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Z-8550A, 8560A

3. SEWING PATTERN TABLE

•

This sewing machine is equipped with the following built-in sewing patterns. Select the pattern number from the operation

panel to use a pattern. (Refer to page 26.)

•

Different zigzag widths and zigzag lengths can be set for each sewing pattern. (Refer to page 18 and 31.)

Sewing pattern

Pattern no.

（

Main display

）

Notes

Straight stitch

Plain zigzag

2-step zigzag

3-step zigzag

Crescent scallop
(24sts.)

Even scallop
(12sts.)

If is set in the column marked with , a
reflection pattern can be sewn by stopping
the sewing machine and then pressing the
actuator.
(Refer to page 29.)

Standard scallop
(24sts.)

Scallop
(left)

Even scallop
(24sts.)

Crescent scallop
(24sts.)

Even scallop
(12sts.)

Standard scallop
(24sts.)

Scallop
(right)

Even scallop
(24sts.)

Blind stitch (left)

Blind stitch (right)

In the columns marked with , the number
of stitches sewn in a straight line can be set
within the range of 1 to 99 stitches.

(No. of stitches)

Custom made pattern

−

Sewing patterns created using the
PS-300B (optional device) can be sewn.
(The pattern number is set in the columns
marked with .)

3320M—3333M
3334M—3348M

(Peflection

pattern)

Sewing direction

Press the actuator

Sewing pattern

1430M

1276M

Содержание Z-8550A

Страница 1: ... this manual before using the machine Please keep this manual within easy reach for quick reference ELECTRONIC DIRECT DRIVE ZIGZAG LOCK STITCHER ELECTRONIC DIRECT DRIVE ZIGZAG LOCK STITCHER WITH THREAD TRIMMER INSTRUCTION MANUAL ...

Страница 2: ...e provided in order to ensure safe operation of this machine and to prevent accidents and injury to yourself or other people Indications DANGER The instructions which follow this term indicate situations where failure to follow the instructions will almost certainly result in death or severe injury CAUTION The instructions which follow this term indicate situations where failure to follow the inst...

Страница 3: ...ause 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 any electrical work that may need to be done The sewing machine weighs more than 49 kg The installation should be carried out by two or more people Do not connent the power cord until installation is complete The mach...

Страница 4: ...ld the machine head when tilting it back or returning it to its original position If only one hand is used the weight of the machine head may cause your hand to slip and your hand may get caught If an error occurs in machine or if abnormal noises or smells are noticed immediately turn off the power switch Then contact your nearest Brother dealer or a qualified technician If the machine develops a ...

Страница 5: ... Never touch the knife on the face plate when opening the thread takeup guard cover otherwise injury may result If any safety devices have been removed be absolutely sure to re install them to their original positions and check that they operate correctly before using the machine When removing the needle plate auxiliary needle plate and knife unit use a screwdriver that matches the size of the scr...

Страница 6: ...s pressed by mistake when using the correction sewing function the needle will move in a zigzag motion while the machine is operating and injury may result 6 Do not touch the thread take up or the knife otherwise injury may result 3316M Oil pan 3317M For Europe ...

Страница 7: ...n 32 6 2 5 Setting the zigzag stop position 33 6 2 6 Setting start backtacking 8560A 8550A A31 only 34 6 2 7 Setting end backtacking 8560A 855A A31 only 35 6 2 8 Setting continuous backtacking 8560A and 8550A A31 only 36 6 2 9 Setting fixed stitches name label sewing 8560A 8550A A31 only 37 6 3 Using the lower thread counter 39 7 USING THE OPERATION PANEL ADVANCED OPERATIONS 40 7 1 Names and funct...

Страница 8: ...osition bracket position 65 12 11 Adjusting the rotary hook lubrication amount 66 12 12 Adjusting the presser foot floating amount minute lifting amount 67 12 13 Adjusting the treadle 67 12 14 Adjusting the position of the thread trimming cam 8560A only 68 12 15 Adjusting the tension of the lower thread presser spring 8560A only 69 12 16 Adjusting the thread trailing length after thread trimming 8...

