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Brother BAS-326H-484 SF Instruction Manual Download Page 55

7. STANDARD ADJUSTMENTS 

 

BAS-326H-484, BAS-326H-484 SF 

47

7-16. Adjusting the work clamp lift amount 

The maximum lift amount for the work clamp is 27.5 mm above the surface of the needle plate. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1. Turn on the air, and then depress the work clamp switch (1) to raise the work clamps (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. 
 
 

7-17. Adjusting the air pressure 

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 it. 
 
If water has collected in the bottle of the regulator (1), turn 
the drain cock (3) in the direction indicated by an arrow to 
drain the water. 
 

NOTE: 

Open the air cock (4) slowly. 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

3143B

5018Q 

Max. 27.5 mm

 

3726B

Summary of Contents for BAS-326H-484 SF

Page 1: ...6H 484 SF Please read this manual before using the machine Please keep this manual within easy reach for quick reference DIRECT DRIVE PROGRAMMABLE ELECTRONIC PATTERN SEWER TREBLE HOOK INSTRUCTION MANUAL INSTRUCTION MANUAL ...

Page 2: ... industrial 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 u...

Page 3: ...ructions which 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 nat...

Page 4: ... to 85 during use and no dew formation should occur in any devices Excessively 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 t...

Page 5: ...your skin If the oil and grease get 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 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...

Page 6: ... back the machine 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 ...

Page 7: ... 484 BAS 326H 484 SF v 3730B Side cover Inner cover L Outer cover Fixed cover Solenoid cover Thread take up cover Finger guard Eye guard Inner cover R Outer cover Fixed cover Gas spring support cover Rear cover ...

Page 8: ...switch 31 6 CLEANING 32 6 1 Cleaning the rotary hook 32 6 2 Cleaning the control box air inlet ports 32 6 3 Draining the oil 33 6 4 Checking the regulator 33 6 5 Cleaning the eye guard 33 6 6 Checking the needle 33 6 7 Lubrication 33 7 STANDARD ADJUSTMENTS 34 7 1 Checking the machine head switch 34 7 2 Adjusting the sensitivity of the thread breakage sensor 35 7 3 Thread take up spring 36 7 4 Arm ...

Page 9: ... OF MAJOR PARTS 1 Power switch Safety devices 2 Control box 10 Finger guard 3 LCD panel 11 Eye guard 4 Work clamp switch 12 Thread take up cover 5 Start switch 13 Rear cover 6 STOP switch 7 Pulley 8 Cotton stand 9 Solenoid valve 3731B BAS 326H 484 SF BAS 326H 484 ...

Page 10: ...5 mm 2 Intermittent presser foot stroke 2 4 5 mm 4 5 10 mm or 0 Default setting 3 mm 2 Hook Treble hook Wiper device Standard equipment Thread trimmer Standard equipment Thread take up device Standard equipment Cycle programs 30 Motor 550 W AC servo motor Weights Machine head Approx 88 kg LCD panel Approx 0 8 kg Control box 9 kg Differs depending on destination Power source Single phase 110V 220V ...

Page 11: ... 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 them too firmly staples otherwise there is the danger that fire or electric shocks could occur Be sure to connect the ground If the ground connection is not sec...

Page 12: ...e six screws 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 13: ...of the oil 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 3690B Pulse motor Approx 20 mm 3691B Approx 20 mm ...

Page 14: ...get caught on the needle plate Move the work clamp arm all the way to the right when looking from the front of the sewing machine the direction of the arrow in the illustration and then gently tilt back the machine head NOTE Three or more people should tilt back the machine head and it should be tilted gently while being held with both hands Be careful not to clamp any items such as screwdrivers u...

Page 15: ...ng rings E 2 pcs 23 Bolts 2 pcs 24 Plain washers medium 2 pcs 25 Plain washers large 2 pcs 26 Spring washers 2 pcs 27 Nuts 2 pcs 28 Gas spring shaft U 29 Retaining rings E 2 pcs 30 Plain washers small 2 pcs 31 Absorber setting plate 32 Bolts with washer 2 pcs 33 Gas spring support cover 34 Bolts with washer 6 pcs 3534B Be sure to install so that the side with UP on it is facing upward 3692B ...

Page 16: ...e 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 LCD panel 1 Cradle 2 Rubber cushion 3 Wood screws 4 pcs 4 Setting plate 5 Flat screws 4 pcs 6 LCD panel 7 Staples 2 pcs Pass the cord of the LCD panel 8 through the table hole and then insert it into...

Page 17: ...ewing The work clamp lowering method can be changed using memory switch No 002 Refer to 2 2 List of memory switch settings in the LCD Panel Operation Panel Instruction Manual 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 p...

