Juki MF-3580 handleiding
Handleiding
Je bekijkt pagina 119 van 440
− 47 −
%
.
TROUBLES AND CORRECTIVE MEASURES
Check and corrective measuresTrouble Cause (1) Cause (2)
1. Thread breakage 1-1) Threading
1-A)
Thread jamming at thread
guide, threading error
Refer to “
#
- 5. How to conduct threading".
1-2) Thread path
Take measures to remove fl aws, burrs,
etc., and fi nish the thread path neatly.
In this case, however, the lower looper,
throat plate, looper thread cam, and such
important parts should be replaced if their
shapes seem to have changed.
2-A)
Flaws, burrs, rust
generation, and the
like can be a cause of
resistance in operation
if they are present in
needles, throat plate,
small thread tension,
needle thread rocking
thread path, needle
thread guide thread path,
lower looper, looper
thread guide pipe, looper
thread cam, lower thread
path guide, and thread
tension disc.
1-3) Rear needle guard
Replace the needle, and replace the part if
the rear needle guard is worn.
3-A)
If contact between the
needle and rear needle
guard is excessive,
needle grooves are
created on he rear needle
guard, resulting in thread
cut.
1-4) Needle
Use an appropriate needle.
4-A)
The needle is too thin for
the thread that is now
used.
1-5) Needle heat Reduce the needle size. Reduce the
sewing speed. Use needle cooling air.
5-A)
Thread cut occurs
because of heated
needle depen ding on
the material type, the
number of superimposed
materials, and sewing
speed.
1-6) Thread 6-A)
Poor quality of the thread
Use a high-quality thread.
1-7) Thread tension 7-A)
Excessive thread tension
Reduce the thread tension. Thread tension
is excessive because the needle thread
adjusting thread path has been lowered
too much.
1-8) Contact Set the lower looper in the proper position.8-A)
The lower looper
touches the feed dog
or throat plate because
of an improper lower
looper position. The
looper touches the
rear needle guard
because of insuffi cient
looper return.
1-9) Idle loop error Set the lower looper in the proper position.9-A)
Coordination is awkward
between needle and
looper timing. Position of
the looper thread cam is
inadequate.
Clearance is too much
between the upper feed
roller and the upper face
of the throat plate.
Bekijk gratis de handleiding van Juki MF-3580, stel vragen en lees de antwoorden op veelvoorkomende problemen, of gebruik onze assistent om sneller informatie in de handleiding te vinden of uitleg te krijgen over specifieke functies.
Productinformatie
| Merk | Juki |
| Model | MF-3580 |
| Categorie | Naaimachine |
| Taal | Nederlands |
| Grootte | 79694 MB |
