i

PW, LPW OPERATOR'S GUIDE

PW-6,6B,7,7B,8,8B,8M,8BM,26,26B,27,27B,28.28B

LPW-6.6B,7,7B.8,8B.8M,8BM,26,26B.27,27B.28,28B

LPW-6L.6BL,7L,7BL,8L.8BL,26L,26BL,27L,27BL,28L,28BL

LUBRICATION (PW type)

Use white spindle oil. When starting the machine initially and after kept away for a long time without using at all, oil sufficiently to respective necessary parts before starting operation and pre-running. ( i ...• oiling point)

Fig. 3

Model PW, LPW-8M, 8BM

Fig. 5

Fig.4

From the library of: Superior Sewing Machine & Supply LLC

LUBRICATION (LPW type)

Oil filler hole

OILING ADJUSTMENT FOR UPPER PART (LPW type)

Point

Fig. 7

Fig. 6

To fill oil reservoir on top of machine until oil level reaches to upper reference line A. Always keep oil level is above lower reference line 8.

"V

While operating machine, lubrication to each spots of upper part of machine are made automatically. When the machine is in continuous operation, stop oiling for a while at your option.

In that case, turn dial until two points fit together, then the dial comes down and lubrication is stopped.

NEEDLE

L

J

1—needle

L

J

Needle bar

Long groove

F

Set screw

Needle

Needle

Long groove

['

_

2—needle

)

J

Needle bar

Q m Set screw

Needle

Long groove

Fig. 8 Fig. 9

STANDARD NEEDLE

DP-F22,#14.

.. PW, LPW-6.6B,26, 26B

(Roller presser)

DP X 7.

#18 .. PW, LPW-6, 68, 26,268

(Flat presser)

.. LPW-6L.6BL,26L,26BL

DPx 7.

#24

DPx 17, #18 .. PW. LPW-7B. 88. 27. 278

28.288

DPx 17. #19 .. PW. LPW-8M, 88M

DPx 17, #22 .. PW, LPW-7,8

DPx 17. #24 LPW-7L.78L.8L,88L

27L,278L,28L. 288L

1. Move needle bar to highest point.

2. Insert needile up as far as possible.

3. Long groove faces left, (in case 2-needle, the groove faces inside.)

4. Tighten needle set screw.

ROLLER PRESSER FOOT

(PW, LPW-6,26(B), (L) type) k:^

INSERTING AND

REMOVING BOBBIN

Latch

Bobbin

Slot

Tensibh regulating spring

Bobbin c^^ y

Fig. 11

Fig. 10

Lift up presser bar lifter, then press down saddle of presser foot and tum it to left as far as it will go.

3.

Pull up latch and remove bobbin from bobbin case.

To insert a full bobbin, hold it pulling out the end of thread by 5 cm, and place the bobbin into the bobbin case, and press down the latch.

Lead the end of thread pulled out through slot of the bobbin case, and under tension spring through between the bobbin case and opener.

Close cap, but leave a space for passage of the end of thread pulled out.

From the library of: Superior Sewing Machine & Supply LLC

WINDING BOBBIN

1. Place a bobbin on the bobbin winder spindle as far as possible.

2.

Lead thread as shown by Fig.12 and wind several times on bobbin.

3. Press down lever for drive then start machine.

Pulley will be disengaged from V-belt automatically after bobbin fills up with thread.

Serrated nut o Winding strength:

Adjustable by serrated nut.

Pulley

Lever

'>1 '..•cTN

Screw (2) o Winding amount:

Adjustable by screw (2).

Fig. 12

Screw (1) o Uneven winding:

Adjustable by loosen screw (1) and move winder to right or to left •

THREADING NEEDLE

LPW PW

1-NEEDLE

II

Fig. 13

Fig. 15 o Raise needle bar to highest point and lead thread from thread stand the following numerical order 1(A) ~ 11(K).

oTHREAD NEEDLE

1—needle from left to right

2—needle from inside to outside

THREAD TENSION

Needle

^ thread

ataiatatate'^Material

Perfect stitching

Bobbin thread

NEEDLE THREAD

BOBBIN THREAD

Less h V , it'More'^

Tight terision of needle thread

Serrated nut

' \ Tension regulating screw

Fig. 17

Loose tension of needle thread

Fig. 18

To adjust, turn serrated nut

Fig. 16

To adjust, turn adjusting screw

From the library of: Superior Sewing Machine & Supply LLC

ADJUSTING LIFT OF ALTERNATING

PRESSER FEET

(Comiwund feed with walking foot machina only)

More

Less

Wing nut

Fig. 19

To adjust, loosen wing nut and move link, and stud assembly along slot.

ADJUSTING STITCH LENGTH

Number (stitches/inch)

PW type

TO REGULATE PRESSER FOOT PRESSURE

LPW type

More ^ i 1

^ Less

A

Fig. 20

REVERSE STITCHING

(only wHh reverse stitch mechanism.) iff

© I

i @

Fig. 21

The pressure on the material should be as light as possible, while still sufficient to insure correct feeding.

evT—

Lever

Fig. 22

Pressing down button A, turn pulley slowly toward you.

Then plunger will enter into notch in feeding mechanism.

Hold the plunger-down and turn pulley either forward or rearward so that'desired number on pulley may come at mark on arm. Then, release the plunger.

RE-ENGAGE SAFETY CLUTCH MECHANISM

(except PW. LPW-6,6B, 26,26B)

Fig. 23

To reverse stitching, press down the lever ps far as it will go.

TRIMMER (8M,BBM type)

Lever m

Screw

Fig. 24

1. Remove any foreign matter which may have lodged in hook. Do not use any sharp-edged tools.

2. Pressing button B and turn pulley rearward slowly to re-engage safety clutch.

Fig. 26

Fig. 26

When replacement of knife, loosen two screws.

SEIKO SEWING MACHINE CO.,LTD.

11-3, imado 1-chome, Taito-ku, Tokyo 111-6534, Japan

From the library of: Superior Sewing Machine & Supply LLC