Page 2 - SAFETY INSTRUCTIONS; Safety indications and their meanings; Indications; DA N G E R; Symbols
RH-9800 i Thank you very much for buying a BROTHER sewing machine. Before using your new machine, please read the safetyinstructions below and the explanations given in the instruction manual. With industrial sewing machines, it is normal to carry out work while positioned directly in front of movin...
Page 3 - Notes on safety; DANGER; Environmental requirements; Installation
RH-9800 ii 2. Notes on safety DANGER Wait at least 5 minutes after turning off the power switch and disconnecting the power cord from the wall outletbefore opening the face plate of the control box. Touching areas where high voltages are present can result insevere injury. CAUTION Environmental requ...
Page 4 - CAUTION; Sewing; Cleaning
RH-9800 iii CAUTION Sewing This sewing machine should only be used byoperators who have received the necessarytraining in safe use beforehand. The sewing machine should not be used for anyapplications other than sewing. Be sure to wear protective goggles when using themachine.If goggles are not worn...
Page 5 - Warning labels
RH-9800 iv 3. Warning labels The following warning labels appear on the sewing machine.Please follow the instructions on the labels at all times when using the machine. If the labels have been removedor are difficult to read, please contact your nearest Brother dealer. Safety devices Eye guardFinger...
Page 6 - CONTENTS
CONTENTS 1. NAMES OF EACH PART ............................1 2. SPECIFICATIONS ..........................................2 2-1. Specifications .......................................................2 3. INSTALLATION .................................................3 3-1. Table processing diagram ......
Page 7 - NAMES OF EACH PART
1. NAMES OF EACH PART RH-9800 1 1. NAMES OF EACH PART (1) Front cover (2) EMERGENCY STOP switch (3) Upper shaft pulley (4) Control panel (5) Control box (6) Front panel (7) Start switch (8) Cloth presser switch (9) Foot controller (10) Power switch (11) Motor (8) (10) (9) (1) (2) (4) (7) (3) (5) 109...
Page 8 - Specifications
2. SPECIFICATIONS RH-9800 2 2. SPECIFICATIONS 2-1. Specifications Lower thread trimmer Upper thread trimmer Long type Short type -00 - - -01 - -02 - * Specification -00 -01 -02 Application Men's clothes and ladies' clothes Jeans and work clothes Sewing speed 1,000 - 2,000 rpm (100 rpm steps) Button ...
Page 10 - Installing the motor
3. INSTALLATION RH-9800 4 3-2. Installing the motor 1. Insert the three bolts (1) into the work table.2. Turn the work table upside down to make it easier to install the motor (2). 3. Align the motor (2) with the bolts (1), and then install the motor (2) to the underside of the work table withthe th...
Page 13 - -8. Installing the air unit and the valve assembly
3.INSTALLATION RH-9800 7 3-7. Installing the control box 1. Align the four bolt holes in the control box (1) with the four holes in the work table. 2. Install the control box (1) with the four bolts (2), spring washers (3) and flat washers (4) 3. Push the four caps (5) in over the top of the bolts (...
Page 14 - -9. Connecting the ground wires and the wirings
3. INSTALLATION RH-9800 8 3-9. Connecting the ground wires and the wirings 1. Connect the foot controller cable (1) and the motor cable (2) to the control box.2. Install the power switch (3) to the underside of the work table with the two screws (4).3. Clamp the foot controller cable (1) with the tw...
Page 18 - LUBRICATION
4. LUBRICATION RH-9800 12 4. LUBRICATION CAUTION Turn off the power switch before starting lubricating, otherwise the machine may operate if the start switch ispressed by mistake, which could result in injury. Be sure to wear protective goggles and gloves when handling the lubricating oil and grease...
Page 20 - -2. Changing the lower thread and gimp trimming
5. CORRECT USE RH-9800 14 5. CORRECT USE 5-1. Initializing settings The following procedure should be carried out before the sewing machine is used for the first time, and also after longperiods of non-use.If "E-59" appears on the front panel display when the power is turned on, be sure to f...
Page 21 - -3. Checking the direction of machine operation
5. CORRECT USE RH-9800 15 5-3. Checking the direction of machine operation 1. Turn the upper shaft pulley (1) toward you until the mark (A) on the pulley (1) is aligned with the notch in the cover (2).2. Press the power switch (3) to turn on the power. The power indicator will illuminate and the TRO...
