Brother BAS-600 User manual

AUTOMATIC LOCK STITCH POCKET
WELTING SEWING MACHINE FOR
FLAP ATIACHMENT
SERVICE MANUAL
FOR
BAS-600
BAS-601
•.
From the library of: Superior Sewing Machine & Supply LLC

CONTENTS
SPECIFICATIONS •. ••••••••. •. ••••••••••. . ••••. •. ••. ••••••••••••••••••••• 1
INSTALLATION . ••. ••••••••••. •••••••••••. •••••••••. ••••••••••••••. ••••• 2
1. Setting up the table . . .. .. . .. .. . .. . .. .. . ... . .. .. .. .. .. .. . ... .. .. . 2
3. Installing the spool stand .. . .. . .. ... . .. .. ... . .. .. .. .. .. .. . ... .. .. . 2
4. Installing the material holder . . .. .. .. .. .. .. .. .. .. . ... . .. .. ... . .. .. 2
2. Installing the treadle . .. ... . .. .. .. .. .. .. .. .. .. .. . ... . .. .. ... . .. .. 2
5. Installing the stacker . . .. .. . .. .. . .. . .. .. . ... . .. .. . ... .. . .. ... . .. .. 3
LUBRICATION . ••. ••••.. •. ••••. .•••••••. .. •••••••••••••••. •••••••••••••• 5
1. Adding oil to the rotary hook oil tank . . .. ... . .. .. . ... .. .. . ... .. .. . 5
2. Adjusting the rotary hooklubrication ........................... ~ . 5
3. Filling the arm top oil tank . . .. . ... .. . .. .. .. . .. . .. .. .. .. . .. .. . .. . . 5
4. Regular lubrication . . .. .. . .. .. . ... .. .. .. . .. . .. . .. ... . .. .. .. .. .. .. 6
CORRECT OPERATION ...•.••.•••••••••••••••••••.•••••••.•••••••• I • • • • • 7
1. Winding the bobbinthread . . .. .. .. .. .. .. .. .. .. . .. .. .. . .. ... .. .. . 7
2. Threading the needle thread . .. .. .. .. . .. ... .. .. . .. .. .. .. .. .. .. .. . 8
3. Threading the bobbin thread . .. . .. . .. . . .. .. .. .. . .. .. .. .. .. .. .. .. . 9
4. Holding the needle and bobbinthreads . . .. .. . .. .. .. .. .. .. . .. . .. 10
TREADLE AND START SWITCH DESCRIPTION •••••••••••••••••••••••••••• 11
1. Treadle operation . . .. ... . .. . .. ... .. . .. .. ... . .. .. . .. . .. . . . ... .. 11
2. Treadle operation for operation standing up .. .. . .. ... . .. .. .. .. .. 12
3. Marking light . .. .. . .. .. .. .. .. . ... . .. .. .. .. .. .. .. . .. . . .. .. ... .. 13
PROGRAMMING ••. ••. ••••••••••••••••••••••••••••••••••••••••••••••• 15
1. Entering astandard sewing program . .. .. ... . .. .. ... . .. . .. ... .. . 15
2. Entering aflap sewing program . . .. .. .. . .. ... . .. .. ... . .. . .. .. . .. 16
3. Entering a cycle sewing program . .. .. . .. .. .. .. . .. . .. . .. .. . .. .. .. 18
4. Operating the stackerduring cycle sewing . .. . .. .. ... .. . . ... .. .. . 19
5. Setting the bobbin counter . . .. .. ... . .. .. .. .. .. . .. .. . .. .. .. .. . . . 20
6. Checking the number of work pieces .. . .. ... .. . .. ... .. . .. .. .. .. . 21
7. Clearing the work piece counter . ... . .. .. ... . .. .. . .. . .. . . . ... .. . 21
8. 9etting the material . .. .. .. .. .. . ... . .. .. ... . .. .. ... . .. .. . ... .. . 22
ADJUSTMENT •. ••••. •. •••. •••••••••••••••••••. ••••••••••••••••••••••• 23
1. Adjusting the center knife posit~ on .. .. .. . ... . .. .. ... . .. . .. .. . .. 23
2. Adjusting the corner knife position . .. . .. .. .. .. .. .. .. . .. .. .. .. .. . 24
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DISASSEMBLY ••••.•••.•••••••••••••••••••••••••••••••••••••••••••••• 25
