KANSAI SPECIAL DFB MR-S Series User manual

PARTS LIST & INSTRUCTION
Industrial Sewing Machines
First published : June 2020
No. 200057

INDEX 1
REF. PART NO. REF. PART NO. REF. PART NO. REF. PART NO.
NO. 品 番 NO. 品 番 NO. 品 番 NO. 品 番
MEMO
02-01 01-816 02-45 27-123 03-14 75-244 02-36 87-010
06-01 06-003 05-08 27-343 01-26 75-329 03-24 87-019
06-02 06-186 03-04 27-471 03-15 75-332 06-28 87-104
06-03 06-187 04-14 27-472 01-27 75-351 02-37 87-113
06-04 06-188 03-05 27-473 01-28 75-352 04-36 87-113
04-01 06-406 05-09 27-474 02-25 75-394 01-37 87-129
04-02 06-408 02-05 39-108 03-16 75-410 02-38 87-129
04-03 06-409 02-43 40-7370 03-17 75-452 05-15 87-129
04-04 06-410 02-44 40-7380 04-20 75-452 01-38 87-171
04-05 06-411 02-06 41-104 02-26 75-455 01-39 87-172
04-06 06-412 02-07 41-105 03-18 75-455 03-25 87-173
01-01 06-430 02-08 41-106 04-21 75-455 02-39 87-177
04-07 06-431 02-09 41-113 03-19 75-655 03-26 87-177
04-08 06-432 02-10 41-120 04-22 75-942 01-40 87-203
04-09 06-434 02-11 41-121 02-27 77-038 04-37 87-203
04-10 06-438 02-12 41-509 02-28 77-039 01-41 87-225
04-11 06-439 02-13 41-510 02-29 77-102 03-27 87-225
04-12 06-440 02-14 41-701 02-30 77-111 01-42 87-242
01-02 06-444 02-15 41-702 01-29 81-113 01-43 87-254
01-03 06-445 05-10 42-704 01-30 81-412 02-40 87-269
01-04 06-448 02-16 45-101 01-31 81-440 02-41 87-272
03-01 06-449 02-17 45-131 01-32 81-443 03-28 87-274
03-02 06-472 02-18 45-264 01-33 81-444 04-38 87-274
01-05 06-474 02-19 45-429 04-23 84-103 01-44 87-285
06-05 12-409 02-20 45-478 04-24 84-161 05-16 87-286
06-06 13-1140-0 02-21 45-550 04-25 84-163 02-42 87-288
06-07 14-415 02-22 47-117 06-21 84-164 01-45 87-299
06-08 15-051 02-23 47-166 04-26 84-313 05-17 87-309
06-09 15-415 02-24 47-413 05-12 84-314 03-29 87-449
06-10 17-0510-1 04-15 58-411 02-31 84-361 03-30 87-450
06-11 17-4150-1 04-16 58-412 04-27 84-361 04-39 87-450
06-12 17-4150-B 01-11 59-070 02-32 84-363 03-31 87-482
06-13 17-4150-C 01-12 60-9810 04-28 84-365 04-40 87-482
06-14 17-4430-A 01-14 61-711 06-22 84-367 04-41 87-483
06-15 18-418 01-15 63-386 04-29 84-379 03-32 88-165
06-16 19-406 03-06 63-409 06-23 84-380 03-33 91-270
06-17 19-413 03-07 63-410 06-24 84-382 03-34 91-409
06-18 19-416 03-08 65-407 06-25 84-464 03-35 91-891
06-19 19-431 04-17 67-410 02-33 84-521 01-13 91-995
06-20 19-437 03-09 67-428 04-30 84-521 01-46 93-264
02-46 20-0430 01-16 69-105 05-13 84-521 01-47 94-214
05-01 20-6020 01-17 69-120 06-26 84-521
05-02 20-6450 01-18 69-467 04-31 84-561
02-02 21-935 01-19 69-468 01-34 84-567
01-06 22-482 01-48 70-0260 04-32 84-571
01-07 22-483 01-20 71-208 05-14 84-571
01-08 23-195 01-21 71-241 02-34 84-573
02-03 23-263 01-22 71-263 04-33 84-573
02-04 23-324 04-18 71-434 06-27 84-588
04-13 23-341 03-10 71-762 03-20 84-831
01-09 23-383 01-23 71-769 01-35 85-181
01-10 23-663 01-24 71-856 04-34 85-210
03-03 25-014 01-25 71-933 01-36 85-674
05-04 26-717 03-11 71-952 04-35 86-211
05-05 26-719 05-11 75-097 02-35 86-411
05-06 26-720 03-12 75-112 03-21 86-411
05-03 26-737 04-19 75-112 03-22 86-412
05-07 26-738 03-13 75-235 03-23 86-481

