Mauser MA 2546 User manual

MA 2545

BASIC

PLUS

MA 2546

BASIC

PLUS

INSTRUCTION MANUAL

4153-1-2545-2-2

Taicang 2012-02

215400 Taicang, Jiangsu

This Instruction Manual is valid for all models and subclasses listed in the

chapter " Specifications”.

Index

Co

n

t

en

ts

..................................................................................

P

a

g

e

1

Safet

y

...................................................................................................................................

5

1

.01 Directive

s

...............................................................................................................................

5

1

.02 General notes on safety .........................................................................................................

5

1

.03 Safety symbols ......................................................................................................................

6

1

.04 Important points for the use

r

.................................................................................................

6

1

.05 Operatin

g

and specialist personne

l

........................................................................................

7

1

.05.01 Operatin

g

personne

l

..............................................................................................................

7

1

.05.02 Specialist personne

l

...............................................................................................................

7

1

.06 Dan

g

er warnin

gs

....................................................................................................................

8

2

Proper use............................................................................................................................

9

3

S

peciﬁ cation

s

...................................................................................................................... 10

3

.

01 MA 2545 / 2546 (BASIC, CLASSIC and PLUS) ...................................................................... 10

3

.

02

M

ax

i

mum spee

d

..................................................................................................................

11

3

.

03

M

ac

hi

ne equ

i

pment an

d

opt

i

on

s

.......................................................................................... 1

2

4

Disposal o

f

Machine .........................................................................................................

.

1

3

5

Transportation, packing and storage ................................................................................ 1

4

5

.

01 Transportat

i

on to customer

‘

s prem

i

se

s

................................................................................ 1

4

5

.

02 Transportat

i

on

i

ns

id

e t

h

e customer

‘

s prem

i

ses ................................................................... 1

4

5

.

03 Disposal of packing materials ............................................................................................... 1

4

5

.

04 Stora

g

e .................................................................................................................................. 1

4

6

Explanation of symbol

s

.....................................................................................................1

5

7

C

ontrols ............................................................................................................................... 1

6

7

.

01

O

n/off switch ........................................................................................................................ 1

6

7

.

02

S

ewing lamp switch (only on the MA 2545 / 2546

C

LA

SS

IC ans PLUS .............................) 1

6

7

.

03

P

edal ....................................................................................................................................

17

7

.

04 Keyboard on machine head (only on the MA 2545 / 2546

C

LA

SS

I

C

ans PLU

S

)

18

7

.

05

K

nee sw

i

tc

h

(

opt

i

on

)

.............................................................................................................

20

7

.

06 Knee lever (only on the MA 2545 / 2546 BA

S

I

C

)

20

7

.

07 Presser foot fixing key

2

1

7

.

08 Adjusting the stitch length (on the MA 2545 / 2546 BA

S

I

C

and

C

LA

SS

I

C

)

2

1

7

.

09 Adjusting the stitch length (on the MA 2545 / 2546 PLU

S

)

22

7

.

10 Reverse feed lever ...............................................................................................................

22

7

.

11 Ad

j

usting the top feed stroke (on the MA 2545 / 2546 BA

S

I

C

and

C

LA

SS

I

C

)

23

...................

.........................

....................

.................................................................

................................................

..........................................................................................................

Index

Co

n

t

en

ts

..................................................................................

P

a

g

e

7

.12 Adjusting the top feed stroke (on the MA 2545 / 2546 PLUS ) ..... ......................................

23

7

.13

S

witchable needle thread tension (only on the MA 2545 / 2546 BA

S

I

C

) .............................

.............................................................................

24

7

.14 Bobbin thread control by stitch-counting

25

7

.15 Control panel .........................................................................................................................

25

8

P

reparation

........................................................................................................................

2

6

8

.01 Inserting the needl

e

.............................................................................................................

26

8

.02

Wi

n

di

ng t

h

e

b

o

bbi

n t

h

rea

d

, regu

l

at

i

ng t

h

e w

i

n

d

er tens

i

o

n

..................................................