Страница 9: ... 7 Operation panel 8 Machine pulley 9 Stitch length dial 10 Reverse lever 11 Condense dial 12 Oil gauge window 13 Power switch 14 Knee lifter assembly 15 CF slot 16 Upper thread feeding device 8560A 17 Knife unit 8560A 18 Thread wiper 8560A Safety devices 19 Thread take up guard cover 20 Finger guard CFTM is a trademark of SanDisk Corporation 3319M ...

Страница 10: ... 230 V 3 phase 220 V 380 V 400 V 415 V Maximum electric power consumption 400 VA Control circuit Microprocessor 1 Used for sewing condensed stitches and backtack stitches 2 If replacing gauge parts and then changing the maximum feed amount setting the maximum setting is 5 mm Refer to pp 18 19 and p 57 3 At the time of shipment from the factory the maximum sewing speed is set to 4 000 rpm If using ...

Страница 11: ...a reflection pattern can be sewn by stopping the sewing machine and then pressing the actuator Refer to page 29 Standard scallop 24sts Scallop left Even scallop 24sts Reflection pattern Crescent scallop 24sts Even scallop 12sts Standard scallop 24sts Scallop right Even scallop 24sts Blind stitch left Blind stitch right In the columns marked with the number of stitches sewn in a straight line can b...

Страница 12: ...e machine set up location Do not set up this sewing machine near other equipment such as televisions radios or cordless telephones otherwise such equipment may be affected by electronic interference from the sewing machine The sewing machine should be plugged directly into an AC wall outlet Operation problems may result if extension cords are used Carrying the machine The machine should be carried...

Страница 13: ...the sewing machine Drill holes as indicated in the illustration below Select a method that is easy to carry out for the type of table used 3354M Cotton stand hole Cord hole Head rest hole Control box mounting hole Standard type 3353M Cotton stand hole Cord hole Head rest hole Control box mounting hole Wide type This type has a wider front back dimensions at the front of the sewing machine ...

Страница 14: ... 4 Spring washers 4 pcs 5 Washers 4 pcs 2 Connecting rod 6 Connecting rod 7 Nut 3 Power switch 1 Power switch 2 Screws 2 pcs 3 Staples 5 pcs Secure the power cord 4 in a suitable place depending in the position of the wall outlet 4 Oil pan 1 Head cushions 4 pcs 2 Oil pan 3355M 3356M Operator 3357M Cord ...

Страница 15: ...d 1 Hinges 2 pcs 2 Machine head 3 Head rest NOTE Tap the head rest 3 securely into the table hole If the head rest 3 is not pushed in as far as it will go the machine head will not be sufficiently stable when it is tilted back 8 Operation panel 1 Operation panel 2 Screws 2 pcs Use for tightening rear cover 9 Sticker Remove 1 Sticker 3360M 3359M 3361M 3358M ...

Страница 16: ...the presser foot 5 by using the lifting lever 4 3 Loosen the nut 6 4 Turn the screw 8 to adjust so that the amount of play in the knee lifter 7 is approximately 2 mm when the knee lifter plate 1 is gently pressed 5 Securely tighten the nut 6 6 Loosen the nut 9 7 Turn the screw 10 until the distance between the end of the screw 10 and the knee lifter 11 is approximately 4 mm 8 Turn the adjusting sc...

Страница 17: ...ubricated and the oil supply replenished before it is used for the first time and also after long periods of non use Use only the lubricating oil Nisseki Mitsubishi 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 Remove the rubber cap 1 2 Use the accessory oiler 2 to add lubricating oil u...

Страница 18: ...ny electrical work that may need to be done Do not connect the power cord until all cords have been connected The machine may operate if the treadle is depressed by mistake which could result in injury 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 4 4 1 Opening the contr...

Страница 19: ... 14 15 8 5 pin zigzag motor encoder connector P3 NDL_ENC 10 9 3 pin DC fan connector oil pan P32 FAN2 11 13 14 15 2 Closing the cord presser plate 1 Cord presser plate NOTE Loosen the cables outside the control box without stretching them too much inside the control box If the cord presser plate 1 is not closed firmly dust will get inside the control box and may cause problems 3369M Push in secure...

