Global BH 1000 Quick start guide
MODEL GLOBAL
BH
1000
EYELET
BUTTONHOLE
MACHINE
PARTSAND
SERVICE
MANUAL
MACHINE
SERIAL
N•-
I.____
______
___,
GLOBAL
BH
1000
TABLE
OF
CONTENTS
A-INTRODUCTION Page
l.INS1RUCTIONFORSAFETYOFWORK
..................................................................................................................... 1-l
2. INS1RUCTIONS FOR
TilE
SECURITY
OF
THEOPERATORAND MAINTENANCE ...............................................................................................................
1-2
3.LISTOFTilESAFETYLABELSANDDEVICES ............................................................................................................
1-4
4.POSITTONOFTilELABELSANDilffiSAFETYDEVICES ...........................................................................................
1-5
B-MACHINEINSfALLATION
1.CONTENTOFTHESHIPPINGBOX ...............................................................................................................................
1-<i
2.MACHINEUNPACKINGANDASSEMBLING ...............................................................................................................
1-7
3.ADWSTMENTOFTHE
T-BELT1ENSIONFORSEWING
........................................................................................ 1-10
4.ADWSTMENTOFTHELEFTT-BELTIBNSION
........................................................................................................
1-11
5.THREADSTANDINSTALLATION .............................................................................................................................. 1-12
C-OPERATORINSTRUCTIONS
l.PREPARINGTDSEW
...................................................................................................................................................
1-13
2.NEEDLEINSTALLATION .............................................................................................................................................
1-14
3.11:IREADING .................................................................................................................................................................. 1-14
D-MACHINEADJUS1MENT
1.
STITCHESDENSITYADWSTMENT-STRAIGHTSECTION .....................................................................................
1-17
2.ADWSTMENTOFTHE
STITCHESDENSITYINTHEEYE........................................................................................
1-20
3.LENGTHSOFTIJESEWING.........................................................................................................................................
1-21
4.
CHANGEOFTHEBUTTONHOLESHAPE
-CHANGEOFTHELAIBRALCAM
......................................................................................................................... 1-22
5.CHANGEOFTHEWID1HBIIB
...................................................................................................................................
1-23
6.PRINCIPLESOFSEWING .............................................................................................................................................
1-26
7.BEDPLAIEALIGNMENT ............................................................................................................................................
1-32
8.
SETTINGOFTIIECAMPOSITTON .............................................................................................................................
1-32
9.
TURNINGMECHANISM..............................................................................................................................................
1-33
10.STOPPINGMECHANISM...........................................................................................................................................
1-35
11.
SETTING-UPOFTHEMECHANISMFORFABRICCLAMPING ...............................................................................
1-37
12.
CLAMPPLAIE
SPREADING ......................................................................................................................................
1-38
13.LENG1HSETTING-UPOFTHESECONDBUTTONHOLEROW......,........................................................................
1-39
15.
NEEDLEBARHEIGHT................................................................................................................................................
1-40
16.ADJUSTMENTOFT.HELOOPERSTDilffiNEEDLE ................................................................................................
1-41
17.SPREADERSADWSTMENT ......................................................................................................................................
1-42
18.ADJUSTMENTOFTHELOOPERSMOVEMENT ......................................................................................................
1-43
19.
SETTING-
UP
OFTHESPREADERSMOVEMENT ...................................................................................................
1-46
20.CUTIINGLEVERANDANVIL ...................................................................................................................................
1-47
21.KNlFEANDCUTTINGSIBELCHANGE ....................................................................................................................
1-48
22. CUTTING SPACEMODIFICATION ............................................................................................................................
1-50
23.CUTBEFOREANDCUTAFTER ................................................................................................................................
1-51
24.KNlFEADWSTMENTFORUPPER
THREADTRIM .................................................................................................
1-52
25. THREADDRAWOFFMECHANISM.........................................................................................................................
1-54
E-MACHINEMA.INTENANCE
l.CLEANINGANDMAIN1ENANCETHEMACHINE ...................................................................................................
1-55
2.PERIODICMAINTENANCE .........................................................................................................................................
1-56
3.MACHINELUBRICATION ...........................................................................................................................................
1-57
4.
MACHINEDISPOSAL .................................................................................................................................................
1-58
F
-DOCUMENTATION
I. ELECTRICALWIRINGDIAGRAMS ............................................................................................................................