2

7

8

.03

B

o

bbi

n-c

h

ang

i

ng

/

t

h

rea

di

ng, an

d

regu

l

at

i

ng t

h

e

b

o

bbi

n t

h

rea

d

tens

i

o

n

................................

28

8

.04

S

etting the bobbin thread control function by reverse stitch counting

.....................................

28

8

.05 T

h

rea

di

ng nee

dl

e t

h

rea

d

an

d

regu

l

at

i

ng

i

ts tens

i

on on t

h

e 2545

............................................

29

8

.06 T

h

rea

di

ng nee

dl

e t

h

rea

d

an

d

regu

l

at

i

ng

i

ts tens

i

on on t

h

e 2546

............................................

30

9

Care and maintenance ......................................................................................................

.

31

9

.01 Servicing and maintenance intervals .................................................................................... 31

9

.02 Cleaning the machin

e

.......................................................................................................... 31

9

.03

L

u

b

r

i

cat

i

n

g

........................................................................................................................... 32

9

.04 Checkin

g

/re

g

ulatin

g

the air pressur

e

................................................................................... 33

9

.05 Emptying/cleaning the water bowl o

f

the air filter/regulato ................................................ 33

1

0

W

earing parts ....................................................................................................................

.

34

Safety

5

1

S

afet

y

1

.

01 Directives

T

his machine is constructed in accordance with the European regulations contained in the

conformity and manufacturer’s declarations

.

I

n addition to this Instruction Manual, also observe all generally accepted, statutory and

o

ther re

g

ulations and le

g

al requirements and all valid environmental protection re

g

ulations

!

T

he regionally valid regulations of the social insurance society for occupational accidents or

o

ther supervisory organizations are to be strictly adhered to

!

1

.0

2

G

eneral notes on sa

f

ety

This machine may only be operated by adequately trained operators and only a fter having

completely read and understood the Instruction Manual

!

All Notes on

S

afety and Instruction Manuals of the motor manufacturer are to be read be-

f

ore operating the machine

!

The dan

g

er and safety instructions on the machine itsel f are to be followed

!

This machine may only be used for the purpose for which it is intended and may not be

o

perated without its safety devices. All safety re

g

ulations relevant to its operation are to

b

e a

dh

ere

d

to

.

When exchan

g

in

g

sewin

g

tools (e.

g

. needle, roller presser, needle plate and bobbin),

when threadin

g

the machine, when leavin

g

the machine unattended and durin

g

mainte

-

nance work, the machine is to be se parated from the power supply by switchin

g

off the

On/Off switch or by removin

g

the plu

g

from the mains

!

E

very

d

ay ma

i

ntenance wor

k

i

s on

l

y to

b

e carr

i

e

d

out

b

y appropr

i

ate

l

y tra

i

ne

d

personne

l!

Repairs and special maintenance work may only be carried out by qualified service staff

o

r appropr

i

ate

l

y tra

i

ne

d

personne

l!

Work on electrical equipment may only be carried out by appropriately trained personnel

!

Work is not permitted on parts and equipment which are connected to the power supply!

The only exceptions to this rule are found in the re

g

ulations EN

5

0110

.

Modifications and alterations to the machine may only be carried out under observance

o

f all the relevant safety regulations!

O

nly spare parts which have been approved by us are to be used for repairs! We express

-

l

y po

i

nt out t

h

at any rep

l

acement parts or accessor

i

es w

hi

c

h

are not supp

li

e

d

b

y us

h

ave

not been tested and approved by us. The installation and/or use o f any such products can

lead to negative changes in the structural characteristics o f the machine. We are not liable

f

or any damage which may be caused by non-original parts

.

Safety

6

1

.

03

S

afet

y

s

y

mbol

s

D

anger

!

Points to be observed.

.

Danger of in

j

ury for operating and specialist personnel

!

Caution

Do not operate without finger guard and safety devices

.

Before threadin

g

, chan

g

in

g

bobbin and needle, cleanin

g

e

t

c. switch off main switch.

