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Brother BAS-311H Instruction Manual Download Page 76

10. STANDARD ADJUSTMENTS 

 

BAS-311H 

67 

10-17. If processing the work clamps and the feed plate to a shape that 

matches the sewing pattern 

 
Process the work clamps and feed plate which match the sewing pattern, while referring to the processing diagram below. 
* Values in ( ) are the recommended sizes when sewing using the maximum area (150x100 mm). 
 

 

<Work clamp processing diagram>

 

Motor-driven work clamp specifications 

Center of sewing area

 

[mm] 

3159B

<Feed plate processing diagram>

 

Recommended thickness 1.5 mm 

 

Center of sewing area

 

Pneumatic work clamp specifications

 

The left and right work clamps are symmetrical.

 

Center of sewing area

 

[mm] 

[mm] 

Summary of Contents for BAS-311H

Page 1: ...BAS 311H Please read this manual before using the machine Please keep this manual within easy reach for quick reference DIRECT DRIVE PROGRAMMABLE ELECTRONIC PATTERN SEWER INSTRUCTION MANUAL ...

Page 2: ...l sewing machines it is normal to carry out work while positioned directly in front of moving parts such as the needle and thread take up lever and consequently there is always a danger of injury that can be caused by these parts Follow the instructions from training personnel and instructors regarding safe and correct operation before operating the machine so that you will know how to use it corr...

Page 3: ...hich follow this term indicate situations where failure to follow the instructions could result in death or serious injury CAUTION The instructions which follow this term indicate situations where failure to follow the instructions may result in minor or moderate injury Symbols This symbol indicates something that you should be careful of The picture inside the triangle indicates the nature of the...

Page 4: ...ssively dry or humid environments and dew formation may cause problems with correct operation In the event of an electrical storm turn off the power and disconnect the power cord from the wall outlet Lightning may cause problems with correct operation Installation Machine installation should only be carried out by a qualified technician Contact your Brother dealer or a qualified electrician for an...

Page 5: ...to your eyes or onto your skin inflammation can result Furthermore do not drink or eat the lubricating oil or grease They may cause diarrhea or vomiting Keep the oil out of the reach of children Maintenance and inspection Maintenance and inspection of the sewing machine should only be carried out by a qualified technician Ask your Brother dealer or a qualified electrician to carry out any maintena...

Page 6: ... head and returning it to its original position Be sure to connect the ground If the ground connection is not secure you run a high risk of receiving a serious electric shock and problems with correct operation may also occur Direction of operation Be careful to avoid injury from moving parts Do not hold otherwise problems with operation or injury may occur Safety devices Devices such as eye guard...

Page 7: ...v 3028B 3029B Tension release solenoid cover Inner cover L Outer cover Fixed cover Thread take up cover Finger guard Gas spring support cover Eye guard Side cover Rear cover Inner cover R Outer cover Fixed cover ...

Page 8: ...2 Threading the upper thread 22 4 3 Winding the lower thread 24 4 4 Installing the bobbin case 25 4 5 Thread tension 26 4 5 1 Lower thread tension 26 4 5 2 Upper thread tension 26 4 6 Starting up 27 5 USING THE OPERATION PANEL BASIC OPERATIONS 28 5 1 Name and function of each operation panel item 28 5 2 Program setting method 30 5 2 1 Parameter list 31 5 2 2 Using the lower thread counter 33 5 2 3...

Page 9: ... guard 57 10 6 Adjusting the needle clearance 58 10 7 Adjusting the shuttle race thread guide 58 10 8 Rotary hook lubrication amount 58 10 9 Adjusting the position of the movable knife 59 10 10 Replacing the movable and fixed knives 61 10 11 Installing the feed plate 62 10 12 Adjusting the thread wiper 63 10 13 Presser foot installation position 63 10 14 Changing the intermittent stroke 64 10 15 A...

Page 10: ...ty devices 2 Control box 11 Finger guard 3 Operation panel 12 Eye guard 4 Foot switch 13 Thread take up cover 5 Work clamp switch 14 Rear cover 6 Start switch 7 STOP switch 8 Pulley 9 Cotton stand 10 Solenoid valve pneumatic work clamp specifications 3030B Two pedal foot switch ...

