JUKI LU-2210N-7 Engineer's Manual page 97

Assembling and Disassembling Procedure
1. Remove the timing belt
2. Remove the hand-wheel.
3. Remove the aperture plate.
4. Remove the set screw
base and lower the installation base
A until the arm hole
2212N-7 and LU-2220N-7)
5. Insert the hexagon wrench (3 mm) through the arm hole
loosen the set screw
6. Loosen the sprocket set screw
7. Fit the top end of the screwdriver in notches
and draw out the main shaft bearing bush (assembly).
8. Shift the sprocket in the direction of arrow C as illustrated in the
figure and shift the timing belt in the direction of arrow B.
9. Push the timing belt
draw it in the direction of arrow D to detach it from the main shaft
.
10. Remove the feed adjusting tension spring
ing eccentric pin.
from the lower sprocket
of the reverse feed cylinder installation
in the direction of arrow
in the arm can be observed. (Except for LU-
of the main shaft bearing bush.
.
out from the hole in the machine arm and
from the feed adjust-
3' Refer to [3-(17) and (18)
.
and
and on the arm
– 91 –
Results of Improper Adjustment
A p e r t u r e P l a t e R e m o v a l
Procedure (for LU-2212N-7and
LU-2220N-7)] for how to remove
the aperture plate for LU-
2212N-7.