1

.04 Important points

f

or the user

This Instruction Manual is an inte

g

ral part of the machine and must be available to the

operatin

g

personnel at all times

.

The Instruction Manual must be read be

f

ore operatin

g

the machine

f

or the first time

.

The operating and specialist personnel is to be instructed as to the sa fety equipment of

t

he machine and regarding sa fe work methods

.

It is the duty of the user to only operate the machine in perfect runnin

g

order.

It is the obli

g

ation of the user to ensure that none of the safet y mechanisms are removed

o

r

d

e

act

iv

at

e

d

.

It is the obli

g

ation of the user to ensure that onl y authorized persons operate and work

o

n

t

he m

ac

hine.

Further information can be obtained from y

our Mauser Spezial agent.

Safety

7

1

.

0

5 Operating and specialist personne

l

1

.05.01 Operating personnel

Operating personnel are persons responsible for the equipping, operating and cleaning of

the machine as well as for taking care of problems arising in the sewing area

.

T

he operating personnel is required to observe the following points and must

:

always observe the Notes on Safety in the Instruction Manual!

never use any working methods which could adversely affect the safety of the machine!

not wear loose-fitting clothing or

j

ewelery such as chains or rings!

also ensure that only authorized persons have access to the potentially dangerous area

around the machine

!

always immediately report to the person responsible any changes in the machine which

may limit its safety!

1

.05.02 Specialist personnel

Specialist personnel are persons with a specialist education in the fields of electrics, electro

-

nics and mechanics. They are responsible for the lubrication, maintenance, repair and ad

j

ust

-

m

ent of the machine

.

T

he specialist personnel is obliged to observe the following points and must:

always observe the Notes on Safety in the Instruction Manual!

switch off the

O

n/

O

ff switch before carrying out adjustments or repairs, and ensure that

i

t cannot

b

e sw

i

tc

h

e

d

on aga

i

n un

i

ntent

i

ona

ll

y

!

wait until the luminous diode on the control box is no longer blinking or on be fore begin-

ning ad

j

ustment or repair work

.

never wor

k

on parts w

hi

c

h

are st

ill

connecte

d

to t

h

e power supp

l

y

!

E

xcept

i

ons are exp

l

a

i

-

ne

d

i

n t

h

e re

g

u

l

at

i

ons

EN

5

0110

.

replace the protective coverings and close the electrical control box a

f

er all repairs or

ma

i

ntenance wor

k!

Safety

8

1

.06 Danger warnings

A working area of

1

m

must be kept free both in front of and behind the machi

-

ne, so that easy access is possible at all times

.

Never put your hands or fingers in the sewing area during sewing

!

D

anger of in

j

ury by the needle

!

While setting or adjusting the machine do not leave any objects on the table nor

in the needle plate area! Objects may be trapped or flung out of the machine

!

D

o not run the machine without finger guard

1

!

D

anger of injury by up and down movement of needle!

D

o not run t

h

e mac

hi

ne w

i

t

h

out ta

k

e-up

l

ever guar

d

2

!

D

anger of in

j

ury by moving take-up lever!

D

o not run t

h

e mac

hi

ne w

i

t

h

out

b

e

l

t guar

d

s

3

an

d

4

!

D

anger o

f

in

j

ury by rotating v-belt

!

D

o not operate t

h

e mac

hi

ne w

i

t

h

out t

il

t

l

oc

k

5

!

D

an

g

er of crushin

g

between sewin

g

head and table

!

D

o not operate t

h

e mac

hi

ne w

i

t

h

out support

6

!

D

an

g

er

d

ue to top-

h

eavy

sew

i

n

g

h

ea

d!

M

ac

hi

ne can t

i

p over

b

ac

k

war

d

s w

h

en t

il

te

d!

F

ig. 1 - 0

1

2

1

3

4

5

6

Proper use

9

2

P

roper use

Th

e MA 2545 BASIC, CLASSI

C

an

d

PLU

S

are special high-speed, single needle lock-

stitch sewing machines with unison feed and a large, respectively extra large hook

.

