Brother BES-1260BC Service Manual

SERVICE MANUALBES-960BCBES-1260BCBROTHEREMBROIDERYSYSTEMNINE NEEDLE SIX HEAD ELECTRONIC EMBROIDERY MACHINETWELVE NEEDLE SIX HEAD ELECTRONIC EMBROIDERY

1BES-960BC.1260BCChapter 1 Mechanical DescriptionsChapter 1 Mechanical Descriptions1. Feed guide mechanism[Y direction]When the Y-pulse motor qsta

91BES-960BC.1260BCChapter 4 Test mode<CPU detail version>1. Referring to "1. PC test mode," enter the PC test mode menu list 1.2. Pe

92BES-960BC.1260BCChapter 4 Test mode3. Confirming and deleting the BC errorOf the errors which occur in the machine, errors E-B1, B7, B8, D0, D1, D

93BES-960BC.1260BCChapter 4 Test mode5. Perform command "6. Error data" to confirm or delete error details one by one.6. Select a command

94BES-960BC.1260BCChapter 4 Test mode7. Perform command "5. Data clear" to delete error data.8. Execute password. When you input a passwo

95BES-960BC.1260BCChapter 4 Test mode1. Referring to "1. PC test mode," enter the PC test mode menu list 1.2. Perform command "2. BC

96BES-960BC.1260BCChapter 4 Test mode8. Perform command "8. Sensor check" from the BC sensor test menu. A BC sensor of the rotating lower

97BES-960BC.1260BCChapter 4 Test mode5. Lower shaft module test (BC auto test)The lower shaft module auto test (BC auto test) is included in the BES

98BES-960BC.1260BCChapter 4 Test mode5. To measure the synchronization limitation of the lower shaft module, perform command "3. Auto self test

99BES-960BC.1260BCChapter 4 Test mode6. Power supply voltage adjustmentNote:BES-960 checks the power supply voltage to control it optimally even if

100BES-960BC.1260BCChapter 4 Test mode5. Carefully measure power supply voltage of the machine using a tester. Major measuring points are breaker t

2BES-960BC.1260BCChapter 1 Mechanical Descriptions2. Crank shaft mechanismWhen the motor q starts, pulley B w is rotated via the V-belt, resulting i

101BES-960BC.1260BCChapter 5 Upgrading version of machine programChapter 5 Upgrading version of machine programThis chapter explains how to upgrad

102BES-960BC.1260BCChapter 5 Upgrading version of machine program3. In the window for a machine to be upgraded, move the pointer to the Tool menu to

103BES-960BC.1260BCChapter 5 Upgrading version of machine program9. With "P.End" displayed on the machine panel, repeat the above steps 3

104BES-960BC.1260BCChapter 6 MaintenanceChapter 6 MaintenanceTurn off the power switch before starting maintenance.Failure to do so may start the

105BES-960BC.1260BCChapter 6 Maintenance2. OilingTo extend the machine's service life, supply oil to the following places at regular intervals.

106BES-960BC.1260BCChapter 6 MaintenanceBES-960BCLubricate the following part indicated by the arrow ("clearance" between the connecting r

107BES-960BC.1260BCChapter 6 Maintenance3. GreasingTo extend the machine's service life, supply grease to the following places at regular inter

108BES-960BC.1260BCChapter 6 Maintenance1. Remove two connectors from the rear of the needle barcase.2. Loosen four screws q, and remove the head co

109BES-960BC.1260BCChapter 6 MaintenanceGrease the places indicated by the arrow once in six months.Note:When greasing, be sure to use the grease ta

110BES-960BC.1260BCChapter 6 Maintenance1. Remove two connectors from the rear of the needle barcase.2. Loosen four screws q, and remove the head co

3BES-960BC.1260BCChapter 1 Mechanical Descriptions3. Lower shaft and rotary hook mechanismsWhen pulley B and the crank shaft rotate, the pulse motor

111BES-960BC.1260BCChapter 6 Maintenance3-2. Feed Guide SectionCheck the X-feed linear guides (3 positions) and the Y-feed linear guides (one each o

112BES-960BC.1260BCChapter 7 Electric ComponentsChapter 7 Electric Components1. PCBs locationsq Main PCB w Power supply PCB in control box e Panel PCB