1. Removing the cloth guide (left) ................................ . 27
2. Removing the binder ......................................... . 27
3. Removing the face plate ...................................... .
28
4. Removing the machine head .................................. .
29
5. Removing the carriage feed mechanism ........................ .
30
6. Removing the feed mechanism ................................ . 31
7. Removing the padding cloth presser assembly ................... . 32
ASSEMBLY •••.•.•.••..•••••••••••••••••..•••••••••••••••••••••••••••
33
1. Attaching the feed mechanism assembly ........................ .
33
2. Attaching the machine head ................................... .
35
3. Attaching the face plate ................................•..•...
36
4. Attaching the binder ......................................... .
37
5. Attaching the cloth guide
(Same attachmentmethod for both right and left sides) ....... .
37
~
6. Attaching the movable knife assembly .......................... .
38
7. Attaching the fixed knife assembly ............................. .
39
8. Attaching the carriage feed assembly ......................•..•..
40
9. Attaching the padding cloth presser foot ....................•...
42
1 0. Other ....................................................... . 42
SEWING FLOWCHART ••••••••••••••••••••••••••••••••••••••••••••••••• 43
1. Backtacking ................................................. .
43
2. Condensed stitch ............................................. . 44
3. Stacker operation ............................................ .
45
4. 1/0 checking ................................................. . 46
5. DIP switch descriptions (supplement) ........................... . 47
6. Relationship between machine speed and feed speed
due
to stitch pitch ......................................... . 48
STANDARD ADJUSTMENT (MECHANICAL PORTION) ••••••••••••••••••••••
49
1. Adjusting the upperand lower shafttiming ..................... .
49
2. Adjusting the needle and the rotary hook timing ................ .
49
3. Adjusting the gap between the rotary hook and the needle plate ..
so
4. Adjusting the needle bar lift stroke and the needle bar height .....
so
5. Adjusting the gap between the rotary hook and
the bobbin case opener ...................................•.
so
6. Adjusting the carriage feed mechanism ........................ .
51
7. Adjusting the binder .......................................... .
55
8. Adjusting the cloth guide ..................................... .
56
9. Adjusting retention
(Required
to assure thread remainder for sewing start.) ....... .
57
10. Adjusting the center knife assembly ............................ .
58
11. Adjusting the movable knife assembly .......................... . 64
12. Adjusting the fixed knife assembly ............................. . 67
From the library of: Superior Sewing Machine & Supply LLC

13. Adjusting the corner knife . . .. .. . ... .. . .. ... .. .. . .. ... . .. .. . .. . . 70
14. Adjusting the padding cloth presser foot . ... .. . .. .. .. .. .. .. .. .. . 76
15. Adjusting the tension release . .. ... . .. .. .. ... .. . .. .. .. .. .. . ... .. 78
16. Adjusting the pickuptype stacker .. . .. . . .. .. .. .. .. . ... . .. .. ... . . 79
17. Adjusting the barstacker . . . .. . .. ... .. . .. ... .. . .. .. ... . .. .. ... . . 84
18. Adjusting the foot switch . .. .. .. .. .. .. . .... . .. .. .. .. .. .. . ... .. . 85
19. Adjusting the flap sensor (model 601 only) . .. .. .. . .. ... . .. .. ... . . 86
STANDARD ADJUSTMENT (ELECTRONIC PORTION) . •••. ••••. ••••••••••••• 87
1. Replacing the circuit board . .. .. . .. . .. . . .. .. .. .. . .. ... . .. .. ... . . 87
2. Replacing the fuse . .. .. .. .. .. . .. ... .. . .. ... . .. .. . ... .. .. . ... .. . 93
3. Connecting the solenoid valves and the air lines . .. .. .. .. .. .. .. .. . 94
OPTIONAL PARTS INSTALLATION •••••••••••••••••••••••••. ••••••••••••• 95