First published : June 2020
DFB MR-S Series Instruction Manual

MR-S
INTRODUCTION
Thank you for your purchasing Kansai Special's DFB/ R-S Series.
Read and study this instruction manual carefully before beginning any of the
procedures and save it for later use.
1. This instruction manual describes adjustments and maintenance procedures on the
R-S series. Refer to the DFB-G Series instruction manual for basic adjustment.
2. Before starting the machine, check to make sure the pulley cover, safety cover, etc.
are secured.
3. Before adjusting, cleaning, threading the machine or replacing the needle, be sure to
turn off the power.
4. Never start the machine with no oil in the reservoir.
5. Refer to the parts list as well as this instruction manual before performing preventive
maintenance.
6. The contents described in this instruction manual are subject to change without notice.
I n d i c atio n o f se r i a l num ber
odel
Zip code
2 0 0 0 0 0 1
Serial number
The date of manufacture
( anufactured in 2020)
MR-S 1
CONTENTS
1. SPECIFICATIONS
1-1 Stitch type ························································································· 2
2. NEEDLES & THREADING THE ACHINE
2-1 Needles ····························································································· 2
2-2 Replacing the needle ··········································································· 2
2-3 To thread the machine ········································································· 3
3. ACHINE SPEED
3-1 achine speed & direction in which the machine
pulley runs ························································································· 5
3-2 otor & belt ······················································································· 5
3-3 Attaching direct motor ········································································· 5
4. SEWING ACHINE INSTALLATION
4-1 Cutting the machine table ···································································· 6
5. R-S ADJUST ENT
5-1 Adjustment of bottom stripper blade ······················································ 8
5-2 Adjustment of ruffling arm ··································································· 8
5-3 Timing of ruffling arm ········································································· 9
5-4 Change ruffling ratio ··········································································· 9
6. CLEANING THE ACHINE ·························································· 10

MR-S
2
【1】SPECIFICATIONS
1-1 Stitch type
JIS401 double chain stitch machines
【2】NEEDLES & THREADING THE ACHINE
2-1 Needles
UO113GS #14 of Schmetz or Organ
Select the proper needle for the fabric and thread.
< Needles and needle size >
Schmetz
UY113 Nm75 Nm80 Nm90 Nm100 Nm130
Organ
UO113 #11 #12 #14 ＃16 #21
2-2 Replacing the needle
When replacing the needle, check the needle carefully to
see that the scarf is turned to the left of the machine (see
the illustration).
< Note >
When replacing the needle, be sure to turn off the
machine. A clutch motor continues running for a while
after the machine is turned off. Therefore keep on
pressing the pedal until the machine stops.
MR-S
3
2-3 To thread the machine
Thread the machine correctly by referring to pages 3 to 4.
Incorrect threading may cause skip stitching, thread breakage and/or uneven stitch
formation. When threading the looper, tilt the looper holder toward the front of the
machine using the looper drawing bar.
■How to tilt the looper toward the front
1. Bring needle bar A to the top of its stroke.
2. Pay out the needle thread from the spool by pressing a finger down on needle threads
B.
3. Pull looper drawing bar knob C out to the left so that the looper holder is tilted toward
the front of the machine.
After the machine is threaded, replace the looper by pressing looper holder D into the
machine until it clicks.
< Note >
The looper pops out of the machine as soon as knob C is pulled, so do not bring your fingers
close to the looper.