1-59
ASSEMBLYDIAGRAM ...................................................................................................................................................
1-{iQ
DIAGRAMOFCONNECTION IN+PE l 15V/60Hz ............................................................................................................
1-<il
DIAGRAMOF CONNECTION IN+PE230V/50Hz ............................................................................................................
1-<i2
DIAGRAMOFCONNECTION3N+PE400V/50Hz ............................................................................................................
1-<i3
DIAGRAMOFCONNECTION3N+PE230V/60Hz............................................................................................................
l-<i4
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
GLOBAL
BH
1000
A - INTRODUCTION
1.
INSTRUCTION
FOR
SAFETY
OF
WORK
The sewingmachine
BH
1000
is
designed andproduced
to
be highlyreliable. Special atteution
is
givenfor
securing
of
the service simplicity and effective safety protection
of
the operators and machinemaintenance.
ThemachineBH
1000
has
safety
appliance whichprotects operatorbutalso machine
and
respects valid
safety andhygienic
rules
for
usual
technological using
of
themachine. These safety appliances includeplug
of
supply, operating switch(circuitbreaker) and covers.
Thereare safety labelsplaced
on
the machine for warning for supplementary
danger.
Do notremove and
damage
1hese
labels. Whenthe label
is
damaged, order
1he
newone. The saidprecautions cannotcover all
safety aspects that
is
why
operator beforeusing ofthe machinehas
to
readand understand
to
this instruc-
tions. The mistakeswill
be
eliminated during machine installationand during
its
ownoperation. Do nottry
to
put1hemachine into operationwithoutreading all
1he
machineinstructions anduntilwellunderstanding
to
every function andprogress.
Thereare
1hree
types
of
safety
direction
in
1hese
instructions:
DANG
ER!
Possible lossoflife.
WARNING!
Possible serious injury or machinedamage.
NOTICE!
Possible injury or machine damage.
Itis recommended
to
serviceworkers from our company oversawto the installationandinitialtraining
of
mechanics andoperators.
Strictlygiven safety program, whichpart
is
1he
direction
for
safety operation,
is
1he
mosteffective security
of
1he
workers safetyduring the operating
wi1h
the machine. The secure work withthe machine
is
ensuredby
the
safetycoverswhich
are
useful,
if
they
are
mountedand fixed correctly. The warninglabels and service
mustbe done according
to
the instructions. Operators and serviceworkers should wear safety goggles.
1-1
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
GLOBAL
BH
1000 A - INTRODUCTION
2.
INSTRUCTIONS
FOR
THE
SECURITY
OF
THE
OPERATOR
AND
MAINTENANCE
When
the
machine
is
set
to
the
working
area, it is
recommended
to
keep
the
mirumal distancesaid inthe
drawing.
DANGER!
Before
machine
connectionto
the
power
make
sure,
whether
all safety covers
are
mounted.
lfit
is
necessaryto
remove
some safetycovers,switch
off
the
operatingswitch(circuitbreaker)
and
·
disconnect
the
machine
by
the
fork
of
supply from
the
socket
Do
not
connect
the
machine
to
the
power
if
some
cover
is removed.
WARNING!
1-2
Remember
the
position
of
the
operatingswitch(circuitbreaker) so thatis possibleuse
it
fromthe
arbitraryposition.
Make
sure, whether supply
of
energy anditsdimensioning
and
safeguardingallowspermanent
supply
of
energy
needed
for dependableoutput
of
the
machine.
Do
not
forgetto
persuade
yourself
beforefork connection
to
the
socketwhether
both
switches
on
the
machine
areswitchedoff.
Check
if
the
electrical cables are
not
damaged, so
that
be
touch
with
uncoveredconductor, can
not
occur
any mJury.
Check
regularly
if
the
safetycovers are correctly
mounted
and
whetherthey are
not
damaged.
\Vhen
the
coversare demaged,repair
or
replace
them
immediatelyfor the
new
ones.
Do
not
switch
the
machine
on
withoutcovers.
Do
not
touch
rotary shafts
by
hands.
In
any
circumstance,
do
not
put hands to 1he needle space.
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
GLOBAL
BHI000
A - INTRODUCTION
Beforechangingthe needle, switchoffthe operating
sv.~tch
(circuitbreaker).
In
casewhenthe operatorwillnotworkonthe machine, disconnectthe powersupply by removing
theplug from the socket.
