If

trouble

is

still

appearent,

please

contact

your

English nearest dealer or call

for

service.

PROBLEM

Too much thread appears on

the wrong side of the

fabric

 

Wrong side

 

------Right side

CAUSE

Incorrect upper

threading

(Tension disk is

not threaded)

Upper thread tension is too tight.

SOLUTION

Re-thread the upper

thread.

 

Adjust the

thread

tension.

 

PAGE

P15

P24

Breaking

upper thread

Breaking

bobbin

thread

 

Skipping

stitches

Puckering

Machine does not

feed

 

correctly

 

Incorrect

upper

threading.

 

 

 

 

 

 

 

Incorrect

bobbin

 

threading.

 

 

 

 

 

 

Lint stuck

in the

 

shuttle.

 

 

 

 

 

 

 

Upper thread tension

is too tight.

Needle bent or dull

needle.

 

 

 

 

Incorrect

bobbin

 

threading.

 

 

 

 

 

 

Needle inserted

 

incorrectly.

 

 

 

 

 

 

Needle bent.

 

 

 

 

 

 

Incorrect

needle or thread for the

fabric.

 

 

 

 

 

 

 

Incorrect

needle

threading.

 

 

 

 

 

Incorrect

upper

 

threading.

 

 

 

 

 

 

 

Upper thread tension is too

tight.

 

Incorrect

upper

 

threading.

 

 

 

 

 

 

 

Incorrect bobbin

threading.

 

 

 

 

 

Needle too thick for the fabric.

 

 

 

 

 

 

 

.

Too much presser foot pressure

Lint stuck in the feed dog.

 

Not enough presser

foot

 

pressure.

 

 

 

 

 

 

 

 

 

 

 

 

.

 

Feed dog is disengaged

 

Re-thread the

upper

thread.

 

 

 

Re-thread the

bobbin

 

thread.

 

 

Clean the shuttle

and the feed dog.

Adjust the thread

tension.

 

 

 

 

 

 

.

 

 

 

Insert a new needle

 

 

 

Re-thread the

bobbin

 

thread.

 

 

 

.

 

 

 

Reset the needle

 

 

 

 

 

 

.

 

 

 

Insert a new needle

 

 

 

Use correct thread and needle.

Re-thread the

needle

 

eye.

 

 

Re-thread the

upper

 

thread.

 

 

 

Adjust the thread

tension.

 

 

 

 

Re-thread the upper

 

thread.

 

 

 

Re-thread the

bobbin

thread.

 

Use correct thread and needle.

Raise the presser foot pressure

adjustment lever.

 

 

 

 

Clean the shuttle and the feed dog.

Lower the presser foot pressure

adjustment lever.

 

 

 

Raise the feed dog.

 

 

 

P15 P13 P43 P24 P20 P13

P20

P15 P24 P15 P13 P21

P43

P10

Page 53
Image 53
White 1780 manual Appearent Please, Not threaded, Needle or thread for, Too much presser foot pressure

1780 specifications

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