113BES-960BC.1260BCChapter 7 Electric Components!1 Head PCB !2 Y feed sensor PCB !3 X feed sensor PCB !4 Thread trimming sensor PCB !5 Retracting bed

114BES-960BC.1260BCChapter 7 Electric ComponentsDANGERWait at least 5 minutes after turning off the power switch and disconnecting the power cord from

115BES-960BC.1260BCChapter 7 Electric Components2-3. Replacing the main PCB1. Remove all connectors from the main PCB q.2. Remove the two screws w and

116BES-960BC.1260BCChapter 7 Electric Components2-4. Replacing the power supply PCB1. Remove all connectors from the power supply PCB q.2. While press

117BES-960BC.1260BCChapter 7 Electric Components3. Replacing power supply PCB B in the power supply base3-1. Removing and attaching the leg cover and

118BES-960BC.1260BCChapter 7 Electric Components3-2. Replacing power supply PCB B in the power supply base1. Remove the four faston receptacles w from

119BES-960BC.1260BCChapter 7 Electric Components4. Replacing the head switch PCB on the adjustment base4-1. Removing and reattaching the adjustment ba

120BES-960BC.1260BCChapter 7 Electric ComponentsBES-1260BCqtewryoui1. Remove the two connectors w from the adjustment base cover q. Unlock the cord h

4BES-960BC.1260BCChapter 1 Mechanical Descriptions4. Thread trimmer mechanism• When the pulse motor q receives the signal for the final stitch, TR g

121BES-960BC.1260BCChapter 7 Electric Components4-2. Replacing the head switch PCB1. Remove the adjustment base cover q.Note:Refer to 4-1 for details.

122BES-960BC.1260BCChapter 7 Electric Components4-3. Removing the TR breakage sensor PCB1. Remove the adjustment base cover q.Note:Refer to 4-1 for de

123BES-960BC.1260BCChapter 7 Electric ComponentsBES-1260BCweiytuuyrq1. Remove the adjustment base cover q.Note:Refer to 4-1 for details.2. Loosen the

124BES-960BC.1260BCChapter 7 Electric Components5. Replacing the head PCB1. Remove the two upper bolts e of the bridge cover w. (Just loosen the lowe

125BES-960BC.1260BCChapter 7 Electric Components6. Replacing the BC PCB1. Remove the eight screws w, and the table cover q up-ward.2. Remove all conne

126BES-960BC.1260BCChapter 7 Electric Components7. Replacing the BC sensor PCB01. Remove the six screws w and the bed cover q.02. Remove the two bolts

127BES-960BC.1260BCChapter 7 Electric Components8. Replacing the panel PCB1. Loosen the four screws q securing the operation panel at the top and bott

128BES-960BC.1260BCChapter 7 Electric Components9. Replacing the Y-feed sensor PCB1. Remove the four screws w, and separate Y-feed cover U q from the

129BES-960BC.1260BCChapter 7 Electric Components10. Replacing the X-feed sensor PCB1. Remove the 12 screws w, and the X-feed cover q.2. Remove the two

130BES-960BC.1260BCChapter 7 Electric Components11. Replacing the retracting bed sensor PCB1. Remove the eight screws w, and then the table cover q by

5BES-960BC.1260BCChapter 1 Mechanical Descriptions• When pulley B q rotates in the direction of the arrow, the motion is transmitted to the crank sh

131BES-960BC.1260BCChapter 7 Electric Components12. Replacing the thread trimming sensor PCB1. Remove the five screws w. Remove the table cover q by

132BES-960BC.1260BCChapter 7 Electric Components13. Replacing the cooling fansNote:As to the control box, refer to "2-2. Removing and attaching t

133BES-960BC.1260BCChapter 7 Electric Components13-2. Replacing the main PCB fan1. Remove the connector w of the main PCB fan q fromP20 (FAN1) r on th

134BES-960BC.1260BCChapter 7 Electric Components14. Fuses14-1. Fuse positionsNotes:• As to the control box, refer to "2-2. Removing and attaching

135BES-960BC.1260BCChapter 7 Electric Components14-2. Fuse type and capacityFuses on the power supply PCB in the control boxNote:Fuses F1 and F2 are n