1. Thread breakage detector . .. . .. ... . .. .. .. .. .. .. .. . .. .. . .. .. .. .. . 95
2. Flap guide . . .. ... .. . .. .. .. .. . .. .. . .. . . .. .. .. .. . .. .. .. .. . ... .. . 95
3. Spacer for working while standing up . .. .. .. .. .. . ... .. .. . .. .. .. . 96
4. Hand switch .. .. .. .. .. .. .. . .. .. ... . .. .. . .. .. . .. . . .. . .. .. ... .. . 96
5. Marking lights .. .. .. . ... . .. .. . ... .. .. . .. .. . .. . . . ... . .. .. .. .. .. 97
TROUBLESHOOTING GUIDE ••••. ••••••••••••••••. •. ••••••••••••. •••••. • 98
ERROR CODES •. •••••••••••••••••••••••••••••••. •••••••••••••••••••• 1 OS
From the library of: Superior Sewing Machine & Supply LLC

SPECIFICATIONS
Model 151-600 I 151-601
Machinehead LT2-B833 twin needle, lockstitch
Sewingspeed 2500 spm (variable
to 2200 spm with DIP switch setting)
Flap sewing No I Yes
Needle Mtx 190 #16(#16-#18)
Gaugesize Standard 10 mm (8, 12,
14, 16, 18,20mm)
Gauge size
to 14mm 28-190 mm
Seam length
from 16 mm 36 - 190 mm
* Flap stitch 80-180
mm
Lockstitch 1.4-2.8
mm
Backstitch Condensed 0.8-1.4 mm
Backtack Same as lockstit ch
Stitch length
(Stitch length at sewing start is 1/2 lockstitch stitch length.)
(Adjusted
with DIP switch setting.)
Thread
type Thread for automatic se wing machines (spun core #50)
Powersupply 3-phase 220V, 50/60Hz, 500W (21ines of 3-phase supply used)
Dimensions 820 DX 1300W X 1155 H mm
- 1-
From the library of: Superior Sewing Machine & Supply LLC

INSTALLATION
1. Setting up thetable
2. Installing the treadle
-2-
*Set the machine table on a level surface.
Loosen
the nut 0 I and turn the caster @ to
adjust the height.
* Lock the castersso the tablewill not move.
Lower
the lever@ to lock the caster@.
Lower the Ievere to move the table.
* Remove the three screws 0 I and open the side
panel@.
Plug the 12Pconnectore forthetreadle@ into
the side panel connector block.
4. Installing the material holder
* Set the material holder 0 onto the stud @ and
securewith
the screw@).
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5. Installing the stacker
Installing the bar type stacker
*Refer to the figure below to install the stacker.
Connecting the power supply connector and the air hoses
*Connect the connectors as numbered.
-3-
0 Connector No.14
@ Connector No. 15
@) Airhose
e Airhose
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Installing the pickuptype stacker
*Refer to the figure below to install the stacker.
Connecting the powersupply connector and the air hoses
*Connect the connectors as numbered.
Air pressure adjustment
Increase
Decrease
-4-
0 Connector No. 14
@ Connector No.15
@) Airhose
9 Airhose
1. The standard operating air pressure is 5 kg/cm2.
Turn
the handle 0 to adjustthe pressure.
2. If water collects in the bottle @1 close the air
cock @1 and turn the drain cock e slowlyin the
direction of the arrow to drain the water.
* Be sure to close the drain cock 9 after
letting the water out.
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LUBRICATION
Be sure to use Brother-specified machine oil (High White #70).
Advance the carriage feed when lubricating and adding oil to the rotary hook. (Refer to page 8.)
1. Adding oil to the rotary hookoil tank
* Remove the oil gauges 0, and add oil from the
gauge hole until theoil
reaches the full mark on
thegauge.
*When the oil level reaches the end of the oiI
Mark gauges 0, no more oil will be supplied to the
rotary hook.
2. Adjusting the rotary hook lubrication
Rotary hook base indices
..-:1
Morelubrication (SJ
Rotary hook base index
I
CD
~ More lubrication
3. Filling the arm top oil tank
White line
-5-
*Turn the two oil adjusting screws 0 from the
rotary hook
base indices to adjust lubrication, as
shown inthe figure on the left.
* Remove the oil inlet cap 0 and add oil until the
tank is filled to the reference line on the oil
gauge window@.
*Add oil if oil cannot be seen inthewindow.
