PERFORMANCEPROBLEMS

 

 

CHART

 

 

 

 

 

 

 

 

What to Do When

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PROBLEM

 

 

 

 

PROBABLE

CAUSE

 

 

 

 

 

 

 

 

CORRECTION

 

 

 

 

 

 

 

Incorrect

 

size needle.

 

 

Choose

correct size needle for thread and fabnc.

 

 

 

Skipping

Stitches

 

Bent or blunt needle.

 

 

Insert new

needle.

 

 

 

 

 

 

 

 

 

 

 

Incorrect

 

needle

instaiation.

 

Reinstall

needle.

 

 

 

 

 

 

 

 

 

 

 

 

Tight upper thread

tension,

 

Loosen

upper

thread tension.

 

 

 

 

 

 

 

Starting

to stitch

too last.

 

Start to stitch

at a medium

 

speed,

 

 

 

 

 

 

 

improper threading.

 

 

 

Rethread

machine.

 

 

 

 

 

 

 

 

 

 

 

Tight upper thread

tension.

 

Loosen

upper

thread tension.

 

 

 

 

Breaking

Upper

Thread

incorrect

size needJe.

 

 

Choose

correct

size needle

for thread

and fabnc.

 

 

 

 

 

 

Sharp

 

eye in needle,

 

 

insert new

needle.

 

 

 

 

 

 

 

 

 

 

 

Nicks

or burrs

on shuttle.

 

Replace

shuttle,

or polish

off burn completely.

 

 

 

 

 

 

Nicks

or burrs

at hole

st needle

plate.

Replace needle plate, or polish off burrs completely.

 

 

Breaking

Bobbin

Thread

Improper

 

bobbin

case

threading.

 

Check

bobbin

case

threading.

 

 

 

 

 

 

 

Lint in bobbin

case

or shuttle.

 

Clean

bobbin

case

and

shuttle.

 

 

 

 

 

 

 

Darning

plate

in place.

 

 

Remove

darning

plate.

 

 

 

 

 

 

 

Fabric not Moving

Stitch

 

Length

set

at "'O".

 

Adjust

Stitch

Length

Control.

 

 

 

 

 

 

 

Thread

knotted under

tabric.

 

Place both threads back under presser

toot betore

beginning

to stitch,

Machine

Jamming; Knocking Noise

Thread

caught

in shuttle.

 

Disassemble

and clean

shuttle.

 

 

 

 

 

 

 

Lint in bobbin

case

or shuttle.

 

Clean bobbin case and shuttle.

 

 

 

 

 

 

 

Incorrect

 

size

needle.

 

 

Use correct size

needle

tot thread and

fabric.

 

 

 

 

 

 

tmproper threading.

 

 

 

Rethread

machine.

 

 

 

 

 

 

 

 

lrreguIar

Stitches

 

Loose

 

upper thread

tension.

 

Tighten

upper thread tension.

 

 

 

 

 

Pulling

 

tabne.

 

 

 

 

 

Do not pull fabnc; guide

it gently.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Loose

 

presser

foot.

 

 

 

Reset

presser toot.

 

 

 

 

 

 

 

 

 

 

 

Unevenly

wound

bobbin.

 

Rewind

bobbin.

 

 

 

 

 

 

 

 

 

 

 

 

Nicks

or

burrs

at

hole

st needle

plate.

Replace

needle

plate, or polish off burrs completely.

 

 

 

 

 

Pulling

 

tabnc.

 

 

 

 

 

Do not pull fabric; guide

it gently.

 

 

 

 

Breaking

Needle

 

Incorrect

 

size

needle.

 

 

Choose

correct

size needle

for thread

and fabne.

 

 

 

 

 

 

Incorrect needle

instalation.

 

Reinstall

needle.

 

 

 

 

 

 

 

 

 

 

 

 

Loose

 

presser

toot.

 

 

Tighten

presser

toot,

 

 

 

 

 

 

 

 

 

 

Upper

 

and lower

threads not drawn back

When

starting

a seam be sure to draw

both threads under

and

Thread

Bunching

 

under

 

presser foot betore starting seam.

back

st presser

foot

about

 

4" and hold

until a few

stitches

are

formed.

 

 

 

incorrect thread tension (s).

 

Reset

thread

tension(s).

 

 

 

 

 

 

 

 

 

Using

 

two

different

sizes or kinds of thread.

Upper

thread

and bobbin

thread should be same

s_ze and

kind.

Puckenng

 

Bent or

blunt

needle.

 

 

Insert

new needle.

 

 

 

 

 

 

 

 

 

 

 

Loose

 

presser foot.

 

 

 

Tighten

presser

toot.

 

 

 

 

 

 

 

 

 

 

Fabric very sheer or very soft.

 

Use underlay

of tissue

paper.

 

 

 

 

70

Page 71
Image 71
Sears 385.12814, 385.11608 owner manual What to Do When

385.12814, 385.11608 specifications

Sears 385.11608 and 385.12814 are iconic sewing machine models that represent an era when home sewing was a prevalent hobby. These machines, produced by the renowned Sears brand, are often celebrated by sewing enthusiasts for their reliability and ease of use, making them a favorite choice for both beginners and experienced seamstresses alike.

The Sears 385.11608 model is categorized as a mechanical sewing machine that boasts a solid construction, ensuring durability for long-term use. One of its main features is its versatility; it includes a variety of built-in stitches, such as straight stitches, zigzag stitches, and decorative patterns. This flexibility allows users to tackle a range of sewing projects, from simple repairs to creative sewing endeavors. Additionally, it comes equipped with an adjustable stitch length and width, enabling users to customize their sewing according to their specific needs.

The 385.12814 model shares many characteristics with the 11608 but elevates the experience with advanced features. This model is often praised for its user-friendly design, making it accessible to new users while still providing the functionality sought after by experienced crafters. The 12814 includes additional stitch options and a one-step buttonhole feature that simplifies the process of creating perfectly sized buttonholes, adding to its appeal.

Both models leverage various technologies that enhance their performance. They typically incorporate a reliable motor that provides consistent sewing speed, which is crucial for achieving high-quality results. The drop-feed mechanism allows for free motion sewing, enabling users to experiment with quilting and embroidery techniques. Furthermore, the easy-to-thread top-loading bobbin system minimizes frustration and speeds up setup times, ensuring a smoother sewing experience.

In terms of portability, both machines are relatively lightweight and come with a carrying case, making them convenient for sewing classes or meetings. Users appreciate the straightforward maintenance, as the machines require simple cleaning and oiling to keep them running smoothly over time.

Overall, the Sears 385.11608 and 385.12814 models stand out in the realm of home sewing machines due to their combination of functionality, ease of use, and classic reliability. They continue to serve as a trusted companion for countless sewing enthusiasts, reflecting the sewing culture that inspired their production. As vintage models, they remain sought after by collectors and users who value the craftsmanship and innovative design of these enduring machines.