136BES-960BC.1260BCChapter 7 Electric ComponentsFuses on power supply PCB B in the power supply baseAddress Fuse type and capacity Part code Remarks56

137BES-960BC.1260BCChapter 7 Electric Components14-3. Replacing the fusesThe following shows problems when a fuse has blown. (For reference when repl

138BES-960BC.1260BCChapter 7 Electric Components15. Handling the circuit protector of the bobbin winder (optional)The bobbin winder is installed at th

139BES-960BC.1260BCChapter 7 Electric Components16. P-ROM positionBe sure to turn off the power before replacementnotes:• Use care when handling the P

140BES-960BC.1260BCChapter 7 Electric Components17. Connectors17-1. Main PCB connectors

6BES-960BC.1260BCChapter 1 Mechanical Descriptions6. Needle bar mechanism• When the pulley B q rotates in the direction of the arrow, the driving sh

141BES-960BC.1260BCChapter 7 Electric ComponentsConnectors on the main PCBP1P2P3P4P5P6P7P8P9P10P11P12P13P14Main PCB - Power supply PCB in control box

142BES-960BC.1260BCChapter 7 Electric ComponentsConnectors on the main PCBConnecting point Drive signalSymptoms resulting from improper connection or

143BES-960BC.1260BCChapter 7 Electric ComponentsConnectors on the main PCBConnecting point Drive signalSymptoms resulting from improper connection or

144BES-960BC.1260BCChapter 7 Electric ComponentsCable signalsP151 +24V2 GND3 +12V4 GND5 -12V6 +5V7 GND P91 +Vm2 +Vm345 GND6 GND P61 GND2 DC300V P41VA2

145BES-960BC.1260BCChapter 7 Electric ComponentsCable signals P11 +5V2 +5V3 GND4 GND5 EXTI/006 EXTI/017 EXTI/028 EXTI/039 EXTI/0410 EXTI/05Main PCBP27

146BES-960BC.1260BCChapter 7 Electric ComponentsCable signalsP321 +5V2 XINDEX3 GND4 F 5V5 OVTR-X6 GND7 F 5V8 OVTR+X9 GND10 C 5V11 COVTR-X12 GND13 C 5V

147BES-960BC.1260BCChapter 7 Electric ComponentsCable signalsP141 OUT12 OUT23 OUT34 OUT4Power supply PCB in control box P61 +24V23 GNDMain PCB P5 1 U2

148BES-960BC.1260BCChapter 7 Electric ComponentsCable signalsP271 START2 GND3 STOP4 GNDP281 N. C.2 N. O3 COMP291 DATA+2 DATA-3 CLK+4 CLK-5 +5V6 GND7 S

149BES-960BC.1260BCChapter 7 Electric ComponentsCable signalsP191 +5V2 GND3 BSEL4 BENCA5 BENCB6 +5V7 GND8 BSEL9 BENCA10 BENCB11 EMGX12 +5V13 GND14 BSE

150BES-960BC.1260BCChapter 7 Electric ComponentsCable signalsP181Vk2 TSENS13 GND4Vk5 TSENS26 GND7Vk8 TSENS39 GND10 Vk11 TSENS412 GNDP101A+2A-3B+4B-P11

7BES-960BC.1260BCChapter 1 Mechanical Descriptions7. Needle bar flip-up mechanism• The needle bar flip-up signal is transmitted to the pulse motor q

151BES-960BC.1260BCChapter 7 Electric Components17-2. Connectors in power supply PCB in the control box

152BES-960BC.1260BCChapter 7 Electric ComponentsPower supply PCB in control boxConnecting point Drive signalSymptoms resulting from improper connectio

153BES-960BC.1260BCChapter 7 Electric ComponentsPower supply PCB in control boxConnecting point Drive signalSymptoms resulting from improper connectio

154BES-960BC.1260BCChapter 7 Electric ComponentsCable signalsPower supply PCB in control box1H1 Vmm2 Vmm3 POV4 POV5 +24V6 24VGND7 GND8 +5V2H1 Vmm2 Vmm