Beforecleaning or
any
maintenanceworkon the machine, disconnectthe power supply by removing
the plugfromthe socket.
Do notadjustthe machine in any
way,
whichcould endanger its
safety.
Everypart
of
themachinecanbedangerous,
if
there
is
incorrectmanipulation or faulty
maintenance
mth
themachine That
is
why
everybody,
who
willmanipulate, maintain or operate
mth
this machinemust be acquaintedmthinformations includedin
this
manual.
CAUTION!
Performallregular service
as
described
by
thismanual.
If
there
is
any
problemwithpower supply, turnoffthe mine power smtch(circuitbreaker).
Do notremove, paintover, damage orany way change safety labels.
If
a safety labels arelostor
cannotbe easily read, orderthe newone
in
ourfactory and place them onthe original place.
Longhairandloose clothing may bedangerousnear any machinery. Always contain longhairand
avoid loose clothing,
so
thatitcannot
be
caughtby machinery and cause
injury.
Neveruse thismachine whileunder the influence
of
drugs oralcohol.
If
anything seems
to
beoperatingincorrectlyin
the
machinecall
for
maintenanceassistance
immediately.
Be
sure
thatthere
is
adequate lightfor safe operation. Anormalminimum lightlevel
is
750 Lux.
1-3
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
GLOBAL
BR
1000 A - JNTRODUCTION
3.
LIST
OF
THE
SAFETY
LABELS
AND
DEVICES
0 GLeBAL
BH
1000
0 Standardlabel.
@ Rotational direction(located ontherightcover, leftside ofthe rear cover, motor).
© Warning bythecover removing (front cover
of
theframe, rightcover ofthe
drive,
rear folding cover,
motorcover).
0 Label
of
the safety conductorclip.
0 Necessity ofthe safety goggles using(se\\'lllghead front part, above the needle).
@ Externalcovers
of
themachine folding
or
dismantlingbythe
tools.
fl
Guard ofthe upper end
of
the needle
bar.
@ Fixed guard
of
theneedle area.
0 Foldingtransparenteye guard- in front ofthe needle area.
® Axisofthetilting head located irregularly
to
the driving axis.
This
solutionensurewithdrawing ofthe
belts fromthe driving pulleys
for
lifting oftheheadfor cleaningandmaintenance work .Whenthe
motor
is
switchedon, the mechanisms
of
the sewing headwillnotmove.
G) Folding frontcover, whichprecludesthe fingers insertingbetween
the
moving working board
and
the
fixed
frame.
1-4
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
GLOBAL
BH
1000
A -
INTRODUCTION
4.
POSITION
OF
THE
LABELS
AND
THE
SAFETY
DEVICES
1
Locking
screw
Machinehead
Folding
----1
rearcover
8
9
I I Table
v 12
2---
-...!::i=====·~=====:=:c::i~~••=~••><-•
-----------
LJ
____:_F
5
rame
Bedplate .....------
3
WARNING!
When
themachine works,
it
is
not
disabledto give
the
fingers to the space
between
the
machinetable
and
machineheadinmarked place.
When
the
working
board
moves,the clearance
in
this
place
is
about50
mm.
If
fingers areaccidentally
put
into thisplace, it
can
occurvery seriousinjury.
Front
cover
of
the
frame andlock screw
of
the
folding rear cover,
which
disabletilting
of
the
rear
cover, are
dismantledduringtransport. Itisnecessary
to
installthese safety parts
to
themachine before
the
machineis
switchedon.
CA
UT
ION!
If
itisnecessaryto liftthe
head
out
of
the
home
position,
it
isnecessary to tilt
the
folding
front
cover
to
the
operatorside, then
put
th.e
head
back.
If
this
process
is
not
kept,
and
the
machine
is
switchedon,the coverwill
be
damaged.
1-5
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
GLOBAL
BH
1000 B - MACHINE INSTALLATION
1.
CONTENT
OF
THE
SHIPPING
BOX
1.
The
delivery usually contains two boxes. Oneboxcontains
the table andwiring, secondthe head
of
machine.
2.
The box contain also cartonwithaccessories andoperation
instructionwithspare partsmanual and the thread stand O.
3.
When unpackingthe delivery, follow labels whichare onthe
cover.
o®
./0~.
/
""
~'-..~~-
......._~:o
CA
UT
ION!
Ifthe delivery was damaged during thetransport, informthe carrier. Checkthe contains
of
the deliverywithorder. Incasethatthereare some faults, immediately inform
the manufacturer -latercomplainswillnotbetaken into consideration!