Page 11: ... Motor driven work clamp specifications Integrated type work clamp Pneumatic work clamp specifications Separate type work clamp Intermittent presser foot lift amount 22 mm Intermittent stroke 2 4 5 mm 4 5 10 mm or 0 Default setting 3 mm Hook Double capacity shuttle hook standard shuttle hook sold separately Wiper device Standard equipment Thread trimmer Standard equipment Data storage method Inter...

Page 12: ...ad with both hands when tilting it back or returning it to its original position Furthermore do not apply excessive force when tilting back the machine head The sewing machine may become unbalanced and fall down and serious injury or damage to the sewing machine may result All cords should be secured at least 25 mm away from any moving parts Furthermore do not excessively bend the cords or secure ...

Page 13: ...hould be at least 40 mm and it should be strong enough to bear the weight and vibration of the sewing machine Check that the control box is at least 10 mm away from the leg If the control box and the leg are too close together it may result in incorrect sewing machine operation 3181B ...

Page 14: ...ws 1 and then remove the control box cover 2 3 Control box 4 Bolts 4 pcs 5 Plain washers 4 pcs 6 Spring washers 4 pcs 7 Nuts 8 pcs 8 Power switch 9 Wood screws 2 pcs 10 Staples 4 pcs 3 3 Installing the oil pan 1 Oil pan 2 Nails 6 pcs 3 Waste oil tank 3034B 1841B Operator 3033B ...

Page 15: ... pan NOTE Be careful not to get the cords clamped between the machine head and the oil pan When holding the machine head do not hold it by the pulse motor This may cause problems with operation of the pulse motor 4 Hinge holders 2 pcs 5 Bolts 4 pcs 6 Plain washers 4 pcs 7 Nuts 4 pcs 8 Head rest 9 Bolts with washer 4 pcs 3035B Pulse motor Approx 20 mm 3036B Approx 20 mm ...

Page 16: ...mm above the needle plate 10 Gently tilt back the machine head NOTE Install the auxiliary plate 10 so that it is horizontal If the auxiliary plate 10 is lower than the needle plate the feed plate may get caught on the needle plate Two or more people should tilt back the machine head and it should be tilted gently while being held with both hands Needle plate 3037B ...

Page 17: ... Plain washers 2 pcs 20 Retaining rings E 2 pcs 21 Bolts 2 pcs 22 Plain washers medium 2 pcs 23 Plain washers large 2 pcs 24 Spring washers 2 pcs 25 Nuts 2 pcs 26 Gas spring shaft U 27 Retaining rings E 2 pcs 28 Gas spring support cover 29 Bolts with washer 6 pcs 3038B 3039B Be sure to install so that the side with UP on it is facing upward ...

Page 18: ...wn in the illustration 3 Check that the machine head switch as turned on as shown in figure A If the machine head switch is not turned on adjust the installation position while referring to 3 17 Checking the machine head switch 3 5 Installing the operation panel 1 Operation panel 2 Wood screws 4 pcs Pass the panel cord through the hole in the table and then insert it into the control box through t...

Page 19: ... sewing The work clamp lowering method can be changed using memory switch No 002 Refer to 6 2 List of memory switch settings 3 7 Connecting the cords 1 Gently tilt back the machine head 2 Pass the cord bundle through the hole in the work table 3 Loosen the two screws 1 and then open the cord presser plate 2 in the direction of the white arrow and pass the cord bundle through the opening 4 Securely...

Page 20: ...2 Machine head switch 3 pin P14 HEAD SW 2 Conversion harness two pedal foot switch 7 pin White P15 PEDAL 2 Machine head memory 6 pin P16 HEAD M 2 Thread trimmer solenoid 6 pin P2 SOL1 1 Digital tension 4 pin P3 SOL2 1 X pulse motor 4 pin White P21 XPM 1 Y pulse motor 4 pin Blue P22 YPM 1 Work clamp pulse motor 4 pin Black P23 PPM 1 Operation panel 8 pin Red P32 PROGRAMMER 2 Home position sensor 12...

