JUKI LU-1510N-7 Engineer's Manual page 41

Adjustment Procedures
1. Loosen nut .
2. Turn the shaft of cylinder
the end of shaft of cylinder
be 7 to 8 mm.
3. Tighten nut .
* When installing on the machine arm, install the cylinder so that the
fork section of reverse feed link
feed adjusting rod.
Adjustment Procedures
1) In case of manual lubrication
1. Place oil reservoir packing
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 and turn oil amount adjustment screw
the amount of oil in the hook. Turning the screw clockwise will in-
crease 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
chine arm once a week.
(Caution) 1. When oil is poured at once, there is a case where oil
overflows from oil reservoir
2. When oil is poured to tank
sary, oil leakage will be caused. So, be careful.
and adjust so that the distance from
to cylinder connecting screw
enters the hinge screw of the
in oil reservoir and pour oil so that
located on the top surface of ma-
. So, be careful.
more than is neces-
– 37 –
Results of Improper Adjustment
o When the fork section does not
enter the hinge screw, stitches of
should the reverse feed may not be
obtained.
Results of Improper Adjustment
When the amount of oil is short
o Loose stitches will result.
o Hoo is heated resulting in seizure.
When the amount of oil is too much
o Thread is stained with oil. In addi-
to adjust
tion, the cloth may be stained.
o Trouble of sewing will be caused.