155BES-960BC.1260BCChapter 7 Electric ComponentsPower supply PCB in control box6H1 Vmm2 Vmm3 POV4 POV5 +24V6 24VGND7 GND8 +5VP121 Vmm2 Vmm3 POV4 POV5

156BES-960BC.1260BCChapter 7 Electric ComponentsCable signals P11 +55V2 +55V5 +12V7 POV8 POV3 +55V4 +55V6 +12V9 POV10 POV P21 +55V2 +55V5 +12V7 POV8 P

157BES-960BC.1260BCChapter 7 Electric ComponentsCable signalsP181 AC200V2 AC200V3FGP281 +24V20VP261 AC18V23 AC18VPower supply PCB in control box181 AC

158BES-960BC.1260BCChapter 7 Electric Components17-3. Connectors in power supply PCB B in power supply baseConnecting point Drive signalSymptoms resul

159BES-960BC.1260BCChapter 7 Electric Components17-4. Connector in panel PCBConnecting point Drive signalSymptoms resulting from improper connection o

160BES-960BC.1260BCChapter 7 Electric Components17-5. Connectors in BC PCB

8BES-960BC.1260BCChapter 1 Mechanical Descriptions8. Presser foot lifter mechanism• When the power is turned on, the pulse motor q receives a signal

161BES-960BC.1260BCChapter 7 Electric ComponentsConnecting point Drive signalSymptoms resulting from improper connection or breakageP1P2P3P4P5P6P7P8P9

162BES-960BC.1260BCChapter 7 Electric ComponentsCable signals P11 BENCA2 BENCB3 GND4 BTHM5 +5V P21 BENCA2 BENCB3 GND4 BTHM5 +5V P3 (LMOTOR)1A2B3C4D5E

163BES-960BC.1260BCChapter 7 Electric Components17-6. Connectors in head PCBRotary switch¡Rotary switch is used by setting it to the same number as th

164BES-960BC.1260BCChapter 7 Electric ComponentsConnecting point Drive signalSymptoms resulting from improper connection or breakageP1P2P3P4P5P6P7P8P9

165BES-960BC.1260BCChapter 7 Electric ComponentsCable signals P7 (INDEX)1 +5V2 INDEX3 GND P9 (F-PM)1A2A3B4B P-1 (H-SW)1 +5V2 MENDLED3 UBKLE

166BES-960BC.1260BCChapter 7 Electric Components P3 (FSENS)1 +5V2 FOOT3 GND P5 (WSENS)1 +5V2 WIPER3 GNDP10 (JUNP)1 Vmm2 JSOLP111 Vmm2 WSOLHead PC

167BES-960BC.1260BCChapter 7 Electric Components17-7. Connectors on the rear of the control box

168BES-960BC.1260BCChapter 7 Electric ComponentsConnectors on the rear of the control boxConnecting point Symptoms resulting from improper connection

169BES-960BC.1260BCChapter 7 Electric ComponentsConnectors on the rear of the control boxConnecting point Symptoms resulting from improper connection

170BES-960BC.1260BCChapter 8. Finding Cause of ProblemChapter 8. Finding Cause of Problem1. Mechanical problemsIn case of a malfunction, diagnose the

9BES-960BC.1260BCChapter 1 Mechanical Descriptions9. Thread wiper mechanism• After sewing is finished, the wiper solenoid q moves the plate w in the

171BES-960BC.1260BCChapter 8. Finding Cause of ProblemThe power is turned on but the machine does not operate.The power LED on the panel is not lit ei

172BES-960BC.1260BCChapter 8. Finding Cause of ProblemError E-07 occurs.• After the pulley is turned manually, is it beyond the stop angle? Turn the p

173BES-960BC.1260BCChapter 8. Finding Cause of ProblemError E-0A occurs even though thread has not broken.Error E-18 occurs.Error E-A1 occurs.Error E-

174BES-960BC.1260BCChapter 8. Finding Cause of ProblemError E-B2 occurs.Error E-B3 occurs.Error E-B7 occurs.Error E-B8 occurs.• In PC test mode, check

175BES-960BC.1260BCChapter 8. Finding Cause of ProblemError E-BA occurs.Error E-C2 occurs.Error E-C3 occurs.NOTEThis error may rarely occur according