Page 21: ... the cord presser plate 2 in the direction of the white arrow and secure it by tightening the two screws 1 NOTE Close the cord presser plate 2 securely so that no foreign objects insects or small animals can get inside the control box 6 Check that the cords do not get pulled and then gently return the machine head to its original position 3047B Motor P C board Lock the cord clamps 2 and 4 securely...

Page 22: ... shock and problems with correct operation may also occur 1 Ground wire from the machine head 2 Ground wire from operation panel 3 Ground wires from two pedal foot switch harnesses 2 wires Tighten the control box cover with the six screws Check that the cords are not clamped by the cover at this time NOTE Make sure that the ground connections are secure in order to ensure safety 3045B ...

Page 23: ...tions EU specifications 1 Filter box 2 Screws 4 pcs 3 Staples 7 pcs 4 Power cord 1 Attach an appropriate plug to the power cord 4 The green and yellow wire is the ground wire 2 Insert the power plug into a properly grounded electrical outlet NOTE Take care when tapping in the staples 3 to make sure that they do not pierce the cords Do not use extension cords otherwise machine operation problems ma...

Page 24: ...e 2 Insert the power plug into a properly grounded electrical outlet NOTE Take care when tapping in the staples 5 to make sure that they do not pierce the cords Do not use extension cords otherwise machine operation problems may result 3 Use the six screws to tighten the cover of the control box Check that none of the cords are being clamped by the cover at this time 3146B 3147B Green and yellow w...

Page 25: ... AC power supply The inside of the control box uses single phase power NOTE If the ground connection is not secure electric shocks operating errors or damage to electronic components such as P C boards may occur Take care when tapping in the staples 7 to make sure that they do not pierce the cords Do not use extension cords otherwise machine operation problems may result 3 Use the six screws to ti...

Page 26: ...3 INSTALLATION 17 BAS 311H 3 10 Installing the cotton stand 1 Cotton stand NOTE Fit the washer 2 and then securely tighten the nut 3 so that the cotton stand does not move 3043B ...

Page 27: ... the corresponding number Adjusting the speed controller You can use the valve knobs to adjust the lifting and lowering speeds The valve knobs should be adjusted so that the left and right sides of the work clamp operate at the same speed When the upper knob is tightened the lifting speed becomes slower When it is loosened the lifting speed becomes faster When the lower knob is tightened the lower...

Page 28: ...rd tilt forward 3 Eye guard assembly 4 Plain washers 2 pcs 5 Bolts 2 pcs After installing the eye guard assembly 3 return the eye guard 2 to its original angle and then tighten the screw 1 to secure it in place 3 13 Installing the side cover and rear cover 1 Side cover 2 Screws 4 pcs 3 Rear cover 4 Screws 4 pcs NOTE Be careful not to clamp the cords when installing the side cover and the rear cove...

Page 29: ... after long periods of non use Use only the lubricating oil JX Nippon Oil Energy Corporation Sewing Lube 10N VG10 specified by Brother If this type of lubricating oil is difficult to obtain the recommended oil to use is Exxon Mobil Essotex SM10 VG10 1 Fill the arm side oil tank with oil 2 Fill the bed side oil tank with oil NOTE Be sure to fill the machine with oil when the oil level is down to ab...

Page 30: ...the machine head fixing bolt 3 16 Installing the bobbin winder tension 1 Bobbin winder tension 2 Set screw 1 pc 3 17 Checking the machine head switch 1 Turn on the power switch 2 Check that no error numbers appear on the operation panel If error E050 E051 or E055 is displayed If the machine head switch 1 is not turned on error E050 E051 or E055 will occur Use the screw 2 to adjust the installation...

Page 31: ... correctly as shown in the illustration below When using threading mode for threading the tension discs 1 will open so that the thread can be threaded more easily Refer to following page Turn the machine pulley 2 and raise the thread take up 3 to its highest position before threading the upper thread This will make threading easier and it will prevent the thread from coming out at the sewing start...