1-6
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
GLOBAL
BH
1000
B -MACHINE INSTALLATION
2.
MACHINE
UNPACKING
AND
ASSEMBLING
1. Afterunpackingitis necessaryto
put
thetabletogether accordingto the encloseddocumentation.
Delivered table
is
standardly
took
apart
For
connection
of
thetable frame, use enclosed
connecting
parts.For
ensuring
of
the conductiveconnection
among
all metal parts
of
thetable is necessary
to
put
fan washersunderthe one
of
the
two
neighboringscrews.
WA
RN
ING!
Integrity
of
theprotectiveconnection
of
themachinemetalparts
must
be
keptaccording
tothesectionDOCUMENTATION-Wrringdiagrams.
CA
UT
ION!
Thewiringassembly
can
performonlytheperson,
who
has
an
appropriateelectrical
qualification.
2. Afterputtingthetabletogether
and
wiringthe assembly -beforemotorcovermounting, install
the
table to thegivenplace. Its stability is ensuredbytherear abutment,whichiscontrolled
by
the
manualscrew.
3. Beforenextassemblies
of
themachine, itisnecessary
to
control
if
themotorturns inrightdirection,
it
is marked
Son
drawing. Theplug
of
supply,
which
is
used
as a
main
switch,
put
into
the
socket.
When theoperational switch(circuitbreaker) is switchedon, activate the
motor
to
run
by
the
footpedal. Checktherightrotational direction
of
the pulley accordingto the arrowplaced
on
the
motor. Incorrectrotational direction
of
the electricmotor can causemachine damage.
LEFT VIEW
l '!
'l-
-....::;:-.,,.
...
4 I
-,--::::-,--"t-r·--------~
Rotationaldirection
~t'_----
---
'
Motor
------....._.._
r /0
~s
'
~,_/I
......
-
✓
,-,
I I
Operator
1-7
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
GLOBAL
BH
1000 B -MACHINE INSTALLATION
WA
RN
ING!
It
is
commendedto use original table, partnumber 04.90.17.0.xxx, for deliveredmachine.
If
theuser has
to
use another table, producercannottake the responsibility for possible troubles. In this
case it
is
necessary
to
use suchequipment, whichallows
to
reachon
the
left drivingpulleyfor themachine
cyclemax.
250
rev./min. andontheright pulley
for
sewing drivemax
875
rev./min.
Higherrevolution
can
cause serious machinedamage! The socketfor plug
of
power supply has
to
comply withrequirements
of
normIEC 364-4-41.
4 . Inserttall rubber washers from the accessories
to
the four holes on the table board.
Rubber washers
Upperview
~
@
0
□
@ ®
5. When the headfrom the cover
is
taken out, cleanthe head from the preservative grease.
To
catchthe
machineduring the manipulation,
use
slots infront and backofthemachine
frame.
6 . The removedmachine headplaceon the installedrubber washers and according
to
the drawing fix
it
by
the screws, washers andrubber washers
to
the table.
CA
UT
ION!
Do
nottake the machine head in the machinetable!
Screws
Washers
Small
rubber
Tall
rubber
Oikpool
1-8
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
GLOBAL
BH
1000
B-
MACHINE INSTALLATION
7. Foldthe rear covers and tilttheheadinthe frame, make rear screws accessible during the assembly.
Since some deliveries
can
have the covers partly dismantled,
fix
them
to
their placeby using drawings
inpartsmanual.
All
safety covers mustbe assembled according
to
the section:
INTRO
DU
C
TI
ON
-Position
of
labels and safety equipment
8.
Oilreservoirshould be placedbetweeninstalledtallrubber washers.
9.
Theinstallation
of
the rightdriving belt(longer)
is
done byloosening the screw
of
the rightcoverand
itsremoval.
10 .
If
the leftdrive beltisnotputonthe upper pulley
of
the head (tiltingthe rearcoverto have the access
to this belt), after loosening the innerscrew
of
theframe, itis necessary to make adequate space
betweenthe gear
of
thehanddrive and the gear
of
the rear shaftby tilting the frame.
11 . After belt installation, tighten
the
frame innerscrew again
so
thatbothgears fit in, use the
handwheel.
If
the beltsare correctly mounted, they will not touchthe covers or bedplate.
CA
UT
ION!