Страница 20: ...h an appropriate plug to the power cord 1 The green and yellow wire is the ground wire 2 Insert the plug into a properly grounded AC power supply NOTE Do not use extension cords otherwise machine operation problems may result 5 Ground wire 1 Ground wire 2 Spring washer 2 pcs 3 Plain washer 2 pcs 4 Screw 2 pcs 3370M 3371M Tighten Single phase Three phase Green and yellow wire ground wire 3372M Grou...

Страница 21: ...ound for about one second and then the needle bar will move horizontally to the sewing start position Sewing will then be possible If the needle bar is not at the needle up stop position 1 Turn on the POWER switch 1 The buzzer will sound for about one second and then UP will appear in the main display 2 2 Turn the machine pulley slowly to move the needle bar to the needle up stop position Align th...

Страница 22: ...mode has been set If the needle bar has been set to stop in the needle up position the needle will stop at a position above the needle plate needle up stop position 4 When the treadle 3 is depressed all the way to position D or if the treadle 3 is depressed to position D and then returned to the neutral position A the mechanism will sew half a stitch or one stitch and then the needle bar will stop...

Страница 23: ...ely tighten the screw 1 5 2 Removing the bobbin case CAUTION Turn off the power switch before removing the bobbin case The machine may operate if the treadle is depressed by mistake which could result in injury 1 Turn the machine pulley to raise the needle until it is above the needle plate 2 Pull the latch 1 of the bobbin case upward and then remove the bobbin case 3 The bobbin 2 will come out wh...

Страница 24: ...nt of thread wound onto the bobbin should be a maximum of 80 of the bobbin capacity 5 4 Installing the bobbin case CAUTION Turn off the power switch before installing the bobbin case The machine may operate if the treadle is depressed by mistake which could result in injury 1 Turn the sewing machine pulley to align the reference line on the pulley with the indent in the motor cover 2 Hold the bobb...

Страница 25: ...y mistake when using the correction sewing function the needle will move in a zigzag motion while the machine is operating and injury may result Turn the sewing machine pulley to align the reference line 1 on the pulley with the indent 2 in the motor cover needle up stop position This will make threading easier and it will prevent the thread from coming out at the sewing start Wind around once Upp...

Страница 26: ...eplace gauge parts such as the feed dog with parts for using with a feed amount of more than 2 0 mm In addition change the maximum feed amount setting while referring to page 57 and then adjust the stitch length dial 1 as described below 1 Turn the stitch length dial 1 all the way to 2 5 2 After this push the left lever 3 while turning the stitch length dial 1 so that it can be turned a second tim...

Страница 27: ... backtack stitches will be sewn without the material being fed while the reverse lever is pressed Backtacking When the condense dial 2 is set to a negative number backtack stitches with a stitch length that matches the dial setting will be sewn in the reverse sewing direction while the reverse lever 1 is pressed The numbers on the dial are for use as a guide The length of the finished stitches may...

Страница 28: ...nee lifter The presser foot 2 can be raised by pressing the knee lifter plate 1 5 9 Using the thread wiper 8560A only Press the thread wiper switch 1 to the side If this is done the thread wiper 2 will operate after the thread is trimmed 2209M 3571M 3388M 3389M ...

Страница 29: ...ANEL BASIC OPERATIONS 6 1 Names and functions The operation panel keys cannot be operated while sewing is in progress Check the key selections and pattern settings before starting sewing Z ST 8550A 031 Z 40 8550A A31 8560A Main display 3 Power indicator 3390M Power indicator 3391M 3392M ...

Страница 30: ...e line position key This key lets you change the zigzag width and move the sewing pattern to the left and right When this key is pressed the indicator illuminates and the currently set zigzag width is displayed in the four left columns and the zigzag base line position is displayed in the four right columns A zigzag width display of 5 0 means that the zigzag width is 5 0 mm A zigzag base line posi...

Страница 31: ...uminates 13 Straight stitch key When this key is pressed so that the indicator illuminates a straight stitch pattern is selected When a straight stitch pattern has been selected the indicator illuminates 14 2 step zigzag key When this key is pressed so that the indicator illuminates a 2 step zigzag pattern is selected When a 2 step zigzag pattern has been selected the indicator illuminates 15 Blin...

