Service manual

2-6
S-101
TROUBLESHOOTING
Revised 09/2004
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E) Bevel sides of Cutting Steel 10.1069 (all)
close to the cutting impression.
F) Clamp spreading insufficient. Adjust for
more spread - see Sheet 9, Fig. 4
G) When cutting of stitches takes place on both
sides, give more space between right and left
banks of stitches, according to instructions
on Sheet 7, Fig. 2, 3.
20. DISTORTION OF EYE:
A) Cord not drawing freely. Check source of
trouble and eliminate.
B) Hole in Throat Plate 10.4012 (all) too small.
String out hole.
C) Throat Plate 10.4012 (all) too high. Seat it
properly.
D) Edge of Throat Plate 10.4012 (all) interfering
when stitching around eye. Bevel edge
slightly on the stem side.
E) Throat Plate 10.4012 striking Mats 10.2044
(all) or 10.2048 (all) around eye. Make
clearance.
F) Knife blunt or too thick. REPLACE.
G) Thread tension not balanced. See Sheet 10,
Fig. 3, 4.
H) Spread on Clamps too large or unequal
Reduce or equalize. See Sheet 9, Fig. 4
and Sheet 15, Fig. 1.
I) Stud 10.3020 out of adjustments. See Sheet
16, Fig. 3, 4.
J) Cutter too low. Shim up Knife Holder
10.3058 (all) with Shims 10.3075.1.992 or
10.3075.1.993 so that Knife is about 1/32”
below the top level of Mats 10.2044 (all)
and 10.2048 (all).
K) Bevel Cutting Steel 10.1069 (all) close to
the cutting impression.
L) Check race swing for 180
o
turn as well as
squareness. See Sheet 11, Fig. 1 -
adjustment 1, 2.
21. SKIPPING STITCHES:
A) Needle bent or incorrectly set. Replace or reset
according to instructions on Sheet 6, Fig. 1.
B) Machine not threaded properly. See Sheet 4,
for threading instructions.
C) Loopers too close or too far away from Needle.
Adjust according to instructions on Sheet 13,
Fig. 1.
D) Loopers not equalized. Adjust according to
instructions on Sheet 12, Fig. 1, 2, 3, 4, 5.
E) Loopers dip across Needle too fast or slow.
Adjust according to instructions on Sheet 12,
Fig. 6.
F) Loopers bent, worn or out of shape. REPLACE.
G) Needle Bar too high or too low. Adjust according
to instructions on Sheet 13, Fig. 6, 7.
H) Spreaders out of adjustment. Adjust according to
instructions on Sheet 13, Fig. 2, 3, 4, 5.
I) Spreaders sticking. Clean shank - if Spreader
Spring 01.5024 or 01.5025 are short or
sticking, REPLACE.
J) Spreaders too high or too low. spring the Spreader
near the shank upward or downward as required.
(Spread point or fork should ride freely over the
top of Looper).
K) Thread Loop not passing over the shoulder of
Left Hand Looper. Stone corner slightly and buff
or replace with new Looper.
CAUTION:
Do not touch the under surface of Looper with
emery cloth or any other abrasive ingredients.
Use only the smoothest stone and on the corner
only. Polish by buffing.
L) Work of a flimsy or rubber nature, adjust
Looper-dip to 1/8” instead of 3/32”.
M) Throat Plate 10.4012 (all) bent or hole is too
large. REPLACE.
N) Observe whether Clamp Feet 10.2046.0.750
(to 755) or 10.2050.0.750 (to 755) are holding
work firmly. If not, locate trouble and correct.