Brother RH-9820 Instruction Manual Download Page 64

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6. USING THE SEWING MACHINE (SEWING OPERATION)

RH-9820

6-3. Adjusting the thread tension

The thread tension needs to be adjusted in accordance with the articles being sewn.

[Reference thread tensions]

Material

Woollen material

(2 layers) + padding

Denim (3 layers)

Thread used

#30 synthetic thread

#50 spun thread

Needle

DO x 558 Nm90

DO x 558 Nm110

Upper thread tension (N)

0.6

1.0

Lower thread tension (N)

0.3

Thread take-up spring tension (N)

0.05

0.07

Thread take-up spring stroke (mm)

* The upper thread tension given above is the tension when the upper thread is pulled out from the thread

path hole of the thread take-up lever, and the lower thread tension is when the lower thread is pulled out
from the needle hole in the throat plate.

1. Adjust by turning the tension nut (1).
2. Turn the tension nut (2) (sub tension) to adjust so that the

upper thread trailing length is about 35 mm.
* When the tension nut (2) is turned clockwise, the

upper thread trailing length will decrease, and when it
is turned counterclockwise, the length will increase.

Adjust by turning the tension nut (3).

0442B

Increase

Decrease

0443B

Increase

Decrease

Summary of Contents for RH-9820

Page 1: ...RH 9820 Please read this manual before using the machine Please keep this manual within easy reach for quick reference ELECTRONIC EYELET BUTTON HOLER INSTRUCTION MANUAL ...

Page 2: ...ewing 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 correct...

Page 3: ...ath or serious injury CAUTION The instructions which follow this term indicate situations where failure to follow the instructions could cause injury when using the machine or physical damage to equipment and surroundings Symbols This symbol indicates something that you should be careful of The picture inside the triangle indicates the nature of the caution that must be taken For example the symbo...

Page 4: ...ll 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 any electrical work that may need to be done The sewing machine weighs approximately 120 kg Installation of the sewing machine and adjustment of the table height should be carried out by four ...

Page 5: ...ubricating oil so that it does not get into your eyes or onto your skin If care is not taken inflammation can result Furthermore do not drink the lubricating oil Diarrhea or vomiting may result 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 qualif...

Page 6: ...ty devices Devices such as eye guard finger guard needle bar guard needle guide cover and belt cover 4 Be careful not to get your hands caught when returning the machine head to its original position after it has been tilted 5 Be careful not to get your hands caught when moving the feed base backward 6 Be sure to connect the ground If the ground connection is not secure you run a high risk of rece...

Page 7: ...RH 9820 v Belt cover Rear 0331B 0332B 0334B 0486B 0485B 0333B ...

Page 8: ...5 3 16 Adjusting the air pressure 25 3 17 Installing the eye guard 26 3 18 Installing the dust bag 26 3 19 Installing and removing the work clamp plates 27 3 20 Lubrication 28 3 20 1 Adding oil 28 3 20 2 Lubrication 29 4 PREPARATION BEFORE SEWING 30 4 1 Installing the needle 30 4 2 Threading the upper thread 31 4 3 Threading the lower thread 32 4 4 Threading the gimp 33 4 5 Threading the threads w...

Page 9: ...ure 90 9 18 Adjusting the work clamp lift amounts 91 9 19 Adjusting the work clamp positions 92 9 20 Adjusting the positions of the work clamp plates 93 9 21 Adjusting the cloth opening amounts 94 9 22 Adjusting the upper thread feeding amount 95 9 23 Adjusting the lower thread feeding amount 01 specifications only 96 9 24 Replacing and adjusting the upper movable knife 96 9 24 1 Replacing the upp...

Page 10: ...tion 1 Power switch 7 2 pedal foot switch 2 Control box 8 Hand start switch 3 CF slot 9 STOP switch 4 Operation panel 10 Upper shaft pulley 5 Treadle unit 11 Feed base 6 Treadle commercially available 12 Cotton stand Safety devices 13 Finger guard 16 Needle guide cover 14 Eye guard 17 Belt cover 15 Needle bar guard CF TM is a trademark of SanDisk Corporation 0335B ...

Page 11: ...titch Sewing length Eyelet buttonholes 8 50 mm Straight buttonholes 5 50 mm Eyelet buttonholes 8 42 mm Straight buttonholes 5 42 mm L1422 14 22 mm 2 L1826 18 26 mm L2230 22 30 mm L2634 26 34 mm 2 L3442 34 42 mm 2 Stitch pitch 0 5 2 0 mm Zigzag width 1 5 5 0 mm Max 4 0 mm with mechanism Max 1 0 mm with software Taper bartack length 0 20 mm Work clamp height Standard 12 mm up to 16 mm possible 16 mm...

Page 12: ...IONS 3 2 2 Sewing shapes Eyelet buttonhole Without bartack Taper bartack Straight bartack Round bartack Straight buttonhole Without bartack Taper bartack Straight bartack Round bartack Circular stitch 0536B 0539B 0540B 0543B 0544B ...

Page 13: ...ely bend the cords or secure them too firmly with staples If this is not observed there is the danger that fire or electric shocks could occur 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 Install the safety covers to the machine head and motor 3 1 Table processing di...

Page 14: ...nit For cotton stand 2 x 4 mm dia 20 depth from underneath table For pneumatic unit For cords For treadle unit For table leg For oiler For bed base For provisionally holding bed base Melamine veneer panel 2 x 2 mm dia 10 depth from underneath table For power switch 4 x 2 mm dia 10 depth For operation panel For operation panel cord For cords Φ50 ...

Page 15: ...bedded installation only If the table is more than 50 mm thick the square neck bolts will not be long enough so hollow out the underside of the table to a diameter of 26 mm so that the thickness is 40 mm For control box 4 x 4 mm dia 20 depth From underneath table For valve unit For cotton stand For pneumatic unit Shaded area should be C10 For table leg Melamine veneer panel 2x 2mm dia 10 depth fro...

Page 16: ... RH 9820 sewing machines 1 Control box 3 Bolts 4 pcs 4 Plain washers 4 pcs 5 Nuts 8 pcs NOTE Check that the control box 1 is at least 10 mm away from the leg If the control box 1 and the leg are too close together it may result in incorrect sewing machine operation 10mm or more Leg 6 Power switch 7 Screws 2 pcs 8 Staples 5 pcs Use the remaining two staples to secure the power cord 9 in a position ...