176BES-960BC.1260BCChapter 8. Finding Cause of ProblemError E-CB occurs. • In ENC test mode, turn the main shaft pulley manually. If it is too sluggis

177BES-960BC.1260BCChapter 8. Finding Cause of Problem• At the respective connectors of the two X-axis motors, measure the resistance between pins 1 a

178BES-960BC.1260BCChapter 8. Finding Cause of ProblemWiper solenoid does not work.The BC PCB has an abnormality.Jump solenoids and wiper solenoids on

179BES-960BC.1260BCChapter 8. Finding Cause of ProblemThe lower shaft module has an abnormality. • Turn off the machine power.• Separate connectors P1

180BES-960BC.1260BCChapter 9 Error code listChapter 9 Error code listError MeasuresNo error occurs.Either motor of main shaft, X- or Y-axis, o

10BES-960BC.1260BCChapter 1 Mechanical Descriptions10. Cap frame device• When the X-feed frame q moves in the direction of X, the cap frame device i

181BES-960BC.1260BCChapter 9 Error code listError MeasuresCodeE-2FE-31E-32E-33E-34E-36E-38E-39Hoop overhang (+X, -X, +Y, -Y)Need,le overhang (+X)N

182BES-960BC.1260BCChapter 9 Error code listError MeasuresCodeE-C4 Presser foot down error Press .E-C2E-C3Wiper out errorEmbroidering data b

183BES-960BC.1260BCChapter 9 Error code listError MeasuresCodeE-F9E-FAE-FBE-FFNo applicable commandInterface receive data sum check errorSend time

BES-960BC.1260BC184•Menu list 1 BC test menu Voltage adjust Value+5+1-1-5SetReturnBC Motor test Parameter setUpper speed up +50 spmUpper speed down -5

BES-960BC.1260BC185Control Block Diagram (BES-960BC, 1260BC)Rotary encoderMachinemotorNeedle stop positionsensorDriving shaft brakesolenoidNeighboring

BES-960BC.1260BC186Control box (BES-960BC, 1260BC)Control boxCoolingfanMain PCBPower supply PCBCooling fan Cooling fan

BES-960BC.1260BC187Heads (1-6) (BES-960BC)Heads (1-6)Rotary switch is used by setting it to thesame number as the head to be used.Head no.Switch no.Ju

BES-960BC.1260BC188Heads (1-6) (BES-1260BC)Heads (1-6)Rotary switch is used by setting it to thesame number as the head to be used.Head no. Switch no.

SERVICE MANUALPrinted in Japan155-960, C60I8040742B1998.11. (1)BROTHER INDUSTRIES,LTD. NAGOYA,JAPAN

BES-960BC.1260BCSAFETY INSTRUCTIONS1 Safety indications and their meaningsThis instruction manual and the indications and symbols that are used on the

11BES-960BC.1260BCChapter 2 Parts Replacement and AdjustmentIf the power switch needs to be left on when carryingout some adjustment, be extremely

12BES-960BC.1260BCChapter 2 Parts Replacement and Adjustment1. Remove the two connectors w from the rear of the adjustment base q. (At this time,

13BES-960BC.1260BCChapter 2 Parts Replacement and Adjustment4. Loosen the !4 bolts of the !4 change bracket collars o securing the connecting shaf

14BES-960BC.1260BCChapter 2 Parts Replacement and Adjustment[Reassembling the head]1. Hook the head q on the projections of the bridge w, make con

15BES-960BC.1260BCChapter 2 Parts Replacement and Adjustment4. Attach the connector of the rotary encoder !4 to the en-coder bracket !5 using the

16BES-960BC.1260BCChapter 2 Parts Replacement and Adjustment7. Align the slit of the needle bar cam !8 with that of thecollar @0, and secure the l

17BES-960BC.1260BCChapter 2 Parts Replacement and Adjustment11.Turn on the power of the machine.12.Press the stop switch and the jog switch (∆) si

18BES-960BC.1260BCChapter 2 Parts Replacement and Adjustment2. Removing the needle bar case[Notes on assembly]• The needle bar case q should move

19BES-960BC.1260BCChapter 2 Parts Replacement and Adjustment3. Replacing and adjusting the thread take-up lever1. Loosen the set screws w on the r

