Adjusting The Spreader Thread Guide And The Needle Clamp Thread Guide; Adjusting The Front Needle Guard - JUKI MF-7200D Manual De Instrucciones

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14. Adjusting the spreader thread guide and the needle clamp thread guide
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the fol-
lowing work after turning the power off and ascertaining that the motor is at rest.
3
5
4
A
2
5
4
0.8 to 1.2 mm
0.4 to 1.0 mm
2
15. Adjusting the front needle guard
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the fol-
lowing work after turning the power off and ascertaining that the motor is at rest.
2
2
B
1
4
C
1
1
4
3
[Spreader thread guide]
Adjust so that the clearance between spreader thread
gude 2 and spreader 1 is 0.4 to 1.0 mm. Then fix the
spreader thread gude wth setscrews 3 .
* Adjust so that the center of slot A of spreader thread
gude 2 algns wth blade pont B of spreader 1
when spreader 1 s n the extreme rght poston.
In addton, allow the spreader thread gude 2 to
come near the needle clamp to such an extent that
the spreader thread gude does not nterfere wth the
needle clamp.
[Needle clamp thread guide]
Adjust so that the center of thread hole of needle clamp
thread gude 4 algns wth center C of slot A when the
needle s n the lowest poston.
* At ths tme, adjust so that the clearance between
needle clamp thread gude 4 and spreader thread
gude 2 is 0.8 to 1.2 mm. Then fix the needle clamp
thread gude wth setscrew 5 .
Adjust the heght of front needle guard 2 wth setscrew
4 so that t s hgher by 3.3 ± 0.5 mm than the rear
needle guard.
Adjust wth setscrew 3 so that the clearance between
the needle and front needle guard 2 s 0.1 to 0.5 mm
when looper 1 travels from the extreme rght poston
to the left and passes the rear sde of the respectve
needles.
* Allow front needle guard 2 to come to the needle
as near as possble wthn the range where needle
thread smoothly passes n accordance wth the knd
or thckness of thread.
– 20 –

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