Page 18: ...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 Tension release solenoid 4 pin P3 SOL2 1 X pulse motor 4 pin White P21 XPM 1 Y pulse motor 4 pin Blue P22 YPM 1 Intermittent presser foot pulse motor 4 pin Black 1 P23 PPM 1 Home position sensor 12 pin White P8 SENSO...

Page 19: ... presser plate 6 in the direction of the white arrow and secure it by tightening the two screws 5 NOTE Close the cord presser plate 6 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 3537B Motor board Lock the cord clamps securely 3538B ...

Page 20: ...3 INSTALLATION BAS 326H 484 BAS 326H 484 SF 12 Connector D sub connector LCD panel 9 pin PANEL 3557B PANEL ...

Page 21: ... receiving a serious electric shock and problems with correct operation may also occur 1 Ground wire from the machine head 2 Ground wires from two pedal foot switch harness 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 3696B ...

Page 22: ...fications EU specifications 1 Filter box 2 Screws 4 pcs 3 Staples 6 pcs 4 Power cord 1 Attach an appropriate switch and cable 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 opera...

Page 23: ...e ground wire 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 3638B Green ...

Page 24: ... properly grounded electrical outlet 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 PCBs 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 si...

Page 25: ...ATION BAS 326H 484 BAS 326H 484 SF 17 3 10 Installing the cotton stand 1 Cotton stand NOTE Securely tighten the nut 3 so that the two washers 2 are securely clamped so that the cotton stand 1 does not move 3640B ...

Page 26: ... pneumatic unit does not touch the control box or the work table leg 2 Connect each of the air tubes 5 to the valves so that all of the numbers match respectively The air tubes 5 marked with an A connect to the front valve connections A and those marked with B connect to the rear connections B 3 Open the air cock 6 3732B Valve nos After installing the pneumatic unit adjust the air presser Refer to...

Page 27: ...s faster You can operate the work clamps when the power is turned off by pressing the manual buttons 5 Adjusting the thread wiper operating speed Valve 3 is used for adjusting the operating speed of the thread wiper 6 To use fully tighten both the upper and lower knobs 7 and 8 and then loosen them both by 6 turns NOTE If the knobs 7 and 8 are tightened more than the settings mentioned above upper ...

Page 28: ...n 2 Eye guard 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 bolt 1 to secure it in place 3 14 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...

Page 29: ...he oil supply replenished before it is used for the first time and also after long periods of non use Use only the lubricating oil JX Nippon Oil Energy Corporation Sewing Lube N10 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 NOT...

Page 30: ...head fixing bolts 2 pcs NOTE When operating the sewing machine remove the machine head fixing bolts 3 17 Checking the machine head switch 1 Turn on the power 2 Check that no error numbers appear 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 position of the machine head switch as sh...

Page 31: ... switch before installing the needle If the foot switch is depressed by mistake the sewing machine might start operating and injury could result 1 Loosen the set screw 1 2 Insert the needle 2 in a straight line as far as it will go making sure that the long groove on the needle is at the front and then securely tighten the set screw 1 3057B ...

Page 32: ... 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 When threading the thread through the needle allow a distance of approximately 45 mm between the needle hole and the end of the thread If it is too long the thread may become tangled and if it is too short the thread may pull out at the sew...

Page 33: ...n the screen The work clamps and the intermittent presser foot 1 will drop The tension discs 1 will open 3 Threading the thread 4 Ending threading mode The display will return to the previous screen Touch the OK key on the screen The work clamps and the intermittent presser foot 1 will return to where it was before threading mode was started 1 The intermittent presser foot is only applicable to 48...

Page 34: ...itch Home position detection will be carried out 5 Touch the Wind key 4 on the screen 6 The display will switch to the thread winding mode screen 7 Check that the needle does not touch the work clamps and the intermittent presser foot and then lower the work clamps and the intermittent presser foot before depressing the start switch 8 Keep depressing the start switch until the lower thread stops b...

Page 35: ...N Turn off the power switch before installing the bobbin case If the foot switch is depressed by mistake the sewing machine might start operating and injury could result 1 Pull the hook cover 1 downward to open it 2 While holding the bobbin so that the thread winds to the left insert the bobbin into the bobbin case 3 Pass the thread through the thread slot 2 pass it underneath the spring 3 and the...

Page 36: ...thread tension N 1 0 1 5 Pre tension N 0 3 0 6 Needle DP x 17 25 Normal sewing speed 1 300 sti min 4 6 1 Lower thread tension Adjust the lower thread tension by turning the adjusting screw 1 Installation Removal 1 While inserting the projections on the anti spin spring 1 into the grooves of the bobbin case insert the anti spin spring 1 2 Push the anti spin spring 1 to insert it securely so that it...