Page 17: ...uts 10 pcs 3 4 Installing the machine head 3 4 1 When setting up on top of the table Only when using the treadle Before installing the machine head install the three treadle mounting bolts A to the table Insert the bolts A securely so that their heads do not protrude out from the top of the table Refer to 3 12 Installing the treadle unit when using the treadle Table Continued on next page 0342B 03...

Page 18: ...4 to provisionally secure the bed base to the table from underneath the table 3 After provisionally securing the bed base remove the fixing bolt 5 4 Tilt back the machine head and then install the remaining three of the four bolts 3 to the other three places in the bed base Refer to 3 5 Tilting back and returning the machine head for details on tilting back the machine head 6 Washers 4 pcs 7 Rubbe...

Page 19: ...n the illustration Do not hold by the head support lever 3 4 Rubber sheets 12 pcs 5 Bolts 4 pcs 6 Washers large 4 pcs 7 Nuts 4 pcs After installing the machine head remove the fixing bolt 8 Tilt back the machine head and install the rubber caps 9 to the four holes in the bed base NOTE The fixing bolt 8 is needed when moving the machine head so store it in a safe place Be sure to use the rubber she...

Page 20: ...hinge support shaft 5 and then gently lift up the machine head until the head support lever 4 securely engages section B NOTE The machine head will be momentarily stopped by the gas spring 6 immediately before it rises to the second step but it will not be locked at this point Lift the machine head until the head support lever 4 securely engages section B of the hinge support shaft 5 CAUTION Be su...

Page 21: ...ightened too much the feed bar cover U 4 may become cracked 3 7 Installing the oiler The oiler should be installed while the machine head is tilted back Refer to 3 5 Tilting back and returning the machine head 1 Dust oiler support 2 Screws 2 pcs 3 Oiler 4 Oiler spring pin Use a hammer or similar to tap the pin 4 so that its head is flush with the base of the oil pan 5 NOTE When tapping in the pin ...

Page 22: ...mped when screwing the operation panel into the table The cord may become damaged if it is clamped 3 9 Installing the cotton stand Install the cotton stand so that it is at the far left of the table when looking from the front of the sewing machine Do not use the thread guide 1 which is provided a an accessory with the cotton stand 2 Cotton stand 3 Washer 4 Nut NOTE Tighten the nut to secure the c...

Page 23: ...wing machine parts and the corners of table drawers during installation 3 11 Installing the 2 pedal foot switch when using the 2 pedal foot switch 1 2 pedal foot switch 2 Foot switch conversion harness Pass the connector of the foot switch conversion harness 2 into the control box through the hole in the rear of the control box Refer to 3 8 Installing the operation panel 2 pedal foot switch operat...

Page 24: ...ilable treadle 5 and connecting rod 6 Treadle operation method When the treadle 5 is depressed to the 1st step the work clamp will be lowered and when it is depressed to the 2nd step the sewing machine will start 1st step 2nd step 3 12 2 When embedding into the table 1 Treadle unit 2 Screws 3 pcs Pass the connector of the treadle unit 1 into the control box through the hole in the rear of the cont...

Page 25: ... to 3 8 Installing the operation panel When setting up on top of the table Insert the cord into the quick tube 6 and then pass it through the table hole 5 This is to prevent damage from the cord rubbing against the table hole 5 when the machine head is tilted back and returned When setting up on top of the table Hand start switch operation method When the work clamp switch left side is depressed t...

Page 26: ...ust its position 2 Once adjustment is complete securely tighten the screws 2 Forward back and sideways position The hand start switch mounting plate 7 has three screw holes in it You can select the installation position from either A or B shown in the illustration by changing the screw holes used by the screws 8 In addition when the screws 8 are loosened the hand start switch 1 can be moved forwar...

Page 27: ...gh the hole in the rear of the control box 4 Pass the hammer valve harness 3 into the control box through the hole in the rear of the control box 4 Hammer valve 5 Insert each of the connectors as shown in the illustration and table on pages 19 and 20 NOTE Check that the connectors are facing the correct way and then insert them firmly until they lock into place Secure the cables with fastening ban...

Page 28: ...pulse motor encoder 5 pin blue P4 Y ENC 5 θ feed motor encoder 5 pin black P5 P ENC 5 Treadle 2 pedal foot switch hand start switch 10 pin P6 FOOT 5 Operation panel 8 pin P1 PANEL 7 8 Hammer position sensor P3 CUTTER 6 Machine head safety switch 3 pin P9 HEAD SW 6 Y home position cooling fan sensor 12 pin P8 SENSOR1 6 STOP switch 6 pin P13 HEAD 6 Zigzag check low thread trimming OFF sensor 6 pin P...

Page 29: ...n P4 UVW 7 Synchronizer 14 pin P5 SYNC 7 8 Connectors At PMD P C board Insertion location Cord clamp θ feed motor 4 pin black P3 PPM 7 8 Gimp clamp lower tension release solenoid 6 pin P6 SOL1 7 8 Upper tension release solenoid 4 pin P7 SOL2 7 8 Y feed motor 4 pin blue P8 YPM 7 8 X feed motor 4 pin white P10 XPM 7 8 NOTE Route the X feed Y feed and θ feed motor harnesses so that they do not touch ...

Page 30: ...e some slack in the cords outside the control box so that the cords do not get pulled too tightly inside the control box Securely close the cord presser plate 9 If dust gets inside the control box it may cause problems with operation 7 Check that the cords do not get pulled and then gently return the machine head to its original position 0368B ...

Page 31: ...d 3 Ground wire from foot switch conversion harness of 2 pedal foot switch when using 2 pedal foot switch NOTE Make sure that the ground connections are secure in order to ensure safety Secure the cover 5 of the control box 4 by tightening the eight screws 6 Check that the cords are not clamped by the cover at this time For European destinations For European destinations there are other ground wir...

Page 32: ...sert the power cord plug 1 into a wall outlet For three phase specifications 1 Attach an appropriate plug to the power cord 2 The green and yellow wire is the ground wire 2 Insert the power plug into a properly grounded AC power supply The inside of the control box uses single phase power NOTE Do not use extension cords They may cause problems with correct operation of the sewing machine Single ph...