*When using the machine, push the oiler button
to the white line, and turn the button in the
direction of thearrow.
* Be sure to return the button to its original
position whenthe machine
is not in use.
* When starting the machine, set the oiler
button ON for 5-10 minutes.
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4. Regular lubrication
* Before sewing, be sure to add a drop or two of oil at each of the points indicated by the arrows in the
figure.
1------
a
l ..
-6-
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CORRECT OPERATION
1. Winding the bobbin thread
1. Set the powerswitch 0 to ON.
2. Slide an empty bobbin@ onto thebobbinwindershaft @.
3. Thread the thread from the spool stand as shown in the figure, and wrap the thread around the bobbin 8 r-"
5-6times. ·
4. Shift the lever e in the direction of the arrow. The power will come on automatically, and the bobbin
windershaft@)
will begin winding the bobbin.
5. When the bobbin is full, the lever will automaticallyreturn, and the bobbin windershaft @) will stop.
6. To adjustthe amount of thread wound onto the bobbin 8, loosen the screw @> and shiftthe lever e right
or left.
7. Remove the bobbin @ from the bobbin windershaft @), and wrapthethread onto the thread holder ~ to
cut it.
-7-
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2. Threading the needle threa~ t)
BOBBIN COUNTER SET
MODE
• «·im•IMiil+
•lf.t.Uiit.iW
• PROGRAM
• KNIFE CHANGE
&CYa.EPGM.
CARRIAGE THREAD
FEED TRIMMER
*Threading is easier if the carriage feed advances to give morespace around the needle.
~ Before threading
[To advance the carriage feed]
1. Set the power switch 0 to ON. (An alarm will sound once.)
The
EMERGENCY STOP indicator will blink.
2. Press EMERGENCY STOP@. (The alarm will sound twice.)
The carriage feed @
will move to its home position.
3. SetMODEe to MANUAL.
4. Set
CARRIAGE FEED@) to FORWARD to advance the carriage feed.
* While setting THREAD TRIMMER @to UPPER, set CARRIAGE FEED @ to FORWARD to fast-forward
the carriage feed to the thread trimmer position.
*Threading the needle thread
Without aneedlethread breakage detector
With a needlethread breakage detector
-8-
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3. Threading the bobbin thread
Removing the bobbin case
Threading the bobbin case
Bobbin case
Bobbin
-9-
1. Open theslide plates (R) 0 and (L) @.
2. Holding the corners of the bobbin cases @,
removethe bobbin cases@.
1. Insertthe bobbin into the bobbin case.
2. Pass the thread through the notch 0 and under
the tension spring@.
3. Pull approximately 50 mm of thread from the
hole at the end of thetension spring @.
4. Insertthe bobbin case into the rotary hook.
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4. Holding the needle and bobbin threads
* Insert the bobbin case (bobbin) into the rotary
hook
and close the rotary hook handle.
Bobbin thread 1. To bring the bobbin thread up, hold the needle
THREAD
TRIMMER
[To retractthe carriage feed]
CARRIAGE
FEED
1. Close the slide plates.
thread and
turn the pulley forward by hand.
2. Set THREAD TRIMMER 0 to UPPER to lowerthe
movable knife.
Note:
Be careful to keep hands and other
articles away from the knife when it
operates.
3. Set the two needle threads on the movable
knife.
4. Reset THREAD TRIMMER 0 to raise the movable
knife,
and to cutand hold the needle threads.
5. Set THREAD TRIMMER 0 to LOWER to turn the
fixed knife
90° as shown inthefigure.
6. Insertthethreads into the needle plate grooves,
and reset
THREAD TRIMMER 0. The fixed knife
wi II cut and hold the bobbin threads.
THREAD
TRIMMER
MODE
•l·iiiitiij.Jil
• 16t.!ilit4M
• PROGRAM
• KNfE CHANGE
&CYa.EPGM.
2. Set CARRIAGE FEED 8 to BACKWARD to retract the carriage feed.
* If MODE @) is set to any position other than MANUAL, the carriage feed will retract to its home
position quickly.
-10-
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TREADLE AND START SWITCH DESCRIPTION
BAS-600
BAS-601
* When running a flap sewing program, the machine will not operate when the startswitch is pressed unless
the flap pres~er is down.