Page 37: ... at the needle up stop position Turn the pulley 1 in the direction of the arrow until the ridge at the bottom of the thread take up 2 is aligned with the index mark Turn on the power If a program has been registered the program number and a preview of the sewing pattern will be displayed No programs are registered at the time of shipment from the factory and so is displayed as the program number N...

Page 38: ... while sewing as this may result in personal injury or damage to the machine 5 1 Sewing 1 Turn on the power 2 Touch the or key to select the number for the program to be sewn For details on reading sewing data from SD cards and USB memory devices refer to 3 4 Importing items of sewing data separately in the LCD Panel Operation Panel Instruction Manual 3 Lower the work clamps 2 and the depress the ...

Page 39: ...ad runs out during sewing you can then continue sewing from the point where the thread broke or ran out 1 Touch Yes 3 to switch to the resewing standby screen 2 Touch the keys 5 and 6 on the screen to return to the position where sewing is to be resumed When you touch the key 5 the feed will move backward by 1 stitch and when you touch the key 6 the feed will move forward by 1 stitch 3 Depress the...

Page 40: ...s or onto your skin If the oil and grease get 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 6 1 Cleaning the rotary hook Remove the bobbin case and then remove the dust and lint from around the shuttle Also wipe the bobbin to remove oil 6 2 Cleaning...

Page 41: ...cock 3 in the direction of the arrow to drain the water 2 After draining the water tighten the drain cock 3 3 Open the air cock 2 6 5 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 6 6 Checking the needle Always check that the tip of the needle is not broken and also that the needle is not bent before st...

Page 42: ...k Hold the 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...

Page 43: ...trol 3 to adjust the sensitivity or change the number of stitches for judgment of an upper thread breakage Contact the place of purchase for information on changing the number of stitches for judgment of an upper thread breakage If foreign objects get into the photo sensor 2 it will not be possible to detect thread breakages Clean inside the photo sensor 2 to keep it free from dust and other forei...

Page 44: ...n the screw 2 is installed to the screw hole 3 on the left side and the arm thread guide R 1 is pushed to the right side as far as it will go To adjust the position loosen the screw 2 and then move arm thread guide R 1 If upper thread breakages or poor thread tightening occur when sewing heavy weight materials move arm thread guide R 1 to the left The thread take up amount will become greater If u...

Page 45: ...needle bar bush 2 and then loosen the two set screws 4 and move the rotary hook to adjust so that the rotary hook tip 3 is aligned with the center of the needle 7 6 Adjusting the needle clearance Turn the pulley 1 in the direction of the arrow to align the rotary hook tip 2 with the center of the needle and then loosen the two set screws 3 and move the rotary hook forward or back to adjust so that...

Page 46: ...upper thread trailing amount loosen the stopper 3 NOTE If you make the stroke of the thread take up lever 1 to be shorter than necessary it will cause the upper thread trailing length to become too short and the thread will pull out In addition if the stroke is made to be longer than necessary it will cause the upper thread trailing length to become too long and the thread will become tangled on t...

Page 47: ... at this time Install the fixed knife 7 0 5 mm away from the needle hole plate 9 5 Check that the movable knife 6 and fixed knife 7 cut the thread cleanly Replace the movable knife spacer with accessory spacers 10 t 0 4 0 5 0 6 0 7 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 10 If the knife ...

Page 48: ... 6 by hand toward the thread trimmer cam 4 until the collar 3 touches the groove of the thread trimmer cam 4 and then check that the driving lever 6 returns smoothly to its original position when it is released 5 Turn the pulley 1 by hand in the direction of the arrow to move the needle bar to its lowest position and push the thread trimming solenoid 7 as far as it will go 6 With the collar 3 inse...

Page 49: ...ion once more 11 Replace the cover 10 7 11 Adjusting the engagement of the movable knife and fixed knife A Once the movable knife 1 and fixed knife 2 are overlapping as shown in Fig 1 tighten the shoulder screw 3 B Turn the movable knife 1 while the shoulder screw 3 is still tightened Move in the direction of the arrow C Loosen the shoulder screw 3 D Turn the movable knife 1 while the shoulder scr...

Page 50: ...7 STANDARD ADJUSTMENTS BAS 326H 484 BAS 326H 484 SF 42 7 12 Installing the feed plate 1 Touch the Settings key 2 Select Sewing Machine Adjustment 3 Select Feed plate installation ...

Page 51: ...he feed plate installation position and then the work clamps will rise 5 Use a 2 mm diameter pin to align the holes in the X feed bracket 3 and the needle plate 4 with the two holes in the feed plate 5 and then tighten the two bolts 6 NOTE Install the feed plate so that the surface with the index mark is facing upward 6 End feed plate installation mode When the installation is complete touch the O...