Page 32: ...ch 2 THREAD CLAMP indicator illuminates MENU indicator switches off Press the THREAD CLAMP key The work clamp will drop The tension discs will open 3 Threading the thread 4 Ending threading mode THREAD CLAMP indicator switches off Press the THREAD CLAMP key The work clamp will return to where it was before threading mode was started 3055B 3061B 4427Q All indicators switch off 2390B ...

Page 33: ...the ENTER key 3 after the machine starts operating and keep depressing the foot switch until the lower thread stops being wound onto the bobbin If you release the foot switch before winding is complete and then depress it again while pressing the ENTER key 3 winding will start again 7 Once winding of the set amount of lower thread 80 90 of the bobbin capacity is completed the bobbin presser arm 2 ...

Page 34: ...ard to open it 2 While holding the bobbin so that the thread winds to the right insert the bobbin into the bobbin case 3 Pass the thread through the slot 2 and pull it out from the thread hole 3 4 Check that the bobbin turns in the direction of the arrow when the thread is pulled 5 Pass the thread through the lever thread hole 4 and then pull out approximately 30 mm of thread 6 Hold the latch on t...

Page 35: ...x 5 16 DP x 17 19 DP x 17 25 Normal sewing speed 2 000 sti min 2 000 sti min 1 300 sti min 4 5 1 Lower thread tension Adjust the thread tension to the weakest possible tension by turning the thread tension nut 1 until the bobbin case will not drop by its own weight while the thread end coming out of the bobbin case is held 4 5 2 Upper thread tension 1 Turn the tension nut 1 main tension to adjust ...

Page 36: ...splay Medium weight materials Motor driven work clamp 03S Medium weight materials Pneumatic work clamp 03A Heavy weight materials Motor driven work clamp 05S Heavy weight materials Pneumatic work clamp 05A Seatbelts 07A After this the program number will flash in the program No display 6 2 Depress the foot switch 7 to the 2nd step The sewing machine will move to the home position and the work clam...

Page 37: ...inates when the TEST key 4 has been pressed 6 THREAD CLAMP key Used to start threading mode or work clamp height setting mode 7 THREAD CLAMP indicator Illuminates when the THREAD CLAMP key 6 has been pressed 8 X SCALE indicator Illuminates when the SELECT key 14 is pressed to switch to the X scale setting 9 Y SCALE indicator Illuminates when the SELECT key 14 is pressed to switch to the Y scale se...

Page 38: ...m numbers 16 Menu display Displays information such as menu setting values memory switch settings and error codes 17 Setting keys Used to change the value which is displayed in the PROGRAM No display 15 18 Setting keys Used to change the value which is displayed in the menu display 16 19 TENSION key Not used 20 TENSION indicator Not used 21 SECTION No display Not used 22 TENSION display Shows the ...

Page 39: ...hread wiping 2 Change the setting for the parameter Refer to 5 2 1 Parameter list on the next page for details on parameter changes Press the or key to change the parameter setting 3 Repeat steps 1 to 2 above to record the settings for each parameter When memory switch No 400 is set to ON the horizontal scale vertical scale sewing speed and work clamp height can be recorded separately for each pro...

Page 40: ...s 100 The setting can be displayed in mm units by setting memory switch No 402 to ON Y scale 0 400 Limited by available sewing area Initial value is 100 The setting can be displayed in mm units by setting memory switch No 402 to ON Sewing speed 200 sti min to 2800 sti min Setting units are 100 sti min Initial value is 2000 sti min 3074B 3073B Initial value Initial value Initial value 3075B ...

Page 41: ...Lo4 Lo5 Lo6 Lo7 Lo8 Lo9 Sewing speed for 1st stitch 200 200 300 400 400 400 400 600 800 Sewing speed for 2nd stitch 200 300 400 400 500 600 800 1000 1200 Sewing speed for 3rd stitch 300 400 500 600 800 1000 1200 1600 1 Sewing speed for 4th stitch 500 600 700 900 1200 1400 1 1 1 Slow start pattern 1 Sewing will be carried out at the sewing speed which is set by the parameters Counter Refer to 5 2 3...