* During normal sewing, the machine will operate when the start switch is pressed after the folding plate
operates.
* Set MODE to eitherAUTOMATIC or MANUAL.
1. Treadle operation
1. When the treadle 0 is pressed back, the padding cloth presser foot springs (R) @ and (L) @ will rise.
2. When the treadle 0 is released, the padding cloth presser foot springs (R) @ and (L) @ will descend.
3. When the treadle 0 is pressed to position 1, the carriagefeed (L) 9 will descend.
4. When the treadle 0 is pressed to position 2, the carriagefeed (R) @) will descend.
5. When the treadle 0 is pressed to position 3, the binder@ will descend and the folding platewill operate.
6. When the treadle 0 is pressed to position4, the flap presser (L) 8 will descend.
7. When the treadle 0 is pressed to position 5, the flap presser (R)@) will descend.
8. When the startswitch €) is pressed, the carriage feeds will operate.
* The order in which the carriage feeds and the flap pressers operate (3,4,6,7 above) can be changed by
resetting the DIP switches. (Refer to page 12.)
-11-
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~
~
* The treadlecan be set for 3, 4 or 5position operation bysetting the DIP switches.
/
PSW-25
OFF ON
OFF ON
PSW-26
OFF OFF
ON ON
Position Rightcarriage feed Leftcarriage feed Leftand
right Leftand right
1 carriage feeds carriage feeds
Position Leftcarriage feed Rightcarriage feed Binder, Folding plate Binder, Folding plate
2
Position Binder, Folding plate Binder, Folding plate Flap presser0 Leftand
right flap
3 pressers
Treadle Position Flap presser0 Flap presserO Flap presser@
4
Position Flap presser@ Flap presser@
5
When the flap presser 0 is on the left, the flap presser @ will be on the right; when the flap presser 0 is on the
right, the flap presser@ will be on the left.
The condition of PSW-27 determineswhich of the flap pressers operates. Refer to the instruction manual.
SW2
23
24
25
26 27
28
r1
r1
0
,.......,
0 n
L...J L...J u L...J
~
~ ,r-8
~ ~
~t=
.--------=rl===..=:!:::::L=! =:::::::a..__
SW2
2. Treadle operation for operation standing up
1.
2.
3.
4.
5.
6.
7.
8.
Set DIP switch 28 to OFF to adjust the treadle for two position operation (one position forward, one
backward). This makes operationand material placement easier when the operator is standing up.
When the treadle is pressed back, the padding cloth presser foot springs (R) and (L) will rise.
When the treadle is released, the padding cloth presser foot springs (R) and (L) will descend.
When the treadle is pressed to position 1, the carriage feed (L) wi II descend.
When the treadle is held down for another0.5 sec., the carriage feed (R) will descend.
When the treadle is held down for another 1.7 sec., the binder will descend and the folding plate will
operate.
When the treadle is held down for yet another 1.5 sec., the flap presser (L) will descend.
When the treadle is held down for yetanother 1 sec., the flap presser (R) will descend.
When the startswitch is pressed, the carriage feeds will operate .
If the treadle is released after steps 3-7 above, the carriage feeds and other components will not be released,
but will be held in the above positions.
To proceed to the next step, press the treadle to position 1 again. At this time, operation will begin
immediatelyirrespective of the time the treadle is pressed.
To return to a previous step, press back the treadle. The machine will return to one step each time the
treadle is pressed back.
-12-
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3. Marking light
1) Adjusting the focus
2) Adjusting the marking light position
Centerof ~
thecarriagef.!j .,. _____________ --tj
I 5 mm 130mm
* The marking light will come on when the power
switch 0
is turned on.
* Loosen the screw @ and raise or lowerthe lens
hood @ to focusthe [+1mark projected on the
material. This [ +1 mark should be focused
sharply.
By loosening the bolt eI adjustthe positions of
the focused [+1marks properly so that one is at
the sewing start and the other is at the sewing
end.
* The right-left position of the [tft1mark at the
sewing start is adjusted by loosening the two
bolts@.
* Loosen the bolt 0 to adjust the position of the
marking
light as desired.