Page 52: ... needle is approximately 2 mm and the tip of the thread wiper 3 is approximately 3 mm from the center of the needle when the thread wiper 3 passes below the needle during operation NOTE Check that the thread wiper 3 does not touch the finger guard 4 Open the air cock 1 7 14 Intermittent presser foot installation position 484 SF specifications only Install the intermittent presser foot 1 with the s...

Page 53: ...e the face plate 2 Remove the two screws 1 and the two shoulder screws 2 and then remove stepping clamp link 3 3 Change the installation position for stepping clamp link 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 presser foot stroke will ...

Page 54: ...e bar bush 5 If using 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 of the stepping clamp cam 7 and the stepping clamp connecting rod 4 and then tighten the two set screws 6 Check the following after changing the intermittent presser foot stroke 1 With the intermittent presser foot 1 l...

Page 55: ...two bolts 4 of the work clamp arm lever 3 and move the work clamp arm lever 3 up or down to adjust 7 17 Adjusting the air pressure 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 it If water has collected in the bottle of the regulator 1 turn the drain cock 3 in the direction indicated by...

Page 56: ...mps 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 220x100 mm Feed plate processing diagram Recommended thickness 1 5 mm Work clamp processing diagram The left and right work clamps are symmetrical mm 3513B Center of sewing area Center of sewing area 3727B ...

Page 57: ...rted E016 Problem with the STOP switch connection Turn off the power and then check that connector P9 on the main board is properly inserted E020 The start switch was pressed without the work clamp being lowered First lower the work clamp E025 The start switch was pressed when the power was turned on Release foot from the start switch E035 Work clamp switch was being depressed when power was turne...

Page 58: ... and P1 on the motor board P6 on the main board and P4 of the main motor are properly inserted E131 Resolver is not connected correctly Turn off the power and then check that the connector P11 on the motor board is properly inserted E132 Problem detected with main motor operation Turn off the power and then check that connectors P11 and P1 on the motor board the connector P6 on the main board and ...

Page 59: ...erted E211 Y feed motor stopped due to a problem Turn off the power and then check if there are any problems in the Y feed direction Turn off the power and then check that connectors P18 and P22 on the main board are properly inserted E214 Y feed motor stopped due to a problem during sewing Turn off the power and then check if there are any problems in the Y feed direction Turn off the power and t...

Page 60: ... of the storage media or free space shortage of storage media Press the RESET key to clear the error Use the specified storage media E427 The program containing the specified program has been cleared Press the RESET key to clear the error E430 Cannot be accessed to the main board flash memory Turn off the power and then turn it back on again E435 Cannot be accessed to the programmer main board fla...

Page 61: ...key to clear the error E512 Number of stitches exceeds allowed maximum Press the RESET key to clear the error E520 Extended option output number already exists Press the RESET key to clear the error Change the extended option output number If not using the extended option output initialize the data to clear the extended option program E582 Memory switch version does not match Press the RESET key t...

Page 62: ...Cause of error and remedy E860 No main software is present Install the main control software E865 No motor software is present Install the motor control software E880 Software update request is not accepted Turn off the power and then turn it back on again E881 Software updating did not complete normally Turn off the power and then repeat the software update procedure E883 No software data is pres...

Page 63: ...that the air pressure is about 0 5 MPa P 47 Work clamp Adjust the speed controller by loosening it 4 turns from the fully tightened position P 19 The following parts do not work Work clamp Thread wiper Thread trimmer cylinder Thread take up lever Speed controller has been tightened too far applicable to thread trimmer cylinder and thread take up lever Adjust the speed controller by loosening it 6 ...

Page 64: ...ension fails to prevent the thread from pulling out P 38 Amount of lower thread being fed out from bobbin is too small Set the feeding amount to approximately 30 mm P 27 Thread unraveling at sewing start Sewing start speed is too fast Adjust the sewing start speed 1 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 co...

Page 65: ... hole plate or bobbin case Repair the respective part by buffing it Alternatively replace the part Lower thread is breaking Lower thread tension is too strong Reduce the lower thread tension P 28 Needle is bent Replace the needle P 23 Needle is too thin Select a needle that is suitable for the sewing conditions P 28 Needle and rotary hook tip are touching Adjust the needle clearance P 37 Needle an...

Page 66: ...ard back clearance between the tip of the hook stopper and the surface of the inner hook needle drop section to approximately 0 8 mm P 38 Feed timing is too fast Retard the feed timing Upper thread is not tight Intermittent height of intermittent presser foot is too low 484 SF specifications only Adjust the intermittent height of the intermittent presser foot 1 Lower thread tension is too weak Inc...

Page 67: ...Ltd All Rights Reserved This is the original instructions BAS 326H 484 BAS 326H 484 SF I5111075B E 2016 03 B 1 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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