Page 42: ...ll operate It operates even if the lower thread counter display is not active If you press the SELECT key so that the COUNTER indicator illuminates the current counter value will be displayed in the menu display 1 1 Each time the sewing of a single article is completed the value shown in the menu display 1 is reduced by 1 2 If the lower thread counter becomes 0000 the menu display 1 and the COUNTE...

Page 43: ... Production counter operation The production counter is always operating It operates even if the production counter display is not active If you press the SELECT key so that the COUNTER indicator illuminates when memory switch No 300 is ON the current production counter value will be displayed in the menu display instead of the lower thread counter value The SPEED indicator will also illuminate at...

Page 44: ...work clamp before depressing the start switch The feed mechanism will move to the home position and the program number will be accepted The program number will stop flashing and illuminate steadily 3 Press the SELECT key 3 so that the SPLIT No indicator 4 illuminates The split number will appear in the menu display 5 4 Press the or key 6 to set the split number The setting for memory switch No 403...

Page 45: ...e menu display and the copying destination program number will appear in the tension value display 3 Select the copying destination program number Press the or key to change the copying destination program number If a program has already been recorded in the selected copying destination program number will appear in the section display 4 Copy the program Press the ENTER key The program items will ...

Page 46: ...sm is moving the speed of the feeding operation will become faster while the foot switch is being depressed Test interrupt mode TEST indicator flashes Paused sewing standby mode TEST indicator switches off If you would like to stop the feeding operation press the TEST key If you depress the treadle to the 2nd step feeding operation will restart If you would like sewing to resume from the point whe...

Page 47: ... or key to change the height the height display will flash If you press the RESET key while the height display is flashing the setting value will return to the value before the change was made Press the ENTER key to accept the setting When the setting value for memory switch No 003 is 2 Press the key The sewing machine will switch to intermediate work clamp height setting mode 3 will appear in the...

Page 48: ...n work clamp specifications 1 Threading mode 2 Work clamp height setting mode 3 Intermediate work clamp height setting mode 4 Intermittent presser foot height setting mode Pneumatic work clamp specifications 1 Threading mode 4 Intermittent presser foot height setting mode 4 Ending setting mode THREAD CLAMP indicator switches off Press the THREAD CLAMP key The setting values will be memorized The w...

Page 49: ...he or key 1 The numbers of memory switches that have been changed from default settings will appear in order 3 Change the memory switch parameters Press the or key to change the setting value The flashing display means that the setting has not yet been applied You can make the initial setting appear in the display by pressing the RESET key 4 Apply the changed parameter setting Press the ENTER key ...

Page 50: ... and work clamp is fully lowered and sewing starts when the pedal is depressed to the 2nd step 2 Slow start method OFF The sewing speed for the first 5 stitches will be in accordance with the setting for memory switch Nos 151 to 155 Ask the place of purchase for details on memory switch Nos 151 to 155 100 ON The sewing speed for the first 5 stitches can be selected from the nine slow start pattern...

Page 51: ... Assignment to F1 key Memory switch No 407 Assignment to F2 key Memory switch No 408 Assignment to F3 key Memory switch No 409 Assignment to F4 key Memory switch No 410 0 Assignment to F1 key 407 100 to 999 C01 to C30 If memory switch No 406 3 operation switches to the program number which has been set 101 Assignment to F2 key 408 100 to 999 C01 to C30 If memory switch No 406 3 operation switches ...

Page 52: ...isplay and the program number will be displayed in the TENSION display If no program has been recorded for a step will be displayed for that step 2 Select a cycle program number TEST indicator flashes Press the or key to select the cycle program number that you would like to use St 1 will be displayed 3 Select the program number to be recorded in step 1 TEST indicator flashes Press the or key 2 to...

Page 53: ...n the same way Press the or key 5 to display the step number you would like to record in the menu display 6 6 If you would like to continue setting another cycle program repeat steps 2 to 5 above 7 End cycle program recording mode TEST indicator switches off Press the TEST key This completes the recording of cycle programs 2404B ...

Page 54: ...the menu display 2 When you press the SELECT key the menu display 2 and the menu indicator 3 are switched so that you can check the program parameters for that step 2 Carry out sewing while referring to 8 Sewing The recorded programs are carried out in the order of the steps and when the last step is completed sewing returns to the first step If you press the or key you can return to the previous ...