Ex. 1: When sewing startand end are determined
If the seam is 140 mm and the bodice marks are
inset5mm
each
5
1408
Bodicemark~ *
If the marking lights are positioned like the
figure on the left and the bodice marks are
aligned with the center of the [tli1 marks, a welt
140 mm long will be formed at the expected
positions.
-13-
* If the seam length changes, loosen the bolt @ to
adjustthe marking light positions.
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Sewing end
25mm
4l
I.
115mm
140mm
,.
J Darts
~~
3) Replacing the marking light bulb
Ex. 2: When the dartsare the reference
* If the seam length is 140 mm, and divided 25
mm to the right and 115 mm to the left based
on thedarts
* If the marking lights are adjusted as shown in
the figure on the left,
and the bodice darts are
centered on the right
[tit] mark and the sewing
end position on the right side of the bodice is
aligned with the center of the left [ tit 1mark, a
welt will be sewn as shown in the figure on the
left.
1. Turn the cap 8 counterclockwise to remove it
from the receptacle@.
2. While pressing in the light bulb @, turn it
counterclockwise to remove it from the cap 0.
Replace thebulb@.
3. Reassemble by reversing s'eps 1. and 2.
-14-
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PROGRAMMING
1. Entering astandard sewing program
Program
I~-------. 125 -----~~
MODE
.ROO RAMMING
UMBER
.EAM (Q)BOBBIN
ENGTH COUNTER SET
•I·~!II•JII·!ill
1 2 3 4 5
,-,
,-,
I
I
el.f,[email protected]
©@@(Q)@
f
,_,
,_,
• PROGRAM
sruCT[O-DJ
S ~----< E
SET
• KNFE CHANGE
DOD
D
&CYQ!PGM.
CYCLE PGM.
J
MODE
~PROGRAMMING
NUMBER
__ EAM @BOBBIN
.<· ~ENGTH COUNTER SET
1 •lllli~~Hil
1 2 3 4 5 I
-, ,-
I
• 'MUI*t.IM
@)@@@©
1 C ='
• PROGRAM
iEJ[{jLEtjJ
S :> _____ <E
SET
• KNIFE CHANGE
DOD
D
&CYCLEPGM.
*Set MODE to PROGRAM. The PROGRAMMING NUMBER and SEAM LENGTH indicators will blink.
*Flapsewing is selected when "F-:J" or "F-C" is displayed.
Ex.: Entering a standard sewing program
Change the seam length of programming number 1 from 100 to 125.
1. Set MODE 0 to PROGRAM.
2. Press SELECT@ so that PROGRAMMING NUMBER indicator 1lights.
3. Enter the seam length for the standard sewing program.
Press the switches @ to change the displayed seam length from 100 to 125.
4. Change MODE 0
to any position other than PROGRAM.
* Changes in the program settings are stored when MODE is reset. If the power is turned off before
resetting MODE,
the changes will not be stored in the program.
5. SetMODE 0 to AUTOMATIC to sew.
-15-
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2. Entering a flap sewing program
MODE
12\\ PROGRAMMING
~NUMBER
~SEAM ©BOBBIN ... BOBBIN COUNTER
WPLENGTH COUNTER SET
• l·nmJbt.Ui
• lt't("f!tt.!M
• PROGRAM
• KNIFE CHANGE
&CYCLEPGM.
1 2 3 4 5
©~@©©
SELECT 1[f[j1
~CYCLE PGM.!J
*Flap sewing programming is not possible on the BAS-600.
I I 1-1 ,-,
-; ,_, ,_,
•
SELECT© © ©
II II N0.1 N0.2 N0.3
*Set MODE to PROGRAM. The PROGRAMMING NUMBER and SEAM LENGTH indicators will blink.
*Flap sewing is selected when "F-:Jn or "F-C II is displayed.
UF-:J n indicates right flap, "F-C II indicates left flap sewing.
* Correct the sewing start position (correction data).
Ex. : Entering a flap sewing program
Change programming number2 to right flap sewing, and correct the sewing startposition.
1. SetMODEO to PROGRAM.
2. Press SELECT@ so that PROGRAMMING NUMBER indicator 2lights.
3. Select flap sewing and either right or left flap.
Press the switch@ (100's place) to display "F".
Press the switch 9 (1's place) to display ":J ".
4. Set a flap.
5. Press the startswitch @).
-16-
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