Page 33: ...se 3 When setting up the machine head on top of the table pass the air tubes through the table hole 3 Insert accessory air tube No 2 into the nipples of the solenoid valve assembly 2 and venturi tube 4 4 Bind the air tubes together using fastening bands 5 3 14 5 Securing the cords NOTE Secure the cords while leaving enough slack in them so that they do not get pulled when the machine head is tilte...

Page 34: ...ently to adjust the pressure When the knob 3 is turned in the direction of the arrow the air pressure will increase 2 Pull down the knob 4 of the hammer pressure adjustment regulator 1 and turn it gently to adjust the pressure When the knob 4 is turned in the direction of the arrow the air pressure will increase NOTE The hammer pressure adjustment regulator 1 is already adjusted to a pressure of 0...

Page 35: ... 4 Close the chuck The longer the distance A from the bottom of the dust bag to the venturi tube 3 the greater the amount of cutting scraps that the dust bag can hold To increase the amount of cutting scraps that can be held adjust so that the distance A becomes longer Cut the knife trash tube 4 and air tube 5 shorter if necessary The efficiency for sucking in the cutting scraps will increase if t...

Page 36: ...ward the outside 4 While holding the clamp lever 5 insert a finger into the notch 6 and push up the right work clamp plate 4 to remove it from the pin 7 5 Pull the right work clamp plate 4 forward to remove it NOTE Move the feed base 2 to a position where the work clamp plate JU 8 can be removed without touching the needle and then lift up the right work clamp plate 4 and remove it 6 Remove the le...

Page 37: ...d also after long periods of non use Filling the arm oil tank Pour lubricating oil in through the lubricating hole 1 in the arm oil tank Use the oil gauge window 2 to check the oil amount and pour in the oil until the oil gauge window 2 is about 8 10ths covered NOTE If the oil level in the oil gauge window drops to cover about 1 3rd of the window be sure to add more lubricating oil If this is not ...

Page 38: ... screws 1 and then remove the face plate 2 2 Add 2 3 drops of oil in the places indicated by the arrows 3 Once lubrication is complete install the face plate 2 Oiling the looper spreader and looper base Looper base left side right side front 1 Remove the left and right work clamp plates Refer to 3 19 Installing and removing the work clamp plates 2 Move the feed base 3 to a position where it will n...

Page 39: ...with the index mark 2 on the looper base If they are not aligned turn the looper base 3 until they are aligned 3 Raise the finger guard 4 4 Loosen the set screw 5 and then remove the needle 6 5 Insert the new needle 7 as far as it will go with the hollow A facing toward the front 6 Securely tighten the set screw 5 7 Lower the finger guard 4 NOTE Do not tighten the set screw 5 while the needle has ...

Page 40: ...and is installed on the right side the threading method will be different Before threading refer to 4 5 Threading the threads when the cotton stand is installed on the right side When using threading mode for threading the tension discs 1 will open so that the thread can be threaded more easily Refer to 5 7 Using threading mode Use the accessory threader 2 in the illustration shows the position fo...

Page 41: ...g the work clamp plates The illustration below shows the method when the cotton stand is installed on the left side If the cotton stand is installed on the right side the threading method will be different Before threading refer to 4 5 Threading the threads when the cotton stand is installed on the right side in the illustration show the positions for inserting the threader Refer to 4 2 Threading ...

Page 42: ... on the left side If the cotton stand is installed on the right side the threading method will be different Before threading refer to 4 5 Threading the threads when the cotton stand is installed on the right side in the illustration show the positions for inserting the threader Refer to 4 2 Threading the upper thread for details on using the threader Gimp should not be clamped 00 specifications Gi...

Page 43: ... installed on the left side Refer to 4 2 to 4 4 for details on threading each of the threads Before threading any of the threads move the thread spool pin 1 to the position shown in the illustration and then install the accessory thread spool pin 2 When installing the cotton stand on the right side it is recommended that you use the accessory thread guide 3 4 Lower thread 5 Gimp 6 Upper thread Ins...

Page 44: ...1 specifications 1 Loosen the screws 3 at the left and right and then move the cloth guides 2 forward or back to adjust the sewing margin a a can be adjusted to between 10 30 mm 2 Once adjustment is complete securely tighten the screws 3 For 02 specifications There are two installation holes 4 for the left and right screws 3 one at the front and one at the back 1 Move the screws 3 to whichever ins...

Page 45: ...est mode 7 TEST indicator Illuminates during test mode 8 MANUAL key This key is used to start manual mode 9 MANUAL indicator Illuminates during manual mode 10 CYCLE key This key is used to start cycle program mode 11 CYCLE indicator Illuminates during cycle program mode 12 PROGRAM key This key is used to start program mode 13 PROGRAM indicator Illuminates during program mode 14 THREAD key This key...

Page 46: ...o change the sewing length 26 Shortcut 3 key This key is used to change the cutting spacing 27 Shortcut 4 key This key is used to change the stitch pitch 28 Shortcut 5 key This key is used to change the number of stitches sewn for eyelets 29 Shortcut 6 key This key is used to change the bartack length 30 key This key is used to increase the values for program numbers and parameter numbers 31 key T...

Page 47: ... hand start switch specifications specifications During test mode For treadle specifications Depress the treadle The feed base will move to the material setting position The panel display will switch to the standby condition 2 for the mode automatic mode manual mode test mode cycle program mode or program mode that was active when the sewing machine was last turned off 1 If settings for an optiona...

Page 48: ...from P01 to P20 Follow the method given below to change the contents of a program before using it 1 Switch the mode to test mode 2 Select the program number from P01 to P20 1 to select the program that you would like to change The program No 1 changes in the order shown in the illustration each time the key is pressed The key changes the order in the opposite direction NOTE Program mode is not ava...

Page 49: ...y pressing the AUTO TEST or MANUAL key without pressing the ENTER key 7 Repeat steps 4 6 above to change other parameters Shortcut keys The shortcut keys have the following six often used parameters registered into them You can retrieve a desired parameter simply by pressing the corresponding shortcut key These operations can be carried out from any mode automatic manual test and program mode exce...