Th

e MA 2546 BA

S

IC, CLA

SS

IC an

d

PLU

S

are spec

i

a

l

hi

g

h

-spee

d

, two nee

dl

e

l

oc

k

st

i

tc

h

sewing machines with unison feed and a large, respectively extra large hook.

The machines are used for sewing lockstitch seams in the textile industry.

Any and all uses o

f this machine which have not been approved o f by the

manufacturer are considered to be inappropriate! The manu facturer cannot be

held liable for any damage caused by the inappropriate use o f the machine!

The appropriate use of the machine includes the observance o f all operational,

ad

j

ustment, maintenance and repair measures required by the manu

f

acturer

!

Specifications

1

0

3

S

peciﬁ cation

s

3

.

0

1 MA 2545 / 2546 (BA

S

I

C

,

C

LA

SS

I

C

and PLU

S

)

S

titch type: ........................................................................................................

.

3

01

(l

oc

k

st

i

tc

h)

N

ee

dl

e system: .............................................................................................................

.

1

3

4-

35

V

ersion CN; CN9; CN12

:

............................................

.

f

or processin

g

medium-heavy materials

V

ers

i

on

DN

;

DN

12

:

...................................................................

.

f

or processing heavy materials

N

eedle size in 1/100 mm:

V

ersion

C

N9:

..............................................................................................................

11

0

– 14

0

V

ers

i

on

DN

12:

...........................................................................................................

15

0

–

200

M

ax. st

i

tc

h

l

engt

h

:

V

ersion

C

N; DN:

...............................................................................................................

6

mm

V

ersion

C

N9:

....................................................................................................................

9

m

V

ersion

C

N12; DN12:

.....................................................................................................

12 m

m

M

ax.t

h

rea

d

s

i

ze

(

synt

h

et

i

c

):

V

ersion CN.. :

..................................................................................................................

1

5

/

3

V

ers

i

on

DN

.. :

....................................................................................................................

8

/

3

Presser foot clearance:

..................................................................................................

20

m

Clearance width:

..........................................................................................................

3

5

0

m

Clearance height:

.........................................................................................................

1

20

m

B

e

d

p

l

ate

di

mens

i

ons:

.......................................................................................

6

4

0

x

200

m

N

o

i

se

d

ata

:

N

oise emission level at workplace with a sewing speed o f 2400 spm

:

............

L

pA

< 80

dB(A)

(Noise measurement in accordance with DIN 45 635-48-A-1, I

SO

11204, I

SO

3744, I

SO

M

otor

d

ata:

....................................................................

S

ee instruction manual for th

e

mo

t

o

r

L

ea

k

age curren

t

...........................................................................................................

<

5 m

A

Ai

r consumpt

i

on per sw

i

tc

h

cyc

l

e:

...............................................................................

0

.146 N

I

N

et weight of sewing head:

.................................................................................

approx. 72

kg

G

ross weight of sewing head

:

.............................................................................

approx. 82

kg

S

ub

j

ect to alterations

Due to the use o

f

network filters there is a nominal leakage current o

f

<

5 mA.

synthetic, or other sizes of comparable thread types

K

pA

=

2

,

5

dB

Specifications

11

T

op

f

eed li

f

t

S

titch len

g

th ran

g

e

M

ax. spee

d

/

spm

o

n vers

i

on C an

d

w

i

t

h

l

arge

h

oo

k

M

ax. speed / spm on

version

C

and with

e

xtra-lar

g

e hook

M

ax. s

peed / spm

o

n version D and with

lar

g

e hook

M

ax. spee

d

/

s

p

m on

vers

i

on

D

an

d

w

i

t

h

e

xtra-

l

ar

g

e

h

oo

k

1 -

2

m

u

p to

9

mm

3800

3400

3

000 2700

2

,5 - 4 mm

u

p to 9 mm

3200

2800

2

80

0

2700

4

,

5

-

5

mm

u

p to 9 mm

2600

2

00

2

4

00

2

00

5

,

5

-

7

mm

u

p to 9 mm 200

0

1

80

0

1

800

1

80

0

7,5 -

9

mm

u

p to

9

mm

1800

1

600

1

600

1 - 2 m

m

9

,5 - 12 mm

2200

2

,5 - 4 mm

9

,5 - 1

2

mm

2

00

2

00

2

00

2

00

4

,

5

-

5

mm

9

,5 - 1

2

mm

2

00

2

00

2

00

2

00

5

,

5

-

7

mm

9

,5 - 12 mm

20

00

1800

2000

1800

7,5 -

9

mm

9

,5 - 12 mm

1800

3

.