Afterinstallingthe belts, installthe motorcover. It is necessaryto connectthe cover,
machine headandmotor by the protective circuitbreaker.
1
2.
Before operatingthe machine, install the clip O andthe
screw~
from the accessories onthe rear
cover.
Rear shaft gear
Hand drive gear
Folding
rear cover
Frame
,.______
Innerscrew
of
the frame
1-9
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
GLOBAL BH1000 B - MACHINE INSTALLATION
3.
ADJUSTMENT
OF
THE
T -
BELT
TENSION
FOR
SEWING
The drivingbelt
is
placedunderthe rightside
cover.
After its dismantling, loosenthepulley screw andadjust
theV -beltpulley
so
that,
so
thatduringpushing on the front branch
of
the
belt, there should
be
a sag about
25
mm
(l
"),as illustrated. Tightenthe screw
of
the idlerpulley.
Foreasyfolding
of
the machine head, the pulley mustbe down withtilt
min.
30°
backwards.
Install theremovedcoveragain.
1-10
Correct
beltdeflection
25.4 mm
I"
@
Idlerpulley
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
GLOBAL BH 1000
B -MACHINE INSTLLATION
4.
ADJUSTMENT
OF
THE
LEFT
T-BELT
TENSION
1.
Toe
accessto thebeltwill be obtainedafter folding
of
thefolding rearcover.
2 .
Then
adjusttheidlerpulley until
13
mm,
(1/2")
of
flex is obtainedinthebelt, as illustrated.
3 . Tightenthe idlerpulleylockingscrews.
4.
Installthemotorcovers
and
setthe beltstud,
which
is fixed
on
the
motorcoverto
the
distance 3
mm,
(1/8")
below
thepulley. Thisbeltstudwillpreventdropping
of
the
belt
when
themachine
head
is
lifted.
5 . Installthe removedcovers again.
Idlerpulley
Motorcover
-1r,.----
...._..;._--,
Idler
pulley
locking screw
13 mm, (1/2")
I
1 3
mm,
1/8")
Belt
stud
1-11
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
GLOBALBHl000
B - MACHINE INSTALLATION
5.
THREAD
STAND
INSTALLATION
1.
2.
3.
1-12
Putthethreadstandtogether
accordingto
the
drawing.
Position
of
the lockingring 0
allowsassembly
of
the threadstand
forvariousthickness
of
the
table
top. Threaded end
of
the
post©
mustnotextendmorethat
l
mm
(1/32) throughthelocking
nut©.
Adjustthering
0,
insertthewasher
@
and
the
post
into thehole
providedintherightrear
of
the
table
top©.
Insertthe washer 0
andtightenthe nut
0.
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
GLOBAL BH 1000
C - OPERI\TOR INSTRUCTIONS
1.
PREPARING
TO
SEW
1.
Readthroughall safety instructions andensure
all
covers are installed.
2.
4.
Only Cord Trim -Check onthe air pressure
regulatorthatpressure is inrange4.5 - 5bars
(0.45 -0.50 MPa), see note above the regulator.
Give oil
to
the manualoilingpoints and checkthe
correct
oil
quantity in oillevelindicator.
Checkthe needle andgimpthreads are correctly
threaded.
5.
Beforethe first sewing, insertpiece
of
fabric
similar
to
sewingworkunderthe clamp feet.
6.
Insertthe input cable into socketand by switching
on
of
the operating switch (circuitbreaker) 0
switchthemotor
on.
7.
Drive
of
the machine is activatedby thetable foot ·
pedal@.
CA
UT
JON!
To
make sure themachine is sewing
correctly, itis recommended
to
sewafew buttonholes ona
scrap piece
of
material before sewing onaquality garment.
8.
9.
10.
11.
12.
13.
Insertthematerialunderthe clamp feet.
To
lowerthe clamp
feet©,
movethe lever 0
forward
Pressthe starting lever
e,
the clamp feet are
automatically lowered.Afterthe buttonhole is sewn
andcut, the clamp feet are raised.
If
the emergency stop button © is pressed and held
during sewing, the clamp feetwill notraise atthe
end
of
the sewing cycle and it is possible
to
sewthe
buttonhole
again.
Ifitis necessaryto interruptthe sewing cycle press
the stop lever©. The machine will finishthe cycle
without sewingandthe clamp foot willraise. (ifthe
stop leveris pressed andthenemergency stop is
pressed©the machine will finish the cycle without
clamp
raising.