Страница 32: ... appears in the main display 22 AUTO key Z 40 only This can only be used to make settings together with continuous backtack key 20 and fixed stitch name label key 21 When this key is pressed so that the indicator illuminates the set number of stitches start or end backtack stitches fixed stitches or thread trimming are sewn automatically simply by depressing the treadle once 23 TEST key This key i...

Страница 33: ... in the column marked with a reflection pattern can be sewn by stopping the sewing machine and then pressing the actuator Refer to page 29 Standard scallop 24sts Scallop left Even scallop 24sts Reflection pattern Crescent scallop 24sts Even scallop 12sts Standard scallop 24sts Scallop right Even scallop 24sts Blind stitch left Blind stitch right In the columns marked with the number of stitches se...

Страница 34: ... in the main display When a sewing pattern has been set be sure to set the zigzag width Refer to page 31 1 Plain zigzag 2 2 step zigzag 3 3 step zigzag 4 Straight stitching Note If the needle bar is at the needle up stop position the needle bar will move to the sewing start position when the sewing pattern settings are changed If the needle bar is not at the needle up stop position the needle bar ...

Страница 35: ...when blind stitching is selected an indicator in the blind stitch key is illuminated the selected pattern number will appear when this key is pressed NOTE If the needle bar is at the needle up stop position the needle bar will move to the sewing start position when the sewing pattern settings are changed If the needle bar is not at the needle up stop position the needle bar will move to the sewing...

Страница 36: ...pattern number will appear when this key is pressed NOTE If the needle bar is at the needle up stop position the needle bar will move to the sewing start position when the sewing pattern settings are changed If the needle bar is not at the needle up stop position the needle bar will move to the sewing start position after it next moves to the needle up stop position 2 Setting the type of scallop s...

Страница 37: ...in the main display 4 and the pattern sewn from that point will be a reflection pattern If you make a mistake and press the actuator 3 at the wrong time press the actuator 3 once more to clear the AAAA display 3 Reflection patterns can be sewn NOTE If the pattern number selected is 5 A or 6 A correction sewing using the actuator 3 will not be possible If the pattern number selected is 5 _ or 6 _ r...

Страница 38: ... place of purchase for details on the memory switch setting method 8 Custom made patterns option For details refer to the place of purchase Up to a maximum of 99 sewing patterns can be added by creating sewing patterns using the PS 300B option A maximum of 49 500 stitches can be stored with each pattern having a maximum of 500 stitches 3429M Example Pattern number 3595M ...

Страница 39: ...ar is at the needle up stop position the needle bar will move to the sewing start position when the zigzag width is changed If the needle bar is not at the needle up stop position the needle bar will move to the sewing start position after it next moves to the needle up stop position Sewing speed limits The sewing speed is limited by the amount of zigzag movement Accordingly the actual sewing spee...

Страница 40: ...eedle bar will move to the sewing start position after it next moves to the needle up stop position Relationship between zigzag base line position and zigzag width when the maximum zigzag width is 8 mm By way of example consider a sewing pattern Figure A with a zigzag base line position set to 0 and a zigzagwidth set to 4 0 If the zigzag base line position is set to L2 0 the pattern will be moved ...

Страница 41: ...h if left stopping has been set Setting method Sewing start position after the treadle is depressed backward When right stopping has been set sewing starts from the right side When left stopping has been set sewing starts from the left side If the needle stops in the needle down stop position the needle will be raised to the needle up stop position when the treadle is depressed backward The workpi...

Страница 42: ...position The sewing machine operates at a speed of 1 200 rpm when sewing start backtack stitches Stop in the needle up stop position at that point For the 8560A the thread will be trimmed and then the needle will stop in the needle up stop position If the zigzag stop position has been set the needle will stop in the set position Turning the start backtack function on and off The condition changes ...

Страница 43: ...eadle is depressed backward before sewing the number of start backtack stitches is complete end backtacking will not be carried out If the indicator of the thread trimming lock key is illuminated the sewing machine will stop in the needle up position without thread trimming being carried out for the 8560A Turning the end backtack function on and off The condition changes as shown below each time t...