0

2 Maximum speed

T

he max. speed on the MA 254

6

with needle gauge larger than 20 mm is

2000

spm

.

Specifications

1

2

3

.0

3

M

achine equipment and options

MA

2545

/

2

54

6

BA

S

IC

C

LA

SS

IC

PLU

S

V

et

i

ca

l

h

oo

k

,

l

arg

e

Vetical hook, extra lar

g

e

Thread trimmer (-900/81), < 13 mm rest thread

-

Thread trimmer (-900/82), < 5 mm rest threa

d

-

Thread puller (-909/12), controlle

d

-

Presser foot lift, manual via knee lever

-

Presser foot lift (-910/04), electropneumati

c

-

Manual backtacking with mech. hand switc

h

A

utomat

i

c

b

ac

k

tac

ki

ng

(

-911

/

35

)

, e

l

ectropneumat

ic

-

1 preselectable stitch len

g

t

h

-

2

prese

l

ecta

bl

e st

i

tc

h

l

en

g

t

h

s, can

b

e sw

i

tc

h

e

d

a

l

ternate

ly

-

2 preselectable thread tensions, one can be switched on manually

-

2 preselectable thread tensions, one can be switched on electropneu

-

mat

i

ca

ll

y

b

y

h

an

d

sw

i

tc

h

-

1 presser foot stroke, manually ad

j

ustable, top feed stroke up to max. 9 mm

-

2 presser foot strokes, manually ad

j

ustable, preselectable quick stroke

ad

j

ustment with hand switch (electropneumatically controlled

)

-

Drop feed, adjustabl

e

O

il level control through inspection glass

Oil level on display, with warnin

g

li

g

ht on machine head

-

Presser foot pressure, manually ad

j

ustabl

e

C

l

utc

h m

oto

r

-

D

C

-motor functionality EcoDrive MA74 ED-L

-

C

ontrol panel - PicoTop

-

Integrated multiple switch on machine head + programmed multi switch

-

Inte

g

rated LED sewin

g

lamp on sewin

g

head, dimmabl

e

B

o

bbi

n t

h

rea

d

w

i

n

di

ng

d

ev

i

c

e

Attachment slider

Bobbin thread monitorin

g

with thread detectio

n

-

S

afety couplin

g

= stan

d

ar

d

, = opt

i

ona

l

Disposal of Machine

13

4 Disposal of Machine

Proper disposal of the machine is the responsibility of the customer

.

The materials used for the machine are steel, aluminium, brass and various plastic

mater

i

a

l

s. T

h

e e

l

ectr

i

ca

l

equ

i

pment compr

i

ses p

l

ast

i

c mater

i

a

l

s an

d

copper.

The machine is to be disposed of according to the locally valid pollution control regulations;

if necessary, a specialist ist to be commissioned.

Care must be taken that parts soiled with lubricants are disposed of separately

according to the locally valid pollution control regulations

!

Transportation, packing and storage

1

4

5

Transportation, packing and storage

5

.01 Transportation to customer‘s premise

s

T

he machines are delivered completely packed

.

5

.

0

2 Transportation inside the customer‘s premise

s

T

he manufacturer cannot be made liable for trans portation inside the customer‘s premises

n

or to other operatin

g

locations. It must be ensured that the machines are onl y transported

i

n an upr

i

g

h

t pos

i

t

i

on

.

5

.0

3

Disposal of packing materials

T

he packing materials of this machine comprise paper, cardboard and VCE fibre. Proper dis

-

p

osal of the packin

g

material is the responsibility of the customer.

