Pfaff Hobbylock 784 User manual

747!

instruction

manual

ii;

II.

Notes

safety

Owing

the

and

down

movement

the

needles

and

the

upper

knife,

the

user must

take

sufficient

care

avoid

injury

and

observe

the

sewing

area

continuously

while

sewing.

When

leaving

the

machine,

changing

parts

accessories,

the

machine

must

disconnected

from

the

power

source.

The

maximum

approved wattage

the

light

bulb

watts.

The

drive

belt

must

never

adjusted

anyone

but

authorized

Pfaff

agent.

p..)

()

19,20

24,

Contents

Controls

the

sewing

machine

Electrical

connection

Master

switch

and

sewing

light

Foot

control

Notes

safety

Installing

the

thread

spool stand

Opening

the

looper

cover

Threading

guide

wires

and

the

thread

guides

behind

4-thread

overedge

seam

Threading

the

right

looper

Threading

the

left

looper

Threading the

left

and

right

needle

Thread

reel

change

threaded

machine

Inserting

the

lint

box

Seam allowance

Sewing

test

Points

observe

during

sewing

Securing

the seam

Axial

blocking

the

upper

knite

Setting

the

standard

thread

tensions

Correcting

the

thread tensions

3-thread

overedge seam

Thread

chart

Adjusting

the

stitch length

hobbylock

784

and

786

Adjusting

the

differential

feed

(hobbyfock

786)

Disengaging

the

upper

knife

Adjusting

the

seam

width

Changing

the

sewing foot

Changing the

light

bulb

Cleaning

the

thread

tensions

Rolled

hems

Changing

the

needles

Changing

the

knives

Changing

the

upper

knife

Changing

the

lower

knife

Oiling

the

machine

Sewing

problems

and their

removal

Accessories

Thread

spool

net/thread

unreeling

disc

Specifications

Contents

the

cardboard

box

the

carrying

handle

Controls

the

sewing machine

Thread

spool

stand

Carrying

handle

Left

needle thread

tension

dial

Right

needle

thread

tension

dial

Right

looper

thread

tension

dial

Left

looper

thread

tension

dial

Thread

tension cover

Lint

box

Handwheel

Looper

cover

with

recess

Upper

knife

Work

support

(swivel-type)

Needle

plate

Sewing

foot

Needle

bar

Sewing

foot

lifting

lever

Thread

spool

holder

Thread

guides

Thread guide

bar

Machine

socket

Master

switch

Rear

thread

guide

Differential

feed

adjustment

knob

Accessory

box

Stitch

length

adjustment

knob

Seam

width

adjustment

knob

Rotary

lever

for

upper

knife

disengagement

Foot

control

Foot

control

plug

for

machine

socket

Mains plug

Right

looper

Left

looper

Lower knife

34 Lower

knife

screw

Retaining

screw

upper

knife

Thread

spool

centering

piece

Accessories

retainer

Retaining

screw

for

blocking

the

upper

knife

Electrical

connection

Use this

machine

only

flat

surface

special

sewing

table.

Connecting the

foot

control:

Insert

the

plug

the control

the

machine

socket.

Then

connect

the

mains

plug

power

source.

Caution:

When

the machine

not

use,

switch

off

the

master

switch

and

disconnect

the

plug

from

the

power

source.

not

place

any

objects

the

foot control.

Switching

the

machine

and

OFF

Power and

sewing

light

are

switched

and

off

simultaneously

with

master

switch

12.

Switching

on:

Press

switch.

Machine

and

sewing

light

are

switched

on.

Switching

off:

Press

switch

again.

Machine

and

sewing

light

are

switched

off.

Foot

control

Owing

the

and

down

movement

the

needles

and

the

upper

knife,

the

user

must

take

sufficient

care

to avoid

injury

and

observe

the

sewing

area

continuously

while

sewing.

When

leaving

the

machine,

changing

parts

accessories,

the machine

must

disconnected

from

the

power

source.

The

maximum

approved

wattage

the

light

bulb

is 15

watts.

The

drive

belt

must never

adjusted

anyone

but

authorized

Pfaff

agent.

The

speed

the

Hobbylock

regulated

follows:

The

you

press

the

foot

control

down,

the

faster

the

machine

will

sew.

Electronic

foot control

Maximum

speed

can

pre-selected

two

steps

the

switch

the foot

control.

Position

Half

speed

Position

Full

speed

Notes

safety

Installing

the thread

spool

stand

Loosen

clamp

screw

alittle

and

pull

washer

the

screw

head.

Insert

thread

spool

stand

from

the

top.

Tighten

clamp

screw

securely.

________I

Insert

four

thread

spool

holders

with

centering pieces

fully

the

holes

the

thread

spool

stand.

Push

thread

guiding

part

into

guide

bar

19.

Pull

guide

bar

and

align

that

thread

guides

are

exactly

above

the

spool holders.

Opening

and

closing

looper

cover

and

work

support

Push

looper cover

fully

the

right.

hold

it,

and

swing

down.

close the

looper

cover,

push

until

locks.

open

work

support

12,

push

the

left.

the

work

support,

push

the

right

until

locks.

threacing

diagram

fixed

the

machine

behind

the

looper

cover.

This

diagram

shows

the

different

threading

paths

different

colors

(see

Fig.

A).

Threading

the

guide

wire of

the

thread

spool

stand

and

the

thread

guides

behind

the

carrying

handle

The

machine

must

threaded

correctly.

First

pull

the

respective

threads

through

their

corresponding

guides

(Figs.

and

C).

Then

thread

the

tensions

the

following

sequence:

right

looper

(red)

left

looper

(yellow)

right

needle

(green)

left

needle

(blue)

Figure

shows

the

threading

path

the

individual

threads

for

thread

guides

18.

For

threading

the guides

oehind

carrying

handle

the

handle

must

pulled

(Fig.

C).

After

threading,

carrying

handle

must

pushed

down

again.

4-thread

overedge

seam

This

seam

sewn

with

two

needle

threads

and

two

looper

threads.

The

3-thread

overedge

seam

described

page

17.

Threading

the

right

looper:

Thread

the

right

looper

sequence

and

pull

approximately

(4”)

thread

through

the

looper

eye

(the

thread

path

marked

red).

Important:

order

obtain

perfect

sewing

results,

the thread

must

pulled

between

the

tension

discs

when

threading

the

tensions.

If’

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