Страница 44: ...n the needle up position For the 8560A thread trimming is carried out automatically and then the sewing machine stops in the needle up position NOTE If the indicator of the thread trimming lock key is illuminated the sewing machine will stop in the needle up position without thread trimming being carried out for the 8560A Automatic sewing When the AUTO key is pressed so that the AUTO function is t...

Страница 45: ...d to turn on the backtack sewing function Automatic sewing When the AUTO key is pressed to turn on the automatic sewing function the fixed stitches are sewn simply by depressing the treadle once without needing to depress it continuously After this the sewing machine stops in the needle up position For the 8560A thread trimming is carried out automatically and then the sewing machine stops in the ...

Страница 46: ...UTO key is pressed to turn on the automatic sewing function the fixed stitches in E and F are sewn respectively simply by depressing the treadle once without needing to depress it continuously After the second number of F stitches is sewn the sewing machine stops in the needle up position For the 8560A after the second number of F stitches is sewn the thread is trimmed automatically and then the s...

Страница 47: ... starts Lower thread counter operation 1 When sewing is carried out the value shown in the lower thread counter display is reduced by 1 for every 10 stitches sewn After the value reaches zero 0 a minus sign appears and counting continues to a maximum of 999 2 When the value is 0 or less a warning icon 1 illuminates and an electronic buzzer sounds for 10 seconds 3 Sewing can continue until the trea...

Страница 48: ...ut at 220 rpm NOTE If you press the actuator while sewing is in progress backtack stitches will be sewn If sewing pattern 5 A or 6 A is selected the actuator can be used to switch to reflection patterns so that correction sewing cannot be carried out Correction sewing is possible if the setting is 5 _ or 6 _ If you press this key again while the icon 34 is illuminated the icon 34 will turn off 31 ...

Страница 49: ... value will increase up to 10 and the needle up stop position will become lower If you press the key the setting value will decrease down to 10 and the needle up stop position will become higher 4 Press the ENTER key 4 for two seconds or more A long buzzer will sound and the main display 2 will change to stitch number display mode This completes the needle up stop position setting A setting value ...

Страница 50: ...d to make settings for various functions ENTER key 4 This key is used to accept function settings MAX key 5 This key is used to change the maximum sewing speed Refer to the Service Manual for details on using these keys 7 4 Resetting all settings to their defaults 1 While holding down the RESET key turn on the power switch 1 2 Press the ENTER key The operation panel settings will be returned to th...

Страница 51: ...tings that can be recorded 2 While pressing the TEST key press the P1 key SEL Pn will appear in the main display and user program recording mode will be enabled NOTE If the TEST key is pressed at this time the selection can be cleared 3 Press the key s P1 P2 or P1 P2 to use for recording the sewing data For P1 P2 press and hold P1 and then press P2 The program number P1 P2 or P12 will flash in the...

Страница 52: ...eration Refer to the previous page 1 Press the key P1 P2 or P1 P2 that was used to record the sewing data to be retrieved For P1 P2 press and hold P1 and then press P2 The program number P1 P2 or P12 will appear in the main display When using P1 to retrieve the program When using P2 to retrieve the program When using P1 P2 to retrieve the program 2 The sewing data recorded in the user program will...

Страница 53: ...een set for the head detector unit If all numbers in the sewing speed control display 2 are illuminated sewing will be carried out at the maximum speed that is set here when the treadle is fully depressed 4 The icon 1 will illuminate and the setting will be locked 5 When sewing starts the sewing speed display disappears and returns to the orange display zigzag width zigzag base line position displ...

Страница 54: ...ersonal injury or damage to the machine Never touch the knife on the face plate when opening the thread takeup guard cover at times such as when taking up slack in the thread otherwise injury may result Use both hands to hold the machine head when tilting it back or returning it to its original position If only one hand is used the weight of the machine head may cause your hand to slip and your ha...

Страница 55: ...tly by its own weight while the thread end coming out of the bobbin case is held Upper thread tension After the lower thread tension has been adjusted adjust the upper thread tension so that a good even stitch is obtained 1 Lower the presser foot 2 Adjust by turning the tension nut 2 3 After adjusting the upper thread tension pull the upper thread in the direction of the arrow and check that the r...