5

.04

S

torage

I

f the machine is not in use, it can be stored as it is for a period of up to six months, but It

should be protected a

g

ainst dust and moisture

.

I

f the machine is stored for lon

g

er periods, the individual parts, especially the surfaces of

movin

g

parts, must be protected a

g

ainst corrosion, e.

g

. by a film of oil

.

Explanation of symbols

15

6 Explanation o

f

symbol

s

In this instruction manual, work to be carried out or important information is accentuated by

symbols. These symbols have the following meanings:

Note, in

formatio

n

Cleaning, car

e

L

u

b

r

i

cat

i

o

n

Maintenance, repairs, ad

j

ustment, service wor

k

(only to be carried out by technical sta

ff

)

Controls

1

6

7

C

ontrol

s

7

.01 On/off switch

Fig

. 7 - 01

1

Machines with Quick-EcoDrive

Th

e power supp

l

y to t

h

e mac

hi

ne

i

s sw

i

t

-

ched on or off by turnin

g

switch

1

.

7

.

0

2

S

ewing lamp switch

(

only on the MA 2545 / 2546 CLASSIC ans PLUS )

S

witch the sewin

g

lamp, which is inte-

g

rated in the machine head, on or off by

o

peratin

g

switch

1

.

F

ig. 7 - 01

b

1

Controls

17

7

.

0

3

P

eda

l

W

ith the on/off switch on

0

=

M

ac

hi

ne stop

+

1

= Sew

-

1

= Raise presserfoot

-

2

= Tr

i

m t

h

rea

d

(

on mac

hi

nes w

i

t

h

t

h

rea

d

tr

i

mmer

)

Fig

. 7 - 03

0

+1

-1 -2

Controls

1

8

7

.04

K

e

y

board on machine head (only on the MA 2545 / 2546 CLASSIC ans PLUS )

Th

e mac

hi

ne

h

as a

k

ey

b

oar

d

w

i

t

h

8 keys to activate di

ff

erent

f

unctions

.

I

n the keys 2

–

7

there are yellow LEDs. These shine when the respective function has

b

een a

ll

ocate

d

to

k

ey

1

.

G

reen LEDs are located above the keys

2

-

7

. The

s

e

s

hine when

t

he f

u

n

ct

i

o

n h

as

b

een

act

iv

at

e

d

.

A

bove key

1

there are two symbol lamps.

L

amp

A

indicates the status of the bobbin thread control

.

Lamp

B

shines when the minimum level of the oil su pply has been reached

.

W

hen the keys

1

–

8

are operated, the functions listed below are carried out

.

K

ey

1

: The functions of the keys

2

-

7

can

b

e a

ll

ocate

d

to t

hi

s

k

ey.

To program

k

ey

1

, simultaneously press one of the keys

2

-

7

an

d

k

ey

1

for approx.

3

secon

ds

. The function of the selected key is taken over and the yellow LED in this

k

ey

li

g

h

ts up

K

ey 2: Reverse sew

i

n

g

or

i

nterme

di

ate

b

ac

k

tac

k

s

d

ur

i

n

g

t

h

e seam

.

Under Parameter 6

34

other functions can be assigned to this key

:

S

et value

O

N =

F

ee

d

a

dj

ustment w

h

en mac

hi

ne

h

as stoppe

d

an

d

w

h

en

mac

hi

ne

i

s runn

i

ng

(

stan

d

ar

d)

O

FF =

F

ee

d

a

dj

ustment on

l

y w

h

en mac

hi

ne

i

s runn

i

n

g

Fi

g

. 7 - 04

2

1

3

5

7

8

B

A

O

nly on the Version PLU

S

4

6

Controls

19

K

ey

3

:

N

ee

dl

e pos

i

t

i

on c

h

an

g

e

U

n

d

er P

a

r

a

me

t

er

695

other

f

unctions can be assi

g

ned to this key:

S

et value 0 =

O

ff

1 = nee

dl

e ra

i

se

d

w

i

t

h

out tr

i

mm

i

ng

een = 2

dl

e pos

i

t

i

on c

h

ange

(

stan

d

ar

d)

3 = s

i

ng

l

e st

i

tc

h

4 = s

i

ng

l

e st

i

tc

h

i

n revers

e

5 = moving forwards to needle position step by ste p

6 = programmable tack on / off

Key 4: Calling up the pre-selected top feed lift

.