20BES-960BC.1260BCChapter 2 Parts Replacement and Adjustment4. Replacing the needle bar1. Remove the set screw q and the needle w.2. Remove the ne

BES-960BC.1260BCBe sure to wear protective goggles and gloveswhen handling the lubricating oil or grease, so thatno oil or grease gets into your eyes

21BES-960BC.1260BCChapter 2 Parts Replacement and Adjustment5. Replacing the jump bracket1. Loosen the screw q on the left of the head.2. Remove t

22BES-960BC.1260BCChapter 2 Parts Replacement and Adjustment6. Replacing and adjusting the jump solenoid1. Remove the three bolts, and the jump so

23BES-960BC.1260BCChapter 2 Parts Replacement and Adjustment7. Replacing the rotary encoder and the sensor PCBReplacing the rotary encoder1. Remov

24BES-960BC.1260BCChapter 2 Parts Replacement and Adjustment8. Replacing timing belt X1. Turn off the power.2. Remove the screws and the X-feed co

25BES-960BC.1260BCChapter 2 Parts Replacement and Adjustment9. Replacing timing belt Y1. Turn off the power.2. Remove the screws and the X-feed co

26BES-960BC.1260BCChapter 2 Parts Replacement and Adjustment[Notes on re-assembly]1. Remove table covers L q and R w.2. From the back of the frame

27BES-960BC.1260BCChapter 2 Parts Replacement and Adjustment10. Replacing the driving wire[Removing the driving wire]1. Remove the screws, the X-f

28BES-960BC.1260BCChapter 2 Parts Replacement and Adjustment11. Replacing and adjusting the presser lifter parts11-1. Presser foot[Replacing the p

29BES-960BC.1260BCChapter 2 Parts Replacement and Adjustment6. Remove the three screws o, and the presser foot guideplate !0.7. Remove the presser

30BES-960BC.1260BCChapter 2 Parts Replacement and Adjustment11-3. Replacing and adjusting the W retracting lever and the RET motor lever[Replacing

BES-960BC.1260BCBe sure to wear protective goggles and gloveswhen handling the lubricating oil or grease, so thatno oil or grease gets into your eyes

31BES-960BC.1260BCChapter 2 Parts Replacement and Adjustment11-4. Replacing and adjusting the pulse motor1. Remove the connector e of the pulse mo

32BES-960BC.1260BCChapter 2 Parts Replacement and Adjustment12. Replacing and adjusting the gears related to the needle bar flip-up mechanism[Repl

33BES-960BC.1260BCChapter 2 Parts Replacement and AdjustmentBES-1260BC[Replacing the cam gears]1. Loosen the screw, and remove the cover q.2. Remo

34BES-960BC.1260BCChapter 2 Parts Replacement and Adjustment13. Replacing and adjusting the potentiometerqBES-960BCBES-1260BCrtouyiw!0rte1. Turn o

35BES-960BC.1260BCChapter 2 Parts Replacement and Adjustment6. Pass the cable !2 for the new potentiometer !1 into the bridge u from the change bo

36BES-960BC.1260BCChapter 2 Parts Replacement and AdjustmentSTOPSTART!1!1q10.Check that there is no error being displayed on the op-eration panel.

37BES-960BC.1260BCChapter 2 Parts Replacement and Adjustment14. Replacing and adjusting the movable and fixed knives• After replacing the movable

38BES-960BC.1260BCChapter 2 Parts Replacement and Adjustment15. Replacing and adjusting the lower shaft module1. Remove the screws, needle plate B

39BES-960BC.1260BCChapter 2 Parts Replacement and Adjustment[Adjustment]Checking the needle penetration location• Right and left adjustmentLoosen

40BES-960BC.1260BCChapter 2 Parts Replacement and AdjustmentItems to be checked when replacing the lower shaft module• When attaching the lower sh

BES-960BC.1260BCCONTENTSChapter 1 Mechanical Descriptions... 11. Feed g

41BES-960BC.1260BCChapter 2 Parts Replacement and Adjustment16. Replacing the presser foot switch1. Remove the screw, and the cover q on the right

42BES-960BC.1260BCChapter 2 Parts Replacement and Adjustment17. Replacing and adjusting the solenoid that controls pulley1. Remove the screws, and

43BES-960BC.1260BCChapter 3 Standard AdjustmentChapter 3 Standard AdjustmentTurn off the power switch and pull out the plugbefore starting adjustment.

