Bernina Bernette 42 operation manual
Instruction Manual
TABLE OF CONTENTS
NAME OF PARTS
Details of machine 6
ACCESSORIES
Standard 8
Needle Information 8
HOW TO OPEN LOOPER COVER
Principal Parts behind the Looper Cover 9
PREPARATION TO SEWING
Power Switch 9
Foot Controller 10
PREPARATION FOR THREADING
Setting up the Retractable thread stand 11
Spool net 11
Spool Cap 11
HOW TO REMOVE AND INSERT NEEDLES
Needle Position 12
To Remove Needle(s) 12
To Insert Needle(s) 13
DIFFERENTIAL FEED
Gathered Coverstitch (1–2.0) 26
Stretch Coverstitch (1–0.6) 26
HOW TO SEW A CHAINSTITCH
2–Thread Chainstitch 27
HOW TO SEW A COVERSTITCH
Machine set up 28
Additional Information About Coverstitch 29
3–Thread Coverstitch 30
4–Thread Coverstitch 31
SECURING THE SEAM END
MACHINE MAINTENANCE
Cleaning the Machine 33
Oiling the Machine 33
OPTIONAL ACCESSORIES
Snap–On Type Presser Foot 34
Optional Cover Presser Feet 35
TROUBLESHOOTING
Stitch Overview
THREADING THE MACHINE
Threading Diagram Chainstitch 15
Threading Diagram Coverstitch 15
Threading the Chainstitch/Coverstitch Looper
(Violet) 16
Threading the Right Coverstitch Needle (Blue) 18
Threading the Center Coverstitch/Chainstitch
Needle (Green) 20
Threading the Coverstitch Needle (Yellow) 22
HOW TO CHANGE THREADS
Tie on method 24
HOW TO ADJUST
Stitch lenght dial 25
Presser Foot pressure 25
FABRIC, THREAD AND NEEDLE CHART
SPECIFICATION
Technical Summary 38
3
IMPORTANT
Precautions should always be followed,
including the following:
Read all the instructions before using this
machine.
In general when the machine is not in
use, it should be disconnected from
the electricity supply.
DANGER!
As a protection against electrical shock:
1. The machine should never be left
unattended when plugged in.
2. Always unplug this machine from
the electrical outlet after using and
before cleaning.
3. LED Radiation. Do not view directly
with optical instruments. Class 1M
LED product.
WARNING!
As a protection against burns, fire, electric
shock or injury to persons:
1. Use this machine only for purposes
as described in this manual. Use
only attachments, accessories and
parts recommended by the
manufacturer.
2. Do not allow this machine to be
used as a toy. Close attention is
necessary when this machine is
used by or near children. The
machine is not intended for use by
persons (and children) with reduced
physical, sensory or mental
capabilities or lack of experience
and knowledge. Unless they have
been given supervision or instruction
concerning use of the machine by a
person responsible for their safety.
To ensure children do not play with
the machine they must be
supervised.
Never operate this machine if:
⦁
the cord or the plug are damaged,
⦁
it is not working properly,
⦁
it has been dropped or damaged,
⦁
it has fallen into water.
3. Return the machine to your local
authorized BERNINA dealer for
examination or repair.
4. Never operate the machine with any
air openings blocked. Keep
ventilation openings of the machine
free from the accumulation of lint,
dust and loose cloth.
5. Keep fingers away from all moving
parts. Special care is required
around the sewing needle and the
knife.
6. Never insert any objects into any
openings on the machine.
7. Do not use the machine outdoors.
8. Do not operate the machine where
aerosol products (sprays) or oxygen
are being used.
9. Do not pull or push the fabric while
stitching. This can result in needle
breakage.
10. Switch the machine off «0» when
making any adjustments in the
needle area, such as threading the
needle, changing the needle,
threading the looper, or changing
the presser foot.
11. Always unplug the machine from the
electrical outlet when removing
covers, when covers are opened to
raise the knife or thread the loopers,
when lubricating or when making
any other user servicing adjustments
mentioned in the instruction manual.
12. Do not use bent needles.
4
13. Always use the original BERNINA
stitch plate. The wrong stitch plate
can cause needle breakage.
14. This machine is provided with double
insulation (except for USA and
Canada). Use only original spare
parts. See instructions for servicing
of double–insulated products.
15. Use only foot controller provided
with this machine. (Type 4C–316B
for USA & CANADA only).
All rights reserved
For technical and product improvement reasons, the machine‘s features, parts and
accessory are subject to unannounced
changes and alterations at any time. The
accessory included can differ from country
to country.
SERVICING OF DOU-
CAUTION:
This machine is intended for household
use only. If used intensively or commercially, regular cleaning and especially
attentive care is required.
Signs of wear and tear owing to intensive
or commercial use are not covered automatically, even if they occur within the
warranty period. The decision on how to
deal with any such cases rests with the
local authorised servicing staff.
PLEASE NOTE:
If the machine is stored in a cold room, it
should be brought to a warm room about
one hour before use.
SAVE THESE
INSTRUCTIONS!
BLE–INSULATED
PRODUCTS
In a double–insulated product two
systems of insulation are provided instead
of grounding. No grounding means is
provided on a double–insulated product,
nor should a means for grounding be
added to the product. Servicing a double–
insulated product requires extreme care
and knowledge of the system and should
be done only by qualified service
personnel. Replacement parts for a
double–insulated product must be
identical to the original parts in the
product. A double–insulated product is
marked with the words: «Double
insulation» or «Double insulated».
The symbol may also mark such a
product.
