JUKI MEB-3200 Engineer's Manual page 143

Adjustment Procedures
1) Removing the cloth cutting knife base (Remove the hose of
the cloth chip chute connected to the base.)
* Check the base since there are a new and an old parts.
Further, in case of the old part, replace it with a new part.
Refer to "15 - (2) -4) Changing the position of the knife
stopper".
1. Turn OFF the power and the air to the machine.
2. Loosen fixed screw 1 and remove knife holder 2.
3. Loosen setscrew 3 and remove cloth cutting knife 4.
4. Loosen setscrew 5.
5. Remove three setscrews 6 in the knife base and remove cloth
cutting knife base 7 (together with knife base key 8) from the
machine bed. (Remove the piping connected to the base as
well.)
6. When the dimension, 26 mm of needle thread trimming vertical
arm 9 is longer, cut the top end by 1 mm.
(Caution) Three setscrews 6 in the knife base are used again.
Keep them without losing.
2) Installing the cloth chip suction device asm.
1. Remove the cloth chip chute hose from the bottom cover.
2. Insert cloth chip suction device asm. 1 to machine bed 2 and
adjust so that cloth chip chute A 3 appears from hole 4 of the
machine bed. (It is possible to insert it from the rear side.)
[Pass the air tube (black) of the cloth chip suction device 1
and the cloth chip hose (white) up to the rear side of the machine
bed 2.]
3. Attach the cloth chip chute hose of the cloth chip suction device
asm. 1 to the bottom cover after connecting with the cloth
cutting knife base A.
(When the diaphragm elbow [Part No. : PJ304120002] is
assembled to the bottom cover, remove it and replace it with
cloth chip bush [Part No. : 32006504].)
Results of Improper Adjustment
139
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