Страница 56: ...h length Stitches are puckered Decrease the pressure The presser foot pressure should be as weak as possible but strong enough so that the material does not slip 1 Loosen the adjusting nut 1 2 Turn the presser adjusting screw 2 to adjust the presser foot pressure 3 Tighten the adjusting nut 1 0578M 0580M 0579M 3473M Becomes stronger Becomes weaker ...

Страница 57: ...f children Use both hands to hold the machine head when tilting it back or returning it to its original position If only one hand is used the weight of the machine head may cause your hand to slip and your hand may get caught 10 1 Daily cleaning procedures The following cleaning operations should be carried out each day in order to maintain the performance of this machine and to ensure a long serv...

Страница 58: ... from the factory 1 Look at the oil window 1 from directly in front 2 If the oil level is below the normal level add more lubricating oil as described in the following procedure Lubrication Use only the lubricating oil Nisseki Mitsubishi 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 Rem...

Страница 59: ...il if the oil gauge 2 is below the lower reference line Refer to page 9 3 Checking 1 Replace the needle if it is bent or if the tip is broken 2 Check that the upper threads have been threaded correctly Refer to page 17 3 Carry out a test sewing 3479M Upper reference line Lower reference line 3480M ...

Страница 60: ... 3 will flash NOTE If you do not apply grease when the GREASEUP notification appears the notification will continue to appear and the power indicator 3 will flash each time the power is turned on until you reset the notification by carrying out the procedure on the following page If you continue to use the sewing machine after the GREASEUP notification appears without applying grease or without ca...

Страница 61: ... holes until the grease overflows slightly 3 Tighten the screw to push in the grease 4 Turn the machine pulley by hand to move the needle bar up and down several times in order to disperse the grease 5 Use a rag to wipe away any excess grease on and around the screws NOTE For screws 1 and 2 remove the screws once more and then wipe around the seats with the rag After doing this securely tighten th...

Страница 62: ...splay 1 xxx represents the time between grease applications 5 Press the rightmost key 7 The xxx will change to 0 6 Press and hold the ENTER key 8 for two seconds or more A long beep will sound and then the main display 1 will switch to zigzag width zigzag base line position display mode 7 Depress the treadle to run the sewing machine for 1 second or more 8 Turn the power switch to OFF This complet...

Страница 63: ...oes not match is used it may damage the screw heads and cause personal injury or damage to the sewing articles Use only the proper replacement parts as specified by Brother 11 1 Fixed knife and movable knife 8560A only Removal 1 Remove the two screws 1 and then remove the knife unit 2 2 Remove the four screws 3 and then remove the knife holder 4 3 Remove the fixed knife 5 and the movable knife 6 I...

Страница 64: ...1 and then remove the stopper plate 2 2 Remove the stopper 3 which is inserted into the stopper plate 2 and then install the stopper 3 which matches the presser foot and needle plate 3 Install the stopper plate 2 to the machine head and then securely tighten the two screws 1 4 Turn on the power 5 Set the zigzag width to the maximum width for the gauge parts 6 Turn the machine pulley by hand and ch...

Страница 65: ...r than the maximum feed amount for the feed dog and this could cause problems such as damage or noise In order to prevent dial setting errors such as this change the maximum feed amount setting for the sewing machine to match the maximum feed amount for the feed dog 1 Tilt back the machine head 2 For models specifications other than the 8550A 031 loosen the two screws 1 so that the quick reverse s...

Страница 66: ...regulator connecting rod 10 and then tighten the screw 3 Fig A 8 With the reverse lever 9 lowered all the way move the stopper 6 down until it touches the F regulator connecting rod 10 and then tighten the screw 4 Fig B 9 For models specifications other than the 8550A 031 with the reverse lever 9 lowered all the way with the plunger 11 of the quick reverse solenoid moved to its highest position to...

Страница 67: ... head may cause your hand to slip and your hand may get caught Never touch the knife on the face plate when opening the thread takeup guard cover otherwise injury may result If any safety devices have been removed be absolutely sure to re install them to their original positions and check that they operate correctly before using the machine When removing the needle plate auxiliary needle plate and...