Page 55: ...rameters which can be selected will vary depending on the memory switch settings 406 0 Initial setting Program No 101 Program No 102 Program No 103 Program No 104 406 1 Program No C01 Program No C02 Program No C03 Program No C04 406 2 Item specified by memory switch No 407 Item specified by memory switch No 408 Item specified by memory switch No 409 Item specified by memory switch No 410 2441B 244...

Page 56: ... in the menu display 1 Reference If the or key 1 is pressed at this time you can select the items to be initialized as shown below For details on initialization items other than ALL contact the place of purchase PROGRAM No display Main display Initialization item 1 ALL All data in memory is cleared or initialized 2 MEM Memory switch settings are initialized 3 SEW All sewing programs or individual ...

Page 57: ...ards are those sold by SanDisk and Panasonic Cards from other manufacturers may use different formatting methods and may not work correctly as a result For additional information refer to the instruction manual included with the SD cards that you have purchased This product is compatible with SD cards that have been formatted using the FAT16 32 method Cards that have been formatted using other for...

Page 58: ...ss the or key to select the mode Read write mode list PROGRAM No display Menu display Setting items r 1 Sew Additional sewing data is read from the SD card w 2 Sew Additional sewing data is written to the SD card r 3 MEM Memory switch settings are read from the SD card w 4 MEM Memory switch settings are written to the SD card r 5 PrG Reads sewing program data and cycle program data from the SD car...

Page 59: ...ll be displayed 3 While reading The number for the additional sewing data number which is currently being read will appear in the tension value display Press the ENTER key The buzzer will sound and the selected additional sewing data will be read from the SD card and copied into the sewing machine s internal memory If no additional sewing data exists an error buzzer will sound 4 When the display r...

Page 60: ...rn on the power switch 2 Press the or key 1 to select the sewing program number that you would like to use Refer to 7 4 Reading additional sewing data for details on reading sewing data from a SD card 3 Depress the foot switch to the 2nd step If using a two pedal foot switch lower the work clamp 3 before depressing the start switch 2 The feed mechanism will move to the home position 4 Place the ma...

Page 61: ...he STOP switch 1 at times such as if the thread breaks while sewing or the lower thread runs out you can resume sewing from the point where the thread ran out 1 Press the RESET key The thread will be trimmed and then the CAUTION indicator will switch off and the buzzer will stop sounding 2 Press the key to return to the position where sewing stopped When you press the key the feed mechanism will m...

Page 62: ...t into your eyes or onto your skin inflammation can result Furthermore do not drink or eat the lubricating oil or grease They may cause diarrhea or vomiting Keep the oil out of the reach of children 9 1 Cleaning the rotary hook 1 Pull the shuttle race cover downward to open it and then remove the bobbin case 2 Open the setting claw 1 in the direction indicated by the arrow and then remove the shut...

Page 63: ...is full 2 After emptying the waste oil tank 1 screw it back into its original position 9 4 Cleaning the eye guard Wipe the eye guard clean with a soft cloth NOTE Do not use solvents such as kerosene or thinner to clean the eye guard 9 5 Checking the needle Always check that the tip of the needle is not broken and also that the needle is not bent before starting sewing 9 6 Lubrication Lubricate the...

Page 64: ...e machine head with both hands when tilting it back or returning it to its original position In addition do not apply excessive force when tilting back the machine head The sewing machine may become unbalanced and fall down and serious injury or damage to the sewing machine may result If the power switch needs to be left on when carrying out some adjustment be extremely careful to observe all safe...

Page 65: ...sion NOTE If the thread tension spring is not adjusted correctly the upper thread trailing length will be uneven after thread trimming 10 3 Arm thread guide R The standard position of arm thread guide R 1 is when the screw 2 is aligned with the index mark Loosen the screw 2 and move arm thread guide R 1 to adjust When sewing heavy material move arm thread guide R 1 to the left The thread take up a...

