JUKI SC-920, Engineer'S Manual, Page: 46 / 75

– 42 –
52 Compensation of
solenoid-off timing
of reverse feed
stitching at the
start of sewing Compensation of releasing the solenoid for reverse feed stitch-
ing when reverse feed stitching at the start of sewing is per-
formed.
– 36 to 36
(10°)
5 2 1 0
50
53 Compensation
of solenoid-off
timing of reverse
feed stitching at
the end of sewing Compensation of releasing the solenoid for reverse feed stitch-
ing when reverse feed stitching at the end of sewing is per-
formed.
– 36 to 36
(10°)
5 3 1 5
50
55
Foot lift after
thread trimming Function of lifting presser foot at the time of (after) thread trimming
0 : Not provided with the function of lifting presser foot after
thread trimming
1 : Provided with the function of lifting presser foot automatically
after thread trimming
0/1
5 5 1
51
56
Reverse
revolution to lift
the needle after
thread trimming Function of reverse revolution to lift the needle at the time of (af-
ter) thread trimming
0 : Not provided with the function of reverse revolution to lift
the needle after thread trimming
1 : Provided with the function of reverse revolution to lift the
needle after thread trimming
0/1
5 6 0
51
58
Function
of holding
predetermined
upper/lower
position of the
needle bar Function of holding predetermined upper/lower position of the needle bar
0 : Not provided with the function of holding predetermined
upper/lower position of the needle bar
1 : Provided with the function of holding predetermined upper/
lower position of the needle bar (holding force is weak.)
2 : Provided with the function of holding predetermined upper/
lower position of the needle bar (holding force is medium.)
3 : Provided with the function of holding predetermined upper/
lower position of the needle bar (holding force is strong.)
0 to 3
5 8 0
51
59
Function of Auto/
Manual change-
over of reverse
feed stitching at
the start of sewing This function can specify the sewing speed of reverse feed
stitching at the start of sewing.
0 : The speed will depend on the manual operation by pedal, etc.
1 : The speed will depend on the specified reverse feed stitching speed (No. 8).
0/1
5 9 1
51
60
Function of stop
immediately after
reverse feed
stitching at the
start of sewing Function at the time of completion of reverse feed stitching at
the start of sewing
0 : Not provided with the function of temporary stop of the
sewing machine at the time of completion of reverse feed
stitching at the start of sewing
1 : Provided with the function of temporary stop of the sew-
ing machine at the time of completion of reverse feed
stitching at the start of sewing.
0/1
6 0 0
51
64
Change-
over speed of
condensation
stitch or EBT (end
back tack) Initial speed when starting condensation stitch or EBT
0 to 250
(sti/min)
6 4 1 8 0
70
Function of soft-
down of presser
foot Presser foot is slowly lowered.
0 : Presser foot is rapidly lowered.
1 : Presser foot is slowly lowered.
0/1
7 0 0
52
71
Double reverse
feed stitching
function Effective/ineffective of double reverse feed stitching is changed
over. (to be used only with CP-18)
0 : Ineffective
1 : Effective
0/1
7 1 1
72
Sewing
machine startup
selecting
function Current limit at the startup of sewing machine is specified.
0 : Normal (Current limit is applied during startup)
1 : Rapid (Current limit is not applied during startup)
0/1
7 2 0
73
Retry function This function is used when needle cannot pierce materials .
0 : Normal
1 : Retry function is provided.
0/1
7 3 1
52
76
One-shot function One-shot operation up to the material end is specified. (to be
used only with CP-18)
0 : One-shot operation is not performed.
1 : One-shot operation is performed.
0/1
7 6 0
44
*
84 Initial motion
suction time of
presser foot lifting
solenoid
Suction motion time of presser foot lifting solenoid
50 to 500
(ms)
8 4 1 4 0
52
87 Function of pedal
curve selection
Pedal curve is selected. (Improving pedal inching operation)
Number of rotations
Pedal stroke
2
0
1
0
/
1
/
2
8 7 0
52
90 Initial motion up
stop function
Automatic UP stop function is set immediately after turning ON the
power.
0 : off
1 : on
0/1
9 0 1
53
No Item Description Setting range Indication of function setting Ref. page
* Do not change the set values with asterisk ( * ) mark as they are functions for maintenance. If the standard set value set at the
time of delivery is changed, it is in danger of causing the machine to be broken or the performance to be deteriorated.