JUKI AMS-221EN Series Engineer's Manual page 207

3) Points to be applied with JUKI Grease B
(Caution) Use grease tube B (part number: 40013640) (in light violet) supplied with the unit for adding
grease to any points other than the points specifies below. If any grease other than the specified
one is used, the related components can be damaged.
o Adding grease onto the eccentric cam section
o Adding grease onto the oscillating rock shaft pin section
1. Open crank rod cover
2. Remove setscrew
cated at periphery of crank rod
3. Fill coupling
tube .
4. Sink screw supplied with the unit into the coupling
to add the grease.
5. After adding the grease, securely tighten setscrew
which has been removed.
(Reference) The eccentric cam section can be suffi-
ciently filled with grease by adding the
grease while turning the main shaft of
sewing machine.
1. Tilt the machine head and remove the grease cover
.
2. Fill coupling
through JUKI Grease B tube
3. Remove setscrew
in joint into the screw hole.
4. Sink screw supplied with the unit into the coupling
to add the JUKI Grease B.
5. Securely tighten setscrew
after replenishing with the grease.
(Tightening torque: 4.9 to 5.9N•m)
– 203 –
.
from the grease inlet cover lo-
.
with grease through JUKI Grease B
supplied with the unit with grease
.
in oscillator gear
which has been removed
and screw