(Diode on = high lift, diode off = low lift).

U

nder Parameter 4

01

other functions can be assigned to this key

:

Set value 0 = Off

1 = when key pressed constant second stroke (standard

)

2 = second stroke only as long as key presse

d

If this key is operated, the second voltage is switched on

This function can be switched off under Parameter

7

64

K

ey

5

: Bartack suppression

f

or one bartack

U

nder Parameter

780

other

f

unctions can be assigned to this key

:

S

et value 0 =

O

ff

1

=

t

ac

k

i

nvers

i

on once

(

stan

d

ar

d)

2

=

t

ack suppression (all tacks switched o

ff

)

3

= reverse move to nee

dl

e pos

i

t

i

on step

b

y step

4

=

e

dge trimmer on / o

ff

5

=

p

rogrammable tack on / o

ff

Key 6: Calling up the pre-set stitch lengt

h

Diode on = lar

g

e stitch len

g

th, diode off = small stitch len

g

th

.

This

f

unction can be switched o

ff

under Parameter

7

8

6

.

K

ey

7

: I

f

this key is operated, the second t

h

rea

d

tens

i

o

n

i

s sw

i

tc

h

e

d

on.

I

f

this key is pressed

f

or longer than about

2

secon

d

s, t

h

e mac

hi

ne moves to t

h

e

t

h

rea

di

ng pos

i

t

i

on - t

h

e nee

dl

e

i

s ra

i

se

d

an

d

t

h

e motor start

i

n

hibi

tor

i

s act

i

vate

d

(

sew

i

ng t

h

rea

d

s are not tr

i

mme

d)

.

I

f

the key is operated again, the motor start inhibitor is deactivated agai

n

K

ey

8

: EMERGENCY KEY

.

N

ee

dl

e

i

s ra

i

se

d

w

i

t

h

out tr

i

mm

i

ng, t

h

e t

h

rea

d

c

l

amp

i

s opene

d

, t

h

e t

h

rea

d

tension is released, the presser

f

oot raised and the motor start inhibitor activated

(di

o

d

e a

b

ove t

h

e

k

ey

li

g

h

ts up re

d)

.

I

f

the

"

s

cro

l

"

k

ey on t

h

e contro

l

pane

l

i

s presse

d

, t

h

e motor start

i

n

hibi

tor

i

s

d

eact

i

vate

d

a

g

a

i

n

.

T

he method

f

or settin

g

parameters is described in the settin

g

s manual, and

m

ay only be carried out by certifi ed pro

f

essionals!

Controls

2

0

7

.05

K

n

ee

switch

(

opt

i

on

)

Depending on how the machine is equip

-

p

ed, the following functions can be called

up w

i

t

h

t

h

e

k

nee sw

i

tc

h

:

1

.

O

n machines with centre guide (sub-class

-

63

/

2

4

)

t

hi

s can

b

e engage

d

or

di

sen-

gage

d

b

y operat

i

ng t

h

e

k

nee sw

i

tc

h

.

2

.

B

y operat

i

ng

k

nee sw

i

tc

h

1

i

t

i

s poss

ibl

e

to a

l

ternate

b

etween two pre-se

l

ecte

d

feed stroke settings.

For the high stroke setting the

speed is reduced

.

The knee switch function can

be altered, see the instruction

manual for the control panel

.

7

.

06

K

n

ee

l

e

v

e

r

(

only on the MA 2545 / 2546 BA

S

I

C

)

B

y pressing the knee lever

1

in the

direction o

f

the arrow, the presser

f

oot is

ra

i

se

d

.

Fi

g

. 7 - 0

6

Fi

g

. 7 - 05

1

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