Страница 68: ...head and the table hole is 1 25 mm At this time the clearance between the safety switch 1 and the table hole is 4 5 mm If the clearance is too great place a washer 2 on the machine head side as shown in figure B and re install the safety switch 1 If the position cannot be satisfactorily adjusted in this way add more washers of the same thickness 3508M Table Sewing machine 3509M 2272M 3510M If the ...

Страница 69: ...nsion of the thread tension spring 1 is 0 25 to 0 30 N 1 Press the upper thread slightly above the thread tension bracket 5 with a finger to stop the thread spooling out 2 Pull the upper thread down until the thread tension spring 1 starts to move down and measure he tension of the thread tension spring 1 at this point 3 Insert the tip of a screwdriver into the groove in the thread tension stud 6 ...

Страница 70: ... the height of the presser foot 1 to 6 mm 5 Tighten the screw 7 6 Adjust the presser foot pressure using the adjustment screw 6 and then tighten the nut 5 7 Install the thread take up guard 4 with the two screws 3 12 5 Adjusting the feed dog height The standard height of the feed dog 1 is 1 mm for the 8550A and 1 1 mm for the 8560A at the front when the feed dog is raised as far as possible above ...

Страница 71: ...e standard position In order to prevent puckering lower the front of the feed dog 1 Figure A In order to prevent the material from slipping raise the front of the feed dog 1 Figure B 5 Securely tighten the set screws 4 When the angle of the feed dog 1 is adjusted the height and forward back position of the feed dog 1 will also change and will need to be readjusted 12 7 Adjusting the forward back p...

Страница 72: ...osen the screw 9 4 Move the needle bar up or down to adjust so that the needle bar height gauge 2 is touching the top of the needle plate 3 when the machine pulley is turned so that the needle bar 1 is at its lowest position 5 Securely tighten the screw 9 6 Remove the needle bar height gauge 2 7 For the 8560A install the spacer 7 needle plate 3 and auxiliary needle plate 6 8 Install the presser fo...

Страница 73: ...heck that the distance from the upper edge of the needle hole to the tip of the rotary hook 10 is 0 2 to 0 5 mm at this time If the distance is not correct adjust the height of the needle bar Refer to page 64 9 If needle deflection occurs when sewing material with joints bend the needle guard 13 as shown in the illustration A so that it touches the needle After this check that the clearance betwee...

Страница 74: ...ry hook 2 and hold it there Then run the sewing machine at the normal sewing speed for 10 seconds Any type of paper can be used as the lubrication amount check sheet 1 5 Check the amount of oil which has spattered onto the sheet Be sure to repeat this operation three to four times to check average lubrication amounts If adjustment is necessary carry out the following operations in Adjusting the lu...

Страница 75: ... Adjusting the treadle Forward depression sensitivity adjustment If the machine starts running at low speed when your foot is simply resting on the treadle or if the treadle pressure is felt to be too weak adjust the position a to c at which the treadle spring 1 is hooked onto the treadle lever 2 A is the weakest position and it becomes gradually stronger at b and c respectively Backward depressio...

Страница 76: ...roove in the thread trimming cam 10 7 Provisionally tighten the two set screws 5 8 Place the set screw collar 11 firmly against the thread trimming cam 10 and then securely tighten the two set screws 6 Rotating direction adjustment 1 While still pushing thread trimming driving rod 7 by hand turn the machine pulley slowly by hand toward you until the reference line on the thread take up lever 12 is...

Страница 77: ...resser spring 1 to 0 03 to 0 11 N NOTE If using a tension gauge sold separately to measure the tension take the reading from the scale on the side of the red line 12 16 Adjusting the thread trailing length after thread trimming 8560A only Standard position for upper thread feeding device The standard position for the upper thread feeding device is as shown in the illustration 1 Loosen the set scre...

Страница 78: ...n 6 is to strong it will be more difficult to adjust the upper thread trailing amount The pre tension 6 should be adjusted to as weak a tension as possible while still allowing the rotary disc 7 to rotate smoothly The thread tension will change at this time so be sure to re adjust the upper thread tension Refer to page 47 12 17 Adjusting the thread wiper 8560A only Horizontal position adjustment T...