Page 50: ...00 specifications Eyelet buttonholes 8 50 mm Straight buttonholes 5 50 mm 01 specifications Eyelet buttonholes 8 42 mm Straight buttonholes 5 42 mm 02 specifications L1422 14 22 mm L1826 18 26 mm L2230 22 30 mm L2634 26 34 mm L3442 34 42 mm 0 5 00 specifications 25 mm 01 specifications 25 mm 02 specifications L1422 18 mm L1826 22 mm L2230 26 mm L2634 30 mm L3442 38 mm 03 Cutting space 0 3 0 5 mm 0...

Page 51: ...leration speed 2 600 0 rpm 100 0 rpm 14 Straight bartack speed 3 1 000 2 500 rpm 100 1 800 rpm 15 Number of slow start stitches 0 3 stitches 1 0 stitches 16 Slow start speed 4 400 1 500 rpm 100 700 rpm 2 The standard eyelet deceleration speed is the value that has been set by parameter No 01 sewing speed 3 If the sewing speed is set to a speed that is slower than the straight bartack speed the str...

Page 52: ...5 0 5 mm 0 05 0 0 mm 18 Y cutting position correction value 0 7 0 7 mm 0 05 0 0 mm 19 No of tying stitches at the sewing start 0 4 stitches 1 0 stitches 20 No of tying stitches at the sewing end 0 4 stitches 1 0 stitches 21 X correction value 1 6 1 0 22 Y correction value 1 6 1 0 23 θ 1 correction value 3 3 1 0 24 θ 2 correction value 3 3 1 0 0284B 0291B ...

Page 53: ...X position alignment 1 0 1 0 mm 0 1 0 0 mm 29 Straight bartack angle correction value 3 1 1 0 30 Spare For future version upgrades 31 Stitch pitch for taper bartack tying stitches at the sewing end 20 100 of stitch pitch 5 100 32 No of round bartack overlap stitches 1 4 stitches within 45 degrees 1 1 stitch 33 Stitch pattern for no cutting 1 Same stitch pattern as for cutting before sewing 2 Same ...

Page 54: ... of circular stitch overlap stitches 1 5 stitches within 45 degrees 1 2 37 Sub hammer This is only enabled when the cut length changeover device is being used OFF㧦Hammer ON㧦Sub hammer OFF 38 Spare For future version upgrades 39 Program copy OFF 1 20 Specify the program number for the copy source 1 OFF 40 Bartack shape 1 Without bartack 2 Taper bartack 3 Straight bartack 4 Round bartack 1 2 0298B 0...

Page 55: ...stration each time the key is pressed The key changes the order in the opposite direction 3 Press the work clamp switch 5 The work clamps will be lowered 4 Press the start switch 6 The feed base will move to the sewing start position 5 Press the start switch 6 or the switch to start test feeding The feed base will move forward by 2 stitches each time the switch or key is pressed The feed base will...

Page 56: ...you would like to return the feed base to the previous sewing position during test feeding The feed base will move backward by 2 stitches each time The number of remaining stitches 4 on the display will increase by 2 each time Once sewing continues to the final stitch and the buzzer sounds Press the start switch 6 Keep pressing until the feed base returns to the material setting position 0422B 4 0...

Page 57: ... carried out after cutting has been carried out When cutting before sewing is selected the cutting before sewing indicator illuminates Press the BEFORE orAFTER key during the standby condition in automatic mode test mode or manual mode The cutting operation changes as shown in the illustration each time a key is pressed Cutting after sewing Cutting is carried out after sewing has been carried out ...

Page 58: ...will be reduced with this setting particularly if cutting after sewing is selected To move the feed base forward Press the FRONT BACK key during the standby condition in automatic mode test mode or manual mode The feed base will move forward to the sewing start position To move the feed base backward standard material setting position Press the FRONT BACK key once more The feed base will move back...

Page 59: ...ding mode is safe because the sewing machine will not operate when the start switch is pressed or the treadle is depressed 1 Press the THREAD key during the standby condition in automatic mode test mode or manual mode The tension discs will open The buzzer will sound and then the needle bar θ feed 1 will turn 180 degrees After this energization of the X Y and θ feed motors will be stopped 2 Thread...

Page 60: ...sewing first In addition if using the sewing machine when the ambient temperature is cold carry out several test sewing operations to allow the motor to warm up 1 Switch the mode to automatic mode The sewing shape 1 program number 2 cutting operation 3 and production counter 4 will appear in the display 2 Select the desired program number 2 The program number 2 changes in the order shown in the il...

Page 61: ...tch is used to stop the sewing machine if a problem occurs such as a thread breakage Pausing sewing Press the STOP switch 1 while sewing is being carried out The sewing machine will stop and the buzzer will sound Clearing the pause when not continuing from the point where sewing was paused 1 Press the RESET key The display will change alternately The buzzer will stop sounding 2 Eliminate the cause...

Page 62: ...the key once 4 Press the and keys to determine the position to resume sewing If a problem such as an upper thread breakage has occurred you can press the THREAD key to switch to threading mode The key moves forward and the key moves backward The feed will move quicker if you keep the key pressed down 5 Press the start switch 1 Automatic sewing will resume NOTE If the STOP switch is pressed before ...

Page 63: ...ethod Press the STOP switch 1 while manual sewing or test feeding is being carried out The buzzer will sound Clearing the suspended display Press the RESET key The buzzer will stop sounding After the home positions are detected the needle bar and feed base will move to the material setting position 0436B 0320B 0437B ...

Page 64: ...er thread tension given above is the tension when the upper thread is pulled out from the thread path hole of the thread take up lever and the lower thread tension is when the lower thread is pulled out from the needle hole in the throat plate Upper thread tension adjustment 1 Adjust by turning the tension nut 1 2 Turn the tension nut 2 sub tension to adjust so that the upper thread trailing lengt...

Page 65: ...e tension When turned in the direction of the arrow the tension of the thread take up spring 6 will increase 2 Once adjustment is complete tighten the screw 4 Stroke adjustment 1 Loosen the screw 7 and then turn the L thread take up spring guide 8 to adjust the stroke When turned in the direction of the arrow the stroke of the thread tension spring 6 will increase 2 Once adjustment is complete tig...

Page 66: ...e of storing a cycle program into cycle program C1 that consists of three steps of independent program 01 with cutting operation on and one step of independent program 03 with cutting operation off Example Setting contents for cycle program C1 Step number Step 1 Step 2 Step 3 Step 4 Independent program number P01 P01 P01 P03 Cutting operation Yes Yes Yes No 1 Press one of the following keys to sel...