Page 66: ...raise the needle bar from the lowest position until the lowest reference line on the needle bar reference line B is aligned with the lower edge of the needle bar bush 1 If using a DP x 5 needle align with reference line b which is the second reference line from the top 2 Loosen the bolt 2 3 Move the driver 3 back and forth to adjust so that it is touching the needle when the tip of the rotary hook...

Page 67: ...e NOTE If the shuttle race thread guide is in the wrong position thread breakages soiled thread or tangling of the thread may occur The position of the shuttle race thread guide is adjusted at the time of shipment from the factory It should not be changed if possible 10 8 Rotary hook lubrication amount The optimum position is when the head of the set screw 1 is aligned with the edge of the bed The...

Page 68: ...am 4 turn the pulley 1 by hand to set the driving lever 5 to the reverse position when the thread take up 6 is close to its lowest position 4 Loosen the two screws 7 and then remove the cover 8 5 Loosen the bolt 9 6 Move the movable knife connecting plate 11 back and forth to adjust so that the distance from the ridge on the right side of the needle plate to the ridge on the movable knife 10 is 9 ...

Page 69: ...ut 12 and then check that the collar 3 is not touching the inside of the groove in the thread trimmer cam 4 In addition push the driving lever 5 by hand toward the thread trimmer cam until the collar 3 touches the groove of the thread trimmer cam 4 and then check that the driving lever 5 returns smoothly to its original position when it is released 12 Check that there is a gap of about 0 1 mm betw...

Page 70: ... knife 6 together with the thrust washer 10 and the movable knife spacer 11 6 Check that the movable knife 6 and fixed knife 7 cut the thread cleanly Replace the movable knife spacer with accessory spacers t 0 2 0 3 0 4 so that the knives trim the thread accurately If the knife pressure is too weak and the thread is not completely cut use a thinner movable knife spacer If the knife pressure is too...

Page 71: ...urface with the index mark U is facing upward Place the rear edge of the feed plate 1 against the stepped part of base plate Y 2 shaded section A and use a 2 mm diameter pin such as a needle to align the hole in the feed plate 1 with the hole in base plate Y 2 then tighten the two socket bolts 3 Index mark 3135B ...

Page 72: ...tance from the thread wiper to the tip of the needle is approximately 2 mm and the tip of the thread wiper 2 is approximately 3 mm from the center of the needle when the thread wiper 2 passes below the needle during operation Note Check that the thread wiper 2 does not touch the finger guard 10 13 Presser foot installation position Install the presser foot 1 with the screw 2 so that the distance f...

Page 73: ...emove the two screws 1 and the two shoulder screws 2 and then remove stepping clamp link A 3 3 Change the installation position for stepping clamp link A 3 to either A B or C above If the position of the stepping clamp connecting rod is adjusted as described in the following at any one of the installation positions the adjustment range for the intermittent stroke will as given in the following tab...

Page 74: ... a DP x 5 needle align with the second reference line from the top reference line b 4 Open the top cover and loosen the two set screws 6 5 Align the index marks on the stepping clamp cam 7 and the stepping clamp connecting rod 4 and then tighten the set screws 6 Check the following after changing the intermittent stroke 1 With the intermittent presser foot 1 lowered turn the pulley in the directio...

Page 75: ...en depress the work clamp switch 1 to raise the work clamp 2 2 Loosen the two bolts 4 of the work clamp arm lever 3 and move the work clamp arm lever 3 up or down to adjust 10 16 Adjusting the air pressure pneumatic work clamp specifications Lift up the handle 2 of the regulator 1 and then turn it to adjust the air pressure to 0 5 MPa After adjustment is complete push the handle 2 downward to lock...

Page 76: ...ferring to the processing diagram below Values in are the recommended sizes when sewing using the maximum area 150x100 mm Work clamp processing diagram Motor driven work clamp specifications Center of sewing area mm 3159B Feed plate processing diagram Recommended thickness 1 5 mm Center of sewing area Pneumatic work clamp specifications The left and right work clamps are symmetrical Center of sewi...

Page 77: ...n Turn off the power and then check that connector P9 on the main P C board is properly connected E016 Problem with the stop switch connection Turn off the power and then check that connector P9 on the main P C board is properly connected E025 Start switch was being depressed when power was turned on For a one pedal foot switch the foot switch was being depressed to the 2nd step Turn off the power...