44BES-960BC.1260BCChapter 3 Standard Adjustment1. Dismount the pulley cover and turn the pulley q until the pulley scale indicates 180˚ and the needle

45BES-960BC.1260BCChapter 3 Standard Adjustment When using the bottom dead center gauge180°qqw!0Do not hit thissection.!0Tighten the screwu so that th

46BES-960BC.1260BCChapter 3 Standard Adjustment1. Turn the pulley q until the scale of pulley q indicates 180˚ (where the pulley indication mark "

47BES-960BC.1260BCChapter 3 Standard Adjustment2. Adjustment of Clearance Between Needle and Rotary Hook1. Turn the power switch off.2. Select the nee

48BES-960BC.1260BCChapter 3 Standard Adjustment3. Adjustment of Timing Between Needle and Rotary Hook1. Turn the power switch on.2. Check that the mac

49BES-960BC.1260BCChapter 3 Standard Adjustment7. After timing adjustment the is finished for each head, setthe pulley to the stop position (at 100˚ o

50BES-960BC.1260BCChapter 3 Standard Adjustment4. Adjusting the clearance between the rotary hook and the inner rotary1. The clearance between the rot

BES-960BC.1260BC12. Replacing and adjusting the gears related to the needle bar flip-up mechanism ... 3213. Replacing and adjusting the potent

51BES-960BC.1260BCChapter 3 Standard Adjustment5. Adjustment of Presser Foot Height1. Turn the power switch off.2. Select the needle bar q No.1.3. Loo

52BES-960BC.1260BCChapter 3 Standard Adjustment6. Adjustment of Thread TrimmerAttach the fixed knife q to the pin w and move it back-ward to the end o

53BES-960BC.1260BCChapter 3 Standard Adjustment * Precautions for tightening the two bolts e:• The thread trimmer connecting rod B q has a backlashof

54BES-960BC.1260BCChapter 3 Standard AdjustmentIf thread trimming error often occursWhen the upper thread is trimmed, a thread trimming erroroccurs du

55BES-960BC.1260BCChapter 3 Standard Adjustment7. Adjusting the thread wiper1. Move the solenoid arm q in the direction of the arrow with your finger.

56BES-960BC.1260BCChapter 3 Standard Adjustment8. Adjusting the jump solenoid1. Make sure that the projection of the jump bracket q completely fits in

57BES-960BC.1260BCChapter 3 Standard Adjustment9. Adjusting the switch1. Select needle bar no.6, and turn off the power.2. Remove screws, the UR cover

58BES-960BC.1260BCChapter 3 Standard Adjustment1. Select needle bar no.6, and turn off the power.2. Remove screws, the UR cover q, the UR switch cover

59BES-960BC.1260BCChapter 3 Standard Adjustment5. While pressing the jog switch ( ) on the machine panel, turn on the power.Note:When turning on th

60BES-960BC.1260BCChapter 3 Standard Adjustment9. Loosen the two screws o, and vertically move the microswitch holder i, which is on the lower right o

BES-960BC.1260BC15-3. Adjusting cap support plates L and R ... 7415-4. Adjusting

61BES-960BC.1260BCChapter 3 Standard Adjustment1. Remove the screws w, and the X-feed cover q.2. Move the X-feed frame e all the way towards the pulse

62BES-960BC.1260BCChapter 3 Standard Adjustment10-2. Timing belt Y1. Remove the screws w and the X-feed cover q.2. Remove the 13 screws r from the Y-f

63BES-960BC.1260BCChapter 3 Standard Adjustment4. Loosen the eight bolts !1 securing the Y pulley bracket!0.5. Turn the tension adjusting bolts !3 of

64BES-960BC.1260BCChapter 3 Standard AdjustmentPositioning Y-feed frame (Perform from the rear of the machine.)1. Remove the screws, and table covers

65BES-960BC.1260BCChapter 3 Standard Adjustment11. Adjusting the driving wire1. Loosen the four bolts w of the pulley base q, and turnthe bolt e to ad