To
stop themachine immediateIyin any place
of
sewing cycle, pressfoot pedal (by heel down the
sewingcycleis stopped,
by
toe the sewing cycleis
started.
14.
To
startthe sewing cyclewithoutsewing, liftthe
lever
ti
andafterthe cycle is started, the machine
makes
cyclewithout sewing.
CJ)Dlfni~d:;:!
---:1
~
yr
e
1-13
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
GLOBAL
BH
1000 C -OPERATOR INSTRUCTIONS
2.NEEDLEINSTALLATION
l.
Loosenneedle lockingscrew
e)
and
dismantle
the
originalneedle.
2. Insert
the
new
needle, so that theneedle
flat
Ais
on
oppositesidefrom
screw@
of
thetension.
Do
not
installa
bent
or
broken
needle. Roll
the
needle
on
aflat surfaceto checkfor straightens.
The
goodquality needle does
not
have
a deflection
of
thepoint.
3. Tightentheneedlelocking screw
e)
well.
ur1·@·
I,
@f
\e
' !
)€(
@/
I I
'
"e
L---®
v
3. THREADING
WARNING!
Check
if
theoperating switch(circuitbreaker) is switchedoff.
Threadthe thread, as illustrated.
The appearance
and
quality
of
the buttonhole
may
be affected by one or more
oftftefollowing
stitchesdensity
1-14
used
tlrreadstrength, colour
threadelasticity
usedsewnmaterial
tension
of
upperand lowerthread
used
threadthickness
width
of
stitches
choosensewingthechnological procedure
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
GLOBAL
BH
1000
C - OPERt\.TOR INSTRUCTIONS
Threading the gimp
and
upper thread to the machine -
BH
1000
To
change
the
upperthreadtension, usethe
nut
O.
Upper
thread
------.JI
Gimpthread I
•
1-15
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
GLOBAL
BH
1000 C -OPERATOR INSTRUCTIONS
Lower
thread
Use
the
manual
nut
Oto
changethe lowerthreadtension.
0
1-16
----·
0
'~~~
---
~
--
\ 0
1~
I
0)0'
_'~r-
0
-------
Lowerthread
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
GLOBAL
BH
1000
D -MACHINE ADJUSTMENT
1.
STITCHES
DENSITY
ADJUSTMENT
-
STRAIGHT
SECTION
1.
Removeauxiliary rearcover.
2.
Loosenthe studnut
O.
3.
Shiftthe rod
stud@
indirection 1to increase the stitch density, indirection 2to decrease stitch
density.
4.
TightenthenutO.
Note:
The limiter
Ois
installed
on
the
lever©.
To
obtainthe stitchdensity 8-9 stitches/cm, shiftthe rod
stud@towards
the limiter. To decreasethedensity, removethelimiter
0.
,,
1//
1
-...
-
-. -
-;-II\°"
[~]
~----~
----'--------'-'CJ.U'----
___
__,.
1-17
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
GLOBAL
BR
1000 D - MACHINE ADJUSTMENT
Warning
:Whenthe machine is usedfor longtime, the stitch density can
be
changedbecause
of
the
running
of
themain cambrakeandmain shaftbrake. That
is
why it
is
necessary
to
adjustthebrakes.
Adjusting
main
cam
brake
The maincambrakecontrols thedensity
of
stitcheswhich
is
adjustin chapter
2.
It
is
aproducerspecifica-
tion for settingthe distancebetween stitches. Undernormal use, the brakeband willneed
to
be
adjusted
again. The reason
is
torun
in
thebrake band:
1.
Loosenthe lockingnuts
6.
2. By rotatingthenuts
@is
moving the brakeband @(indirection4
to
increasethe breakpressure,
movethe brakeband in direction3
to
decreasethe pressure).
3.
Tightenthelockingnutsf#.
CA
UT
ION!
If
the maincam brakepressure
is
excessively high, themachinemay malfunction.
The
brakepressure
is
usedfor easy breaking ofthe maincambrake,
so
thatthemaincambrake
is
notmoving
itselfbyrotary inertia.
HELP:
Adjustthe stitchdensity according
to
thechapter 2to require density withloosenthe brake. Then
lightlypull thebrake,
so
thatthe number ofstitches increasemaximally to
one
stitch
of
length
of
thebutton-
hole. This willensure correct function
of
the brake.
1-18
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
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