Page 67: ...en made When is set the contents for all subsequent steps are cleared 5 Apply the changed contents The contents 3 for step 1 will change from flashing to steadily illuminated 6 Set the step number 2 to 2 7 Repeat steps 4 and 5 above to set the contents for step 2 of the cycle program to P01 the same contents as for step 1 8 Set the step number 2 to 3 9 Repeat steps 4 and 5 above to set the content...

Page 68: ...hange the P to P This sets no cutting operation 13 Apply the changed contents 14 Press one of the following keys to exit cycle program mode NOTE When a cycle program is selected for automatic sewing to be carried out the cutting operation used is the operation that is currently selected cutting before sewing or cutting after sewing 2 0240B 0413B 0598B 0414B 0415B 0445B 0510B 0432B or 3 3 ...

Page 69: ...ch 1 to the ON side 2 Memory switch number 3 Setting for selected number 4 Setting range 2 Select the memory switch 2 that you would like to change the setting for 3 Change the setting value 4 When the setting value is changed 4 will start flashing If you would like to return the setting to the default value press the RESET key 4 Apply the changed setting The setting for the memory switch will be ...

Page 70: ...ctions to the F key If the setting is OFF The help screen will be displayed while the F key is being pressed If the setting is 1 40 The 7th shortcut key will be enabled When it is pressed the parameters for the specified setting number corresponding to the parameter number will be retrieved OFF 1 40 OFF 301 Parameter display during automatic mode Sets the parameter settings that appear in the disp...

Page 71: ...ush the POWER switch 1 to the ON side The mode will switch to initialization mode 2 Select the initialization level 1 from 1 to 3 Level 1 is selected as the default The settings that are reset initialized will vary depending on the initialization level selected Refer to the table on the next page 3 To proceed with initialization 4 To carry out initialization INITIALIZING will be displayed and init...

Page 72: ...s displayed at the bottom right of the screen during automatic mode The counter value increases by 1 each time a pattern is sewn 1 Switch the mode to automatic mode Production counter 2 While the sewing machine is at standby hold down the ENTER key and press the key 3 Set the counting value 1 When the counting value is changed 1 will flash in the display If you would like to return the setting to ...

Page 73: ...lay will return to the normal display NOTE If the F key has been assigned as a shortcut key by changing the memory switch settings it will not be possible to display the help screen To display the help screen change the setting for memory switch No 300 to OFF Refer to 7 2 Setting memory switches Meaning of help screen symbols Symbol Meaning Operation method How to switch to data initialization mod...

Page 74: ... cutting operation 3 total number of stitches 4 and number of stitches remaining 5 will appear in the display 2 Select the desired program number 2 The program number 2 changes in the order shown in the illustration each time the key is pressed The key changes the order in the opposite direction 3 Place the material to be sewn under the work clamps and then press the work clamp switch 6 The work c...

Page 75: ...no seam will be formed so do not turn it in the reverse direction 6 If you would like to pause manual sewing and return the feed base to the material setting position Press the STOP switch 8 and then press the RESET key Once sewing continues to the final stitch and the buzzer sounds When the needle bar is at the needle up stop position press the start switch 7 Keep pressing until the feed base ret...

Page 76: ...g is in progress If a stop or interruption has been cleared during automatic sewing manual sewing or test mode you can switch the mode to the desired mode by pressing the corresponding mode key The sewing mode changes as shown in the illustration each time a key is pressed Test mode Automatic mode Manual mode 0441B ...

Page 77: ...g machine has not been used for a long period of time carry out the following cleaning procedures before using it again 8 1 1 Cleaning NOTE Do not use the air gun while the machine head is tilted back Thread scraps may get inside the machine head and cause problems with operation 1 Turn off the power switch 2 Turn the air cock to stop the flow of air and then press the button to release the air Re...

Page 78: ...1 Close Open 8 1 3 Checking the needle Always check that the tip of the needle is not broken and also the needle is not bent before starting sewing 8 2 Monthly cleaning and inspection This section describes the cleaning procedures that should be carried out periodically about once a month 8 2 1 Cleaning the control box air inlet port Use a vacuum cleaner to clean the filters in the air inlet ports...

Page 79: ...ard Wipe the eye guard clean with a soft cloth NOTE Do not use solvents such as kerosene or thinner to clean the eye guard They may cause discoloration or deterioration of the eye guard 8 3 3 Lubrication Lubricate the machine head when required while referring to 3 20 Lubrication 8 3 4 Draining water 1 Tilt back the machine head 2 Water may collect in the bed base 1 depending on the condition of t...

Page 80: ... need to be left on when carrying out some adjustment be extremely careful to observe all safety precautions 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 9 1 Adjusting the heights of the spreaders and loopers Spreader height When seen from directly above When seen from the fr...

Page 81: ...nts 9 20 Adjusting the positions of the work clamp plates 9 21 Adjusting the cloth opening amounts 1 Turn the cover 1 to open it 2 Use the accessory socket wrench to loosen the zigzag width adjustment nut 2 3 Move the adjustment screw 3 up or down along the slot to adjust The zigzag width becomes smaller as the adjustment screw 3 is moved upward The zigzag width becomes larger as the adjustment sc...

Page 82: ... the length of the needle is 15 mm 2 Sharpen the tip of the needle NOTE Sharpen the needle so that the tip of the needle is in the middle Sharpen tip 3 Place a piece of paper 1 underneath the work clamps 4 Turn the upper shaft pulley 2 to set the needle to its lowest position 5 Move the needle up or down to adjust the installation position of the needle so that the tip of the needle makes a hole w...

Page 83: ...le on the previous page 3 Move the feed base 4 forward to near the sewing start position by hand 4 Place a piece of paper 5 underneath the work clamps Secure the piece of paper so that it will not move 5 Turn the upper shaft pulley 6 to lower the needle so that it makes a small hole in the paper 5 6 Turn the upper shaft pulley 6 in reverse to return the needle to its original position needle up po...

