 5 more than is
necessary, oil leakage will be caused. So, be
careful.
When the amount of oil is short
™ Loose stitches will result.
™ Hoo is heated resulting in
seizure.
When the amount of oil is too much
™ Thread is stained with oil. In
addition, the cloth may be
stained.
™ Trouble of sewing will be
caused.
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