JUKI MOL-254 Engineer's Manual page 133

1. Tilt the sewing machine head and make a space for working.
2. Remove cross cut support
3. Remove screw , remove plain washer
4. Remove counter knife
5. Replace the loop cut knife with a new one (G5412254000), install collar, spring and plain washer
in the order by reversing the above disassembling order, and fix them with the screw.
(Caution) Make sure that the screw is securely tightened since the compressed amount of the
spring is determined by the height of the collar.
6. Loosen screw in the moving knife base and move moving knife shaft
of loop cut knife is aligned with the bottom face of moving knife shaft
7. Draw loop cut cylinder
support at the position where the belt loop receiving face of cross cut support
the top surface of counter knife
interfere with cross cut support
8. Turn ON the power and supply air to the machine. Feed the belt loop using the loop feed lever, and
simultaneously press the standard screen key and "3" to cut the belt loop. Then, check the sharpness
Top surface of moving knife is aligned with bottom face of moving knife base.
(Clearance : 0 mm)
Disassembling / Assembling
.
, spring
, and replace it with a new one (G5409254000).
to move loop cut knife
. At this time as well, check that counter knife
.
0 mm
(0")
126
− −
and collar , and remove plain cut knife
.
to the highest position. At this time, fix cross cut
.
so that the top surface
is aligned with
does not