Page 84: ...remove the cap 11 11 Insert a flat tipped screwdriver into the hole and turn the zigzag eccentric pin 12 to adjust the zigzag base line position 12 Tighten the socket bolt 9 13 Repeat steps 4 12 until the inner zigzag base line is aligned correctly 14 Once adjustment is complete return the cap 11 cover 10 and face plate 8 to their original positions 0476B 0434B ...

Page 85: ...eedle bar to its lowest position at the inside sewing position 3 Use calipers to measure the length from the edge of the needle bar 4 to the top of the needle bar bush holder base 5 4 Next turn the upper shaft pulley 3 until the tip of the eye looper 6 is aligned with the needle center 7 5 In the same was as in step 3 use calipers to measure the length from the edge of the needle bar 4 to the top ...

Page 86: ... Add 2 7 mm to the value obtained in step 2 above and set the width of the calipers to the resulting value 4 Turn the upper shaft pulley 1 until the edge of the needle bar 2 touches the edge of the calipers and stop turning the upper shaft pulley 1 at that point A Push against Should be no gap 5 Tilt back the machine head 6 Loosen the two set screws 5 of the lower shaft cam 4 7 With the upper shaf...

Page 87: ...le is at the inside sewing position 3 Loosen the two screws 4 of the top and bottom needle bar clamps 3 4 Lower the needle bar 5 2 5 mm from the position where the tip of the eye looper 1 is aligned with the top edge of the needle hole 5 In order to make the needle bar turn smoothly adjust so that there is no play in the needle bar but so that there is enough of a gap between the needle bar clamps...

Page 88: ...otation is already adjusted at the time of shipment from the factory After making this adjustment carry out the adjustment procedures given in 9 9 Adjusting the spreader installation positions 9 8 Adjusting the needle guard If the needle count has been changed always be sure to check the position of the needle guard and adjust the position if necessary This adjustment should be made for both the i...

Page 89: ...re as shown in the illustration below 2 Once adjustment is complete tighten the set screw 4 3 Loosen the set screw 8 and adjust the spreader stopper R 9 so that the top edge of the tip of spreader R 6 is aligned with the top edge of the tip of looper R 7 4 Once adjustment is complete tighten the set screw 8 NOTE Spreader L 1 and spreader R 6 should not protrude above the eye looper 2 or looper R 7...

Page 90: ...ly before the needle bar reaches its lowest position Adjustment can be carried out more easily if it is done in manual mode 1 Tilt back the machine head 2 Loosen the two screws 2 and then loose the set screw 6 3 Turn the eccentric pin 7 to adjust 4 After adjusting tighten the set screw 6 and the two screws 5 in that order NOTE Make sure that spreader R 1 and spreader L 2 do not obstruct the needle...

Page 91: ...ight of the throat plate 8 as follows For 00 and 01 specifications Adjust so that the top of the throat plate 8 and the top of the needle plate 9 are at the same height For 02 specifications Adjust so that the top of the throat plate 8 is 0 4 0 6 mm lower than the top of the needle plate 9 NOTE If the position of the throat plate 8 is too high it may obstruct the movable knife and damage it Press ...

Page 92: ... Refer to Figure A Use a grinder to grind section b of the hammer so that cutting length 1 5 mm a 3 If installing a new hammer Push the hammer against the positioning pin 3 or the hammer spacer 4 and then tighten the knob screw 1 NOTE If the knife that was being used previously is replaced by a knife with a different number replace the hammer also If the same hammer is used for two or more differe...

Page 93: ...e old hammer after the knife has been replaced If the same hammer is used it may damage the tip of the knife 9 13 1 Filing the cutting surface of the hammer The cutting pressure over the whole of the hammer should be uniform so that the material will be cut cleanly File the cutting surface of the hammer so that the knife incision will be uniform over the whole of the hammer The hammer can be filed...

Page 94: ...the four screws 1 Push the hammer bracket 2 in the direction of arrow C and firmly upward in the direction of D shown in the illustration so that there is no gap between the hammer bracket 2 and the cutter driving shaft 3 and then tighten the screws This operation will position the hammer bracket 2 accurately by pushing the pin 4 of the hammer bracket 2 against the hole side of the cutter driving ...

Page 95: ...made to move together as a single unit 1 Turn the cock 5 in the direction of the arrow to close it and stop the supply of air 2 Press the button 6 to release the air NOTE When the air is released the hammer may lower by its own weight 3 Remove the upper cover 7 and the face plate 8 4 Lower the cylinder rod 9 to align the screw A of the cutter driving shaft 2 with B inside the face plate 5 Use a co...

Page 96: ...topper plate 1 and the knife 2 and then loosen the socket bolt 3 and remove the knife 2 2 Place the new knife to be installed against the block stopper plate 1 and then tighten the socket bolt 3 NOTE When replacing the knife use the parameter settings to change the eyelet pattern to the pattern that corresponds to the knife number 4 that is given on one side of the knife Refer to 5 3 Program setti...

Page 97: ...cutting pressure This is so that the knife will not make several overlapping incisions in the hammer and so that the paper for checking the needle drop does not become pierced while adjusting the knife position 3 Press the AFTER key 2 on the operation panel to set the cutting method to cutting after sewing 4 Place a piece of paper 3 underneath the work clamps 5 Start the sewing machine and trace t...

Page 98: ...h the block stopper plate 6 against the knife and then tighten the screw 5 The block stopper plate 6 is a guide for showing the current position of the knife so be sure to move the block stopper plate 6 so that it is touching against the knife Tilt adjustment 11 Loosen the socket bolts 7 8 and 9 12 Turn the eccentric pin 10 to adjust Make fine adjustments by turning centering on the pivot 11 13 On...

Page 99: ...dle drop position setting to the same position as for cutting after sewing by changing parameter settings Refer to No 33 in 5 3 1 Parameter list Cutting before sewing Cutting after sewing 9 17 Adjusting the cutting pressure Set the cutting pressure to the minimum pressure that still allows the material to be cut Set to between 0 1 0 6 MPa It is set to 0 4 MPa at the time of shipment from the facto...

Page 100: ... screws 5 and the shoulder screw 6 and then remove feed base cover R 7 at the right side Seen from directly to the right 3 Insert a block with a thickness of 12 mm or 16 mm or a gauge 10 in between the support point of work clamp R 8 and the needle plate 9 4 Loosen the screw 12 of the clamp driving lever 11 5 Push section B of crank lever B 1 upward so that the tip 13 is pressed against the end of...