66BES-960BC.1260BCChapter 3 Standard Adjustment12. Adjusting the Y-carriageThe sliding resistance of the Y carriage with the tubular frame on is 147 N

67BES-960BC.1260BCChapter 3 Standard Adjustment12-1. When the sliding resistance of the Y-carriage is below thestandard valueCheck the clearance betwe

68BES-960BC.1260BCChapter 3 Standard Adjustment12-2. When the sliding resistance of the Y-carriage is over the stan-dard valueqwyuiter• Loosen the bol

69BES-960BC.1260BCChapter 3 Standard Adjustment12-3. When the sliding resistance of the Y-carriage is over the stan-dard value even after adjustment 2

70BES-960BC.1260BCChapter 3 Standard Adjustment13. Adjusting the rotary encoder and sensor PCB• The rotary encoder and sensor PCB is used to detect th

BES-960BC.1260BC3. Greasing ...

71BES-960BC.1260BCChapter 3 Standard Adjustment13-2. Adjusting the synchronizing signalUse the [ECd] test mode on the operation panel.1. Turn on the p

72BES-960BC.1260BCChapter 3 Standard Adjustment14. Adjusting the bobbin winder1. Remove the two screws q, and the bobbin winder set w.2. Move the bobb

73BES-960BC.1260BCChapter 3 Standard Adjustment15. Adjusting the wire of the cap frame attachment1. Loosen the screw e, and adjust the wire tension q

74BES-960BC.1260BCChapter 3 Standard Adjustment15-2. Adjusting the feed rollerqrwX direction0.5mmteWhen the cap frame sash q moves in the X direction

75BES-960BC.1260BCChapter 3 Standard Adjustment15-4. Adjusting the presser foot heightre0.5mmqw1. Turn the pulley q until the "❚❚❚" mark on

76BES-960BC.1260BCChapter 4 Test modeChapter 4 Test mode[Test mode on the operation panel]1. Starting test modeWith the PC in standby mode, press

77BES-960BC.1260BCChapter 4 Test mode3. Test mode functions3-1. Thread trimmer adjustment1. Indication "tcut" will blink on the 7 segment

78BES-960BC.1260BCChapter 4 Test mode3-3. Home position searching test1. The 7 segment LED shows "C-F."2. Press jog switch ( ) or (

79BES-960BC.1260BCChapter 4 Test mode3-5. Switch and LED test on operation panel and head1. Indication "dISP" will blink on the 7 segment

80BES-960BC.1260BCChapter 4 Test mode3-6. Presser foot test1. With "Foot" indicated on the 7 segment LED, press the start switch. The pre

BES-960BC.1260BC17-4. Connector in panel PCB ... 15917-5.

81BES-960BC.1260BCChapter 4 Test mode3-8. Driving shaft rotation test1. Press either of the following switches to set the rotation of the driving sh

82BES-960BC.1260BCChapter 4 Test mode4. Press the start switch. "XXYY" will appear on the 7 segment LED.XX: X stitch compensation valueYY

83BES-960BC.1260BCChapter 4 Test mode3-10. Adjusting the timing between the needle and the rotary hook1. Select "AJSt" test mode, and pres

84BES-960BC.1260BCChapter 4 Test mode3-12. Power voltage and frequency indication1. With "AC" indicated on the 7 segment LED, press the st

85BES-960BC.1260BCChapter 4 Test mode70000000011111111600001111000011115001100110011001140101010101010101BIT3000000001111111120000111100001111100110

86BES-960BC.1260BCChapter 4 Test mode3-16. Error sound switching1. "on" (with error sound) or "OFF" (without error sound) appear

87BES-960BC.1260BCChapter 4 Test mode[Test mode and each function on the PC]Note:Most functions are performed on the PC, however the emergency stop

88BES-960BC.1260BCChapter 4 Test modeWhen finishing the test mode, return to the original stage from the current stage, and select command "6.T

89BES-960BC.1260BCChapter 4 Test mode2. The dialog box about this application will appear indicating machine controller's and master I/F's

90BES-960BC.1260BCChapter 4 Test mode2. The machine feature dialogue will appear indicating the main CPU ROM version, the lower shaft CPU ROM versio