MR-S
4
■ Threading diagram for DFB1404
MR-S
5
【3】ACHINE SPEED
3-1 achine speed & direction in which the machine pulley runs
Refer to the table below for maximum and standard
speeds of the Series.
To extend machine life, run the machine
approximately 15~20% below the maximum speed for
the first 200 hours of operation (approx. 1 month).
Then run the machine at the standard speed. The
machine pulley turns counterclockwise as seen from
the end of the machine pulley.
3-2 otor & belt
otor : 3-phase, 2-pole, 400W clutch motor
Belt : type V belt
Select the proper motor pulley according to the
machine speed (refer to the motor pulley outer
diameter on the table below).
Adjust the position of the motor by pressing the finger
onto the middle of the belt so that 1~2cm deflection can be achieved (see the illustration on
the right).
< achine speed >
odel aximum speed Standard speed
DFB1402 R-S 3500 3000
< otor pulley selection table >
otor pulley outer
diameter (mm)
achine speed (SP )
50Hz 60Hz
60 2500 2950
70 2900 3450
80
3300
3900
90
3700
4400
3-3 Attaching direct motor
This product includes bracket ① and washer ② for attaching Ho Hsing brand direct drive
motor. Direct motor is sold separately. (Parts No. 59-060 Ho Hsing brand i70 110-240V dual
voltage direct motor or Parts No. 59-037 Ho Hsing brand GD60 200-240V direct motor)
Please refer below drawing for
attaching direct motor.
①
②
r
emove

MR-S
6
【4】SEWING ACHINE INSTALLATION
4-1 Cutting the machine table
■ For clutch motor
MR-S
7
■ For direct motor

MR-S
8
【5】R-S ADJUST ENT
5-1 Adjustment of bottom stripper blade (Fig.1)
For the adjustment of bottom stripper blade “A”,
please follow the picture in the right.
Distance “Y” should be 1 to 3mm, depends on fabric
thickness. Loosen screw “D” and move bracket “C”
up and down.
Distance “X” should be 4 to 5mm, adjust by screw
“B”.
5-2 Adjustment of ruffling arm
Length of ruffling arm is 99.4mm. Adjust the length
by screw “J”. (Fig. 2)
The ruffling arm is attached to the driving shaft “F”,
tighten by screw “I” and “E”.
When the ruffling blade “K” plunge towards the
needle, the tip of the ruffling blade “K” should be
located 1mm over the needle. (Fig. 4)
Adjust by bolt “N” (Figure 5)
◆ Bottom stripper blade “A” and ruffling blade “K”
should not touch. Adjust by loosening screw “H” and
move stopper plate “G”. ove stopper plate “G” to
the right to make the gap larger, and move stopper
plate “G” to the left to make it smaller. (Fig. 2)
Ruffling arm’s length of stroke can be changed by
adjusting the position of the connecting rod from
screw “ ”.
When the distance “P” is short, the length of stroke
will be big and when the distance “P” is long, the
length of stroke will be small. (Fig. 3)
Fig. 3 is the length of stroke when the distance “P”
is 35mm.
Fig.1
Fig.2
Fig.3
Fig.5 Fig.4
MR-S
9
5-3 Timing of ruffling arm (Fig. 6)
Correct timing is when the ruffling blade reaches nearest
to the needle, the needle start stitching into the fabric.
Open top cover and change the timing pulley position by
loosening screw “A”.
5-4 Change ruffling ratio (Fig. 7)
It is possible to change the ruffling ratio by changing
timing pulley and belt in the accessory box.
Factory setting is ruffling every 2 stitches. (2:1).
Using timing pulley and belt in the accessory box, it can
be changed to ruffling every stitch (1:1).
Refer to the following for the replacement procedure.
1. Remove screw “A”
2. Loosen screw on “Z” to remove tension of the belt.
3. Pull out shaft “E” by loosening screw of “B” and “C”.
4. Change “C” to “F” and “D” to “G”
5. Fix shaft “E” by tightening “B”. ake sure there is
no backlash at shaft “E”.
6. Set “F” at the center of belt “G” and tighten screws of “F”.
7. Tighten screw “A”
8. Set “Z” give tension to
the belt “G”
9. Re-adjust timing of
ruffling arm by
referring to previous
chapters.
Fig.6
Fig.7

MR-S
10
【6】CLEANING THE ACHINE
At the end of each day, remove the presser foot
and the needle plate and then clean the slots of
the needle plate and the area around the feed
dogs.

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