Options
Feature
This device allows a machine without thread trimmer to perform automatic reverse feed function.
Prevents the blade point of the hook from wearing out
This is the spring which strongly holds down the material when sewing a heavy weight material.
Tightly tensed seams can be produced by increasing the tension applied to the needle thread.
Thread breakage and stitch skiping can be prevented by stabilizing the needle thread loops.
Description
Automatic reverse
feed Kit
Hook with
a hard blade point
Presser spring
Tension spring
Auxiiary Thread
take-up Kit
Part No.
40135177
225-26578
229-07406
B3129012A00
40135178
235-23152 Hook
235-22550 Bobbin case (asm.)
235-23004 Bobbin
Application
Precaution
The hook with non-rotational bobbin eliminates sewing troubles resulting from bobbin idling.
It provides a uniform bobbin thread tension at all times, thereby guaranteeing a consistent stitch formation.
Hook with non-rotational bobbin
※ If you want to use a non-rotational bobbin, consult your distributor beforehand.
＊When using the oilless bobbin and hook, a hook driving shaft front setscrew
(part number: 110-79506) is necessary.
Mainly for the standard zigzag stitch: Effectively prevents the material swelling at the sewn
part, as well as irregular stitches when sewing lace to slips, camisoles and shorts.
Applicable thread
Thread specifically developed for sewing foundation garments and lingerie such as Resilon,
Poelon, Satin, and Berlon (#50, #60)
Not-applicable thread
Thread which has naps, decorative yarn of multi-fiber thread such as woolly thread, Berlon
D420 and D300, and spun thread
The quantity of thread to be wound around this bobbin is approximately 60% of that wound
around the conventional bobbin. Therefore, this bobbin is not recommended for pattern
stitching such as three-point zigzag stitching and scallop stitching, or intape-attaching
processes, even if the stitch system is the standard zigzag stitch.
225-56054 Knife unit
D1440-583-H00 Needle thread guide
400-17095 Thread tension disk (asm.)
225-80369 Presser foot (asm.)
Parts for sewing with thick thread (recommended needle: DP×5 #21, 134SUK Nm130)
GRF0100000B0 (asm.)
Presser foot connecting components
①B1551-586-000
Presser foot connecting foot
②SS-7090910-TP
Screw
1
2
Presser foot
connecting components
235-57259 Hook compl. D
400-03609 Bobbin case D3 (compl.)
400-03610 Bobbin case D3 (asm.)
400-16408 Hook gib VS
The oilless bobbin case and hook effectively prevent oil stains.
Soft seams can be produced by lowering
the bobbin thread tension.
Oilless bobbin case / Hook
(special race surface plastic hook)
Hook gib
The aforementioned parts are used when a lockstitching type
presser foot is installed on the machine. Select a parts set of
either the presser-bar changing type or the presser bar joining
type, according to the type of presser foot of your machine.
Pedal-operated reverse feed
stitching device (RF-1)
The device enables the operator to perform reverse feed
stitching using the pedal without using the right hand.
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