JUKI AMB-289 Engineer's Manual page 71

Procedures of disassembling / assembling
Rmoving the tongue release cylinder
1. Turn OFF the power and the air.
2. Remove air tube from joint
3. Loosen nut 3 of the shaft of cylinder
4. Tilt the machine head, loosen the screw of sensor installing
metal fitting 5, and remove sensor 6.
5. Remove thrust collar 7, and remove cylinder 2.
Installing the tongue release cylinder
1. Paying attention to the direction of cylinder
cylinder shaft 8, and fix with thrust collar
2. Temporarily tighten sensor
3. Assemble stud 4.
4. Insert the air tube.
5. Loosen setscrew !0 of tongue open/close arm 9, and tighten
setscrew !0 of tongue open/close arm 9 at the position where
cylinder is drawn by 1 mm from the place where it is fully moved
back when tongue !1 is pressed to the end in the directon of
arrow mark ( ➡).
6. Turn ON the power, and adjust so that sensor
when tongue !1 is pressed to the end in the direction of arrow
mark ( ➡) while observing LED of sensor
7. Adjust the installing dimension of sensor
close cylinder 2 to 29 mm from the edge.(Reference
dimension)
1.
2, and remove stud 4.
2, enter it to
7.
6.
6 is turned ON
6.
6 of tongue open/
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Caution in disassembling / assembling
™ Assemble so that cylinder
s m o o t h l y m o v e s w i t h o u t
looseness.
™ Insert the air tube without
mistaking the direction of rear and
front.
™ There is a detecting range of
sensor 6. Adjust the sensor so
that it is turned ON early when
tongue !1 is moved in the
direction of arrow mark ( ➡),
and still ON when tongue !1 is
pressed to the end.
2