Страница 79: ...akeup guard cover otherwise injury may result When removing the needle plate auxiliary needle plate and knife unit use a screwdriver that matches the size of the screw heads If a screwdriver with a size that does not match is used it may damage the screw heads and cause personal injury or damage to the sewing articles 13 1 Presser bar U and presser bar tip Removal 1 Remove the presser foot 1 2 Rem...

Страница 80: ...r foot to presser bar tip A 17 or presser bar tip B 18 5 Install the washer 11 spring guide 9 and spring 10 6 Tighten the adjustment screw 8 7 Loosen the screw 12 align the presser foot with the groove in the needle plate 20 and then carry out the adjustment in Adjusting the presser foot height Refer to P 62 When tightening the screw 12 lower the guide bracket 13 until it is touching the lifter le...

Страница 81: ... DOG 8560A only 73 14 WHEN USING A NON STANDARD FEED DOG 8560A only When using a non standard feed dog modify it as shown below Using a non standard feed dog without modifying it will break the movable and fixed knives 1405M 0 5 15 R5 5 11 11 11 4 2 ...

Страница 82: ...5 1 Sewing Items with a in the Page column should only be checked by a qualified technician Problem Possible cause Page 1 Upper thread is not tight Is the upper thread tension too weak or is the lower thread tension too strong Adjust the upper thread tension or lower thread tension Was the thread threaded through the thread guide of the bobbin case in accordance with the type and thickness of the ...

Страница 83: ...t is depressed backward Adjust the force required to depress the treadle backward so that it is a bit heavier 67 5 Skipped stitches at sewing start Thread unravelling at sewing start Is the thread take up spring tension too strong Reduce the tension of the thread take up spring Is the thread take up spring operating range too large Lower the position of the thread take up spring Is the needle too ...

Страница 84: ...ct needle or the correct thread Is the rotary hook bobbin case thread take up lever or some other part in the thread path damaged Repair the damage or replace the part with a new one 47 47 61 61 64 64 8 Large degree of puckering excess tension Is the upper thread tension too strong Make the upper thread tension as weak as possible Is the lower thread tension too strong Make the lower thread tensio...

Страница 85: ...r too strong Adjust the upper thread or lower thread tension Is the upper thread may be loose because the thread take up spring operating range is too small Adjust the position of the thread take up spring Is the needle and rotary hook timing incorrect Adjust the height of the needle bar Adjust the clearance between the needle and the rotary hook Is the thread too thick for the needle Use the corr...

Страница 86: ...e upper thread feeding device 69 15 Oil gauge 1 is not visible in oil gauge window Is the oil tank empty Fill the oil tank with oil 9 16 Machine does not operate at high speed Is the sewing speed setting or backtack speed setting incorrect Use the sewing speed control keys to set the high speed 22 17 Machine stops during sewing Is the fixed stitch key turned on Press the fixed stitch key so that t...

Страница 87: ...tion of the operation panel that makes it seem like a key is still being pressed Press the power switch once more and check the operation panel If the error still appears contact the place of purchase Err 90 Treadle unit not connected Is the treadle unit connector 4P inside the control box disconnected Insert the connector securely Err 95 Treadle error Was the power turned on while the treadle was...

Страница 88: ...re Turn the power switch off and then back on again and then operate the sewing machine normally Err 191 Thread trimming overtime error 8560A This appears on the display if the needle bar does not move to the needle up stop position after the treadle is depressed backward Check that the thread is not tangled around the rotary hook or the knife unit Check if there is a problem with the thread trimm...

Страница 89: ...er voltage Abnormal drop in power supply voltage Check the input voltage Err 710 Overcurrent Is the 9 pin or 11 pin connector inside the control box disconnected Insert the connector securely Err 740 Cooling fan problem The cooling fan 1 inside the control box is not working Check if it is blocked with thread scraps Is the 3 pin connector inside the control box disconnected Insert the connector se...

Страница 90: ...INSTRUCTION MANUAL 15 1 Naeshiro cho Mizuho ku Nagoya 467 8561 Japan Phone 81 52 824 2177 2005 Brother Industries Ltd All Rights Reserved Z 8550A 8560A SA6035 001 E 2005 09 B 1 http www brother com ...

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