Page 101: ...ht side work clamp Seen from directly to the right Forward back adjustment 1 Loosen the socket bolt 1 and then move the position of the clamp arm 2 forward or back to adjust 2 Next adjust so that the side of work clamp R 3 is parallel to the side of the needle plate 4 3 Once adjustment is complete tighten the socket bolt 1 Sideways adjustment 1 Loosen the two set screws 5 and then adjust the sidew...

Page 102: ...rtcut key 3 4 you can then change the value simply by pressing the keys 5 2 Press the TEST key 6 to turn on test mode and then start test operation Refer to 5 4 Checking the sewing pattern in test mode 3 Press and hold the start switch 7 until the feed base moves to the position where the straight section of the sewing shape is sewn and then release the start switch 7 Straight section when using a...

Page 103: ...tart switch 3 Check that the feed base moves and that the work clamp plates 1 at left and right both open This opening amount is a Cloth opening amount b a 3 Use calipers to measure a at both left and right 4 Turn off the power for the sewing machine The gap a will become wider This opening amount is b 5 Lower the work clamps and then use calipers to measure b at both left and right Cloth opening ...

Page 104: ...thread feeding amount It is necessary for enough of an upper thread feeding amount to be maintained so that the amount of upper thread is sufficient for stitches to be formed accurately at the sewing start NOTE The thread take up lever 1 operates at the same time as sewing ends and it stops operating at the same time as the feed base starts moving when the start switch is pressed More thread Less ...

Page 105: ...er shaft pulley and check the condition of the lower thread If adjustment is necessary 3 Turn off the power and then tilt back the machine head 4 Loosen the two screws 1 and then move lower thread guide C 2 in the direction of the arrow to adjust If it is moved to the right the lower thread feeding amount will increase and if it is moved to the left the amount will decrease 5 Once adjustment is co...

Page 106: ... and the needle to 0 1 0 4 mm 3 Turn the upper shaft pulley to set the needle to its highest position needle up stop position at the outside sewing position 4 Loose the screw 4 and then adjust the position of the upper movable knife 1 so that it is in between the throat plate 5 and spreader L 6 without touching either of them 5 Move the upper movable knife 1 sideways by hand and check that it does...

Page 107: ... when it is at the maximum zigzag width for the outside sewing position 1 Loosen the nut 1 2 Turn the screw 2 to adjust a in the illustration to 12 mm 3 Turn the looper base 3 and check that the thread trimmer lever bracket 4 moves underneath the thread trimmer hammer 5 without obstructing any other parts 4 Once adjustment is complete securely tighten the screw 2 Seen from the front 0545B 0546B ...

Page 108: ...nife 4 3 Install the new movable knife and then tighten the three screws 3 Fixed knife replacement 4 Remove the two screws 5 and then remove the fixed knife 6 5 Install the new fixed knife 6 fixed knife plate spring 7 fixed knife plate spring U 8 and thread guide plate 9 on top of each other in that order and then tighten the two screws 5 After replacing the knives carry out the adjustments from 9...

Page 109: ... knife 3 and the movable knife 4 first start touching is immediately above the mark 5 4 Once adjustment is complete securely tighten the two screws 2 9 25 3 Adjusting the meshing amount 1 Turn the thread trimmer link lever 1 in the direction of the arrow until it touches the screw 2 2 Loosen the socket bolt 3 3 Adjust the position of the thread trimmer arm 7 so that the tip of the fixed knife 6 is...

Page 110: ...two screws 5 and then move the thread nipper assembly 3 along the dotted line A in the illustration in the direction of the arrow B to adjust Adjust so that the gap a between the thread nipper assembly 3 and the thread handler 7 is as narrow as possible without the two parts touching when the thread trimmer arm 6 is turned in the direction of the arrow C NOTE If the gap a is too wide problems with...

Page 111: ...uld open by 0 3 mm or more when the thread nipper opener 4 pushes down on the opener pin 10 b Thread nipper D 1 should close immediately before the thread is trimmed 0 3 mm or more c Thread nipper D 1 should not open when the thread trimmer arm 6 returns after thread trimming so that the thread nipper opener 4 returns without going over the opener pin 10 3 Once adjustment is complete securely tigh...

Page 112: ...nt method If this adjustment is carried out in manual mode the lower thread trimming operation can be checked step by step which will make adjustment easier 1 Use the parameter settings to set the stitch pitch to 2 0 mm and reduce the total number of stitches Refer to 5 3 Program setting method 2 In manual mode depress the start switch and then turn the upper shaft pulley to sew manually as far as...

Page 113: ...all the shoulder screw 4 5 Adjust the cutting pressure see below and then tighten the nut 3 6 Install work clamp plate U 2 9 26 2 Adjusting the cutting pressure Adjust the cutting pressure to the minimum pressure at which thread trimming can be carried out cleanly 1 Loosen the nut 1 2 Turn the shoulder screw 2 to adjust the cutting pressure NOTE If the shoulder screw 2 is tightened as far as it wi...

Page 114: ...Turn the movable knife driving plate 4 so that the tip A of movable knife R 3 and the corner C of the needle plate 2 are aligned 4 Turn thread trimmer lever arm B 7 until the thread trimmer link lever J assembly 5 touches against the screw 6 and then tighten the screw 1 5 Once adjustment is complete install work clamp plate U NOTE Check that the movable knife driving plate 4 and thread trimmer lev...

Page 115: ...clamp ensures that the material does not move during thread trimming in order to maintain a stable thread length after trimming 1 Loosen the socket bolt 1 2 Adjust the installation position of the auxiliary clamp 4 with respect to the article being sewn so that the button clamp 2 moves above the needle plate 3 3 Once adjustment is complete securely tighten the socket bolt 1 0530B ...

Page 116: ...rns back from 180 degrees to 0 degrees after the gimp has been trimmed gimp thread guide C J 2 pulls the gimp to make it come out Adjustment of the gimp trailing length is necessary in the following cases When the sewing length has been changed the gimp is trimmed at the feed base home position so the length of b will change As a result the gimp trailing length a will also change When the type of ...