Page 78: ...nector P4 on the upper shaft motor P C board are properly inserted E131 Synchronizer is not connected correctly Turn off the power and then check that connector P11 on the motor P C board is properly connected E132 Problem detected with sewing machine motor operation Turn off the power and then check that connectors P11 and P1 on the motor P C board connector P6 on the main P C board and connector...

Page 79: ...P C board are properly connected Check that LD1 on the main P C board is illuminated while the power is on If it is not illuminated fuse F2 is blown E210 Y feed motor home position cannot be detected Problem with Y feed motor or poor Y home position sensor connection Turn off the power and then check that connectors P18 P22 and P8 on the main P C board are properly connected Check that LD1 on the ...

Page 80: ...roperly connected Check that LD1 on the main P C board is illuminated while the power is on If it is not illuminated fuse F2 is blown E301 Work clamp raised or lowered position cannot be detected Turn off the power and then check if there are any problems in the work clamp vertical direction Turn off the power and then check that connectors P19 and P23 on the main P C board are properly connected ...

Page 81: ...rammer Turn off the power and then turn it back on again E420 No SD card is inserted Press the RESET key to clear the error Insert an SD card and then try again E421 The program number is invalid or it has no corresponding data Press the RESET key to clear the error Check that data for this program number is present on the SD card E422 An error occurred while reading from the SD card Check the dat...

Page 82: ...h Press the RESET key to clear the error Read data for the same version Device related errors Code Cause of error and remedy E600 Upper thread breakage occurred Thread the upper thread Re sewing is then possible Turn off the power and then check that connector P14 on the main P C board is properly connected E670 Problem with the lower thread detector Turn off the power and then check the lower thr...

Page 83: ...f the power and then check the air pressure Version updating related errors Code Cause of error and remedy E870 No control program is present Install the control program E880 Version update requests cannot be received Turn off the power and then turn it back on again E881 Version updating did not complete normally Turn off the power and then repeat the version update procedure E882 Communication e...

Page 84: ...only Speed controller has been tightened too far Other than when using the thread trimming cylinder Work clamp Adjust the speed controller by loosening it 4 turns from the fully tightened position P 18 Thread wiper does not work Thread wiper setting is OFF Set the thread wiper setting to ON P 32 Work clamp arm lever position is incorrect Pneumatic work clamp specifications Adjust the position of t...

Page 85: ...ximately 30 mm P 25 Thread unraveling at sewing start Sewing start speed is too fast Adjust the sewing start speed P 32 Rotary hook tip is missing Replace the part Needle is too thin Needle is too thick Select a needle that is suitable for the sewing conditions P 26 Needle is bent Replace the needle P 22 Needle is not installed correctly Install the needle so that it faces correctly P 22 Needle an...

Page 86: ...ective part by buffing it Alternatively replace the part Lower thread is breaking Lower thread tension is too strong Reduce the lower thread tension P 26 Needle is bent Replace the needle P 22 Needle is too thin Select a needle that is suitable for the sewing conditions P 26 Adjust the driver needle guard P 57 Needle and rotary hook tip are touching Adjust the needle clearance P 58 Needle and rota...

Page 87: ...k Increase the tension of the thread take up spring P 56 Feed timing is too fast Retard the feed timing Intermittent height of intermittent work clamp is too low Adjust the intermittent height of the intermittent work clamp P 38 Adjust the driver needle guard P 57 Upper thread is not tight Needle and rotary hook tip are touching Adjust the needle clearance P 58 Lower thread tension is too weak Inc...

Page 88: ...13 7 SEGMENT DISPLAY LIST 79 BAS 311H 13 7 SEGMENT DISPLAY LIST 4268M ...

Page 89: ...MEMO 80 BAS 311H ...

Page 90: ...dustries Ltd All Rights Reserved This is the original instructions BAS 311H SB4717 101 E 2013 09 B 2 Please note that the contents of this manual may differ slightly from the actual product purchased as a result of product improvements ...

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