Europe only: This appliance may only be
used by children over eight and by persons
with reduced physical, sensory or mental
capabilities or by persons who lack experience and knowledge of how to operate the
machine under supervision, after instruction on how to use the equipment safely
and once they have understood the potential dangers. Children shall not play with
the appliance. Cleaning and user maintenance shall not be made by children without supervision.
Outside of Europe (except for the USA and
Canada): This appliance may only be used
by persons (including children) with
reduced physical, sensory or mental capabilities or by persons who lack experience
and knowledge of how to operate the
machine under supervision and after
instruction on how to use the equipment
safely by a person responsible for their
safety. Children should be supervised to
ensure that they do not play with the appliance.
5
1
2
4
7
8
9
10
11
13
14
12
3
5
6
15
NAME OF PARTS
Details of machine
Retractable thread stand
Carrying handle
Cover left needle thread tension dial (yellow)
Cover center needle thread tension dial (green)
Cover right needle thread tension dial (blue)
Chain stitch looper thread tension dial (violet)
Stitch plate
Sewing table
Looper cover
Power / Light switch
Stitch length dial
Handwheel
Thread stand
Spool stabilizer
Spool pin
6
16
17
18
19
Presser foot lifter
Differential feed dial
Presser foot pressure wheel
Standard presser foot Coverstitch
7
7
11
10
6
98
12
3
5
4
ACCESSORIES
Standard
Screw driver (large size)
Oiler
Spool net (4x)
Spool cap (4x)
Brush
Needle set (ELx705)*
Needle Threader / inserter
Allen screw driver (small)
Tweezers
Spool stabilizer (4x)
Dust cover
8
Needle Information
This overlock uses a flat shank industrial needle
(ELx705).
Do not attempt to use a standard household
sewing machine needle of any size or type in
this overlock.
Needle ELx705 size 80/12 is furnished with the
machine.
Only use needles of system ELx705 sizes 70/10
- 90/14.
2
1
2
1
1
2
OFF
ON
2
1
1
2
HOW TO OPEN LOOPER
COVER
CAUTION:
Be sure to turn off power switch.
1. Push the looper cover to the right as far as it will
go.
2. Pull looper cover down toward you.
CAUTION:
Be sure looper cover is closed when sewing.
Cover
(1) Standard presser foot
(2) Chainstich /Coverstitch looper
PREPARATION TO SEWING
Power Switch
Principal Parts behind the Looper
– Connect the controller/electric plug to the
machine receptacle.
– Plug power line into electric outlet.
– Push " l " mark side to turn "ON"
– Push "O" mark side to turn "OFF"
9
OFF
ON
2
1
1
2
Foot Controller
– To run the machine and control the speed,
press the controller.
– The harder you press, the faster the machine
will sew.
– To stop the machine from sewing, remove your
foot from the controller
CAUTION:
Use only foot controller provided with this
machine. (Type 4C–316B for USA & CANADA
only). Be sure to make reference to “Warning”
on following Page.
• Polarized plug information
(FOR USA & CANADA ONLY)
This appliance has a polarized plug (one blade wider
than the other). To reduce the risk of electric shock,
this plug is intended to fit in a polarized outlet only way.
If the plug does not fit fully in the outlet, reverse the
plug.
If it still does not fit contact a qualified electrician to
install the proper outlet. Do not modify the plug in any
way.
CAUTION:
– Be sure that the electrical voltage of the
electric outlet (wall receptacle) is the same as
the rated voltage of the motor.
– Handle the foot controller with care and avoid
dropping it on the floor. Be sure not to place
anything on top of it when not in use.
– Disconnect the power line plug from the
electric outlet when changing needles,
presser feet or when leaving the machine
unattended. This eliminates the possibility of
starting the machine by accidentally pressing
the controller.
10
PREPARATION FOR
3
2
1
THREADING
Setting up the Retractable thread
stand
– Take out the retractable thread stand from the
top of Styrofoam, and insert it as shown on the
left illustration.
– This machine is shipped with the retractable
thread stand on the top of styrofoam.
– Fully extend the retractable thread stand.
– The two joints on the telescope will click into
place when they are correctly positioned.
– Center the retractable thread stand above the
spool pins.
– Place thread over the cone adapters on the
spool pins.
Spool net
When using synthetic threads that easily spill off the
cone, slip the spool net (1) furnished with the machine
over the thread from the bottom of the cone leaving
the thread end hanging free at the top the spool net.
Spool Cap
When using a regular thread spool, fit the spool cap
(2) supplied with the machine onto the thread spool
(3).
11
HOW TO REMOVE AND INSERT
C
D
E
D
DCE
E
D
C
C
D
E
D
DCE
E
D
C
C
D
E
1
NEEDLES
Needle Position
– With this machines, three needles can be
inserted to the Needle holder as shown.
– The Stitch overview refers to different needle
positions by illustrating the Needle holder.
PLEASE NOTE:
When all coverstitch needles are inserted, the
left needle will be slightly higher than the others.
To Remove Needle(s)
CAUTION:
Be sure to disconnect the machine from the
electric outlet before removing needle(s).
– Turn the hand wheel counterclockwise until the
needles are at their highest position.
– Hold the needle to be removed with the needle
holder (stored in the looper cover).
– Loosen the setscrew and remove the needle.
(C) Left Coverstitch Needle (LC)
(D) Center Coverstitch Needle (CC)
(E) Right Coverstitch Needle (RC)
CAUTION:
After removing the specific needle which is not
currently to be used for sewing, remember to
fasten the set screw in the screw hole of the
Needle holder and to just fasten tight into the
hole.
Please do not over–tighten the screw into the
hole or the Needle holder will be damaged.
12
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