Page 117: ...roove 3 in the throat plate 2 2 Check that the lower thread presser 1 does not cover the groove at the front of the throat plate 2 If the groove is covered loosen the nut 5 and then turn the screw 6 to adjust 3 Check that the front of the throat plate 2 and the lower thread presser 1 are overlapping by 0 5 1 0 mm after thread trimmer lever bracket B 7 has operated If adjustment is required remove ...

Page 118: ... have the following option parts ready Ref No Code Qty Part name 34 SA9132001 1 Auxiliary clamp L assembly 9 10 SA5683001 2 Air hose outer dia 4 mm inner dia 2 5 mm length 750 mm Be sure to remove the stickers A before using the air hoses 9 and 10 Top 1 Stop the air and then bleed the air Refer to 3 16 Adjusting the air pressure 2 Remove the feed base unit 1 from the bed Refer to 5 3 Feed mechanis...

Page 119: ...ut the shaft 12 8 Insert the shaft 12 into the auxiliary clamp S holder 13 in the direction shown in the illustration and then install retaining ring C 11 9 Set the joint 14 and the cylinder rod 15 so that they are facing as shown in the illustration Top Bottom 10 Insert the shaft 16 of the auxiliary clamp connecting rod into the hole in the feed base and then install retaining ring C 6 11 Tighten...

Page 120: ...g the four bead bands 17 as shown in the illustration Work clamp plate R assembly Viewed from the underside 14 Loosen the socket bolt 18 and then remove the auxiliary clamp assembly 19 15 Remove the spring 20 16 Remove retaining ring C 21 and then remove the auxiliary clamp arm 22 17 Remove retaining ring C 23 loosen the two set screws 24 and then remove clamp fulcrum shaft J 25 in the direction o...

Page 121: ...nd then install retaining ring C 21 21 Tighten the two set screws 27 so that the clearance between the clamp shaft holder 29 and clamp lever L 30 is 2 5 r 0 5 mm Check that the sides of work clamp L 31 and needle plate L 32 are aligned at this time If they are not aligned loosen the socket bolt 33 and adjust 22 Install the auxiliary clamp L assembly 34 to the auxiliary clamp arm 22 and then secure...

Page 122: ...hen install retaining ring C 23 25 Tighten the two set screws 24 so that the clearance between the clamp shaft holder 36 and clamp lever R 37 is 2 5 r 0 5 mm Check that the sides of work clamp R 38 and needle plate R 39 are aligned at this time If they are not aligned loosen the socket bolt 40 and adjust 1606B Viewed from the underside ...

Page 123: ...he fully tightened position 3 After adjusting tighten the fixing nut 1 to secure the throttle valve adjusting screw 2 so that it cannot turn If the throttle valve adjusting screw 2 is not adjusted correctly the following problems will occur No of turns of throttle valve adjusting screw 2 Problem If loosened by more than eight turns The amount of air flowing to the venturi tube will be reduced and ...

Page 124: ...ghtened fully loosen the throttle valve adjusting screw 2 while referring to the Guide to adjustment below 3 After adjusting tighten the fixing nut 1 to secure the throttle valve adjusting screw 2 so that it cannot turn Guide to adjustment Valve No of turns of throttle valve adjusting screw Problem If loosened by more than nine turns Operation will become faster but if it becomes too fast shocks w...

Page 125: ...ll become smaller and the amount of play in the material will increase 2 The lower thread trimming mechanism will not operate Thread trimming will become unstable because of the way the mechanism operates so the mechanism will be set to be disabled 3 The only material setting position available is Front The Back setting position would result in the lower thread and gimp getting caught on the threa...

Page 126: ...start switch so that it turns off 14 16 E025 Start switch was depressed after the power was turned on or connection of start switch is defective Turn off the power and check if the start switch is pressed If the start switch is not being pressed check the switch connector P6 at the main P C board 14 16 19 E034 Work clamp switch is being pressed Release the work clamp switch so that it turns off 14...

Page 127: ...nizer connector P5 at the power supply motor P C board 20 E132 Problem detected with sewing machine motor operation Turn off the power and then turn the upper shaft pulley and check if the sewing machine has locked up Check that the upper shaft motor connector P4 and synchronizer connector P5 are connected at the power supply motor P C board 20 E133 Sewing machine motor stopping position is incorr...

Page 128: ...ed Problem with Y feed motor or poor Y home position sensor connection Turn off the power and then check that the Y feed motor connector P8 is connected at the PMD P C board and that the Y pulse motor encoder connector P4 and sensor connector P8 are connected at the main P C board 19 20 E211 Y feed motor stopped due to a problem Turn off the power and then check if there are any problems in the Y ...

Page 129: ...ain P C board and power supply motor P C board detected Turn off the power and then check that connector P17 on the main P C board and connector P6 on the power supply motor P C board are properly connected 120 E420 No CF card is inserted No messages are displayed Turn off the power and then insert a CF card into the CF card slot of the control box E422 Error occurred while reading CF card Check t...

Page 130: ...or is faulty Turn off the power and then check that the hammer valve harness connector and hammer position sensor connector are inserted at the main P C board 19 E651 Hammer is not lowered or hammer position sensor is faulty Turn off the power and then check that the hammer valve harness connector and hammer position sensor connector are inserted at the main P C board 19 P C board related errors I...

Page 131: ...ble for the needle 55 Needle and looper adjustment is incorrect Adjust the clearance between the needle and looper the needle bar height or the looper and spreader height 71 78 79 Needle looper spreader throat plate or thread path is damaged Repair or replace the respective part s Thread breaks Thread is not threaded correctly Thread the thread correctly 31 34 Upper thread tension is too strong or...

Page 132: ...e because air pressure is too weak Adjust the air pressure 25 Movable knife position is incorrect Adjust the position of the movable knife or the thread handler 100 103 105 Lower thread is not cut Cutting pressure for lower thread trimming is too weak Adjust to an appropriate cutting pressure 100 104 Lower thread is not being held Adjust the lower thread nipper 01 specifications or the lower threa...

Page 133: ...MEMO RH 9820 124 ...

Page 134: ...INSTRUCTION MANUAL 15 1 Naeshiro cho Mizuho ku Nagoya 467 8561 Japan Phone 81 52 824 2177 2006 2008 Brother Industries Ltd All Rights Reserved RH 9820 SA7887 201 E 2008 01 B 1 http www brother com ...

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Brother RH-9820, Instruction Manual

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