JUKI DDL-8000A, Руководство инженера

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Trouble Cause (1) Cause (2) Check and corrective measures
From the previous page From the previous page
5-B) The thread path has a flaw. Finish the thread path appropriately.
5-C) The thread path has an obsta-
cle.
Finish the thread path appropriately.
Correct threading.
10-6) The material is inappropriate-
ly stretched.
6-A) The needle hole of the throat
plate is too large.
Replace the current gauge with a new one
having a smaller diameter hole.
6-B) The thread relief on the back
side of the presser is too large.
Use a presser with a smaller thread relief on
the backside or without thread relief.
6-C) The parallel level of the presser
is inappropriate.
Replace the presser, or loosen the presser bar
holding screw and correct the needle entry and
presser bend if there is no needle entry.
6-D) The presser is floating. Adjust the clearance between the presser bar
holder and lifting plate.
10-7) Backlash exists in the moving
direction..
7-A) Irregular stitches occur due to
pitch fluctuations resulting from
variation in the sewing speed.
Check whether there is a backlash and elimi-
nate the back lash if necessary.
.
10-8) The stroke of the thread take-
up ever is too long.
Move the arm thread guide rightward to reduce
the thread feeding with the thread take-up
lever.
10-9) No reaction is observed from
the thread guide bar.
Use D1113126WA0.
11. The bobbin has a scratch.
The bobbin is scratched as illus-
trated, and a burr is left.
11-1) When a DAB-type hook
(11038650) is used, the nee-
dle may come into contact
with the bobbin.
Use a hook with needle holder that is compat-
ible with #11 or equivalent needles. 11141355
for MS, 22890404 for SH.