Page 25 - USING THE OPERATION PANEL AND FRONT PANEL; Operation panel part names
6. USING THE OPERATION PANEL AND FRONT PANEL RH-9800 19 6. USING THE OPERATION PANEL AND FRONT PANEL 6-1. Panel button and switch names Operation panel part names Front panel part name POWER indicator (A) SPEED indicator 1127Q TROUBLE indicator RESET button Program number display window CYCLE PROGRA...
Page 29 - F. Setting the stitch pitch
6. USING THE OPERATION PANEL AND FRONT PANEL RH-9800 23 D.Setting the tacking length 1. The tacking length can be set to between 3 and 43 mm in steps of 1 mm. 2. If not adding tacking, set the tacking length to "0". If this is done, it will not be possible to set a value for theoffset. Note:...
Page 32 - correction
6. USING THE OPERATION PANEL AND FRONT PANEL RH-9800 26 P4. Setting θ 2 correction 1. The setting range is from -3 to 3 in steps of 1. * Set to a larger value if you would like to rotate the eyelet seam clockwise (when seen from thefinished side, or the reverse side when sewing). 2. Press the “up” b...
Page 36 - In automatic mode; In manual mode or in automatic mode
7. SEWING RH-9800 30 7. SEWING Make sure you know where the EMENRGENCY STOP switch is and how it is used before operating the sewingmachine. 7-1. Using the EMERGENCY STOP switch In automatic mode 1. Press the EMERGENCY STOP switch (1). * All machine operations will stop and the buzzer will sound. Th...
Page 38 - Upper thread tension
7. SEWING RH-9800 32 7-3. Adjusting the thread tension Turn off the power.Never adjust the thread tension while sewing. <Reference values> Woolen materials + wool gimps Denim (3 layers) Upper thread tension 0.9 N 1.0 N Lower thread tension 0.3 N 0.8 N Thread take-up spring tension 0.05 N 0.07N...
Page 39 - Explanation of the cutting space function
7. SEWING RH-9800 33 7-4. Needle and knife position The feed bracket is electronically controlled by means of pulse motors.It is not necessary to change the position of the knife when switching between cutting before sewing and cutting after sewing.It is not necessary to change the needle down posit...
Page 40 - Knife position compensation function
7. SEWING RH-9800 34 Knife position compensation function This function moves the knife with respect to the seam inorder to ensure that distances a and a' are equal. 1. When cutting before sewing, the difference between a and a' will change depending on the cloth openingamount. 2. Set the knife posi...
Page 41 - Counting down to zero method
7. SEWING RH-9800 35 7-5. Using the production counter The production counter is initially set to the counting up from zero method. It can display up to a maximum count of 9999.* If DIP switch No. 4 inside the front panel is set to OFF, the counting up from zero method will be used. If DIP switch No...
Page 42 - Programming procedure
7. SEWING RH-9800 36 7-6. Using a cycle program This example shows the procedure for a cycle program which runs program 1 (with the knife operating) three times andprogram 3 (with the knife not operating) once. Programming procedure 1. Press the MODE button (1) to switch to programming mode. 2. Keep...
Page 43 - -7. Setting the feed bracket to the front position
7. SEWING RH-9800 37 7-7. Setting the feed bracket to the front position Setting the material will be easier if the feed bracket is moved forward from the standard cloth setting position.* Cycle time will be reduced with this setting, particularly if cutting after sewing is selected. 1. Turn off the...
Page 46 - -12. Setting the number of home position cycles
7. SEWING RH-9800 40 7-11. Changing the cycle program counter The cycle program counter can be easily changed if necessary, for instance because re-sewing was necessary. 1. If carrying out cycle sewing in AUTO mode, switch the contents shown in the front panel display from theproduction counter to t...
Page 48 - CLEANING AND MAINTENANCE
8. CLEANING AND MAINTENANCE RH-9800 42 8. CLEANING AND MAINTENANCE CAUTION Turn off the power switch before starting any cleaning work, otherwise the machine may operate if the startswitch is pressed by mistake, which could result in injury. Be sure to wear protective goggles and gloves when handlin...
Page 49 - STANDARD ADJUSTMENTS; -1. Adjusting the height of the spreader and looper; Spreader height
9. STANDARD ADJUSTMENTS RH-9800 43 9. STANDARD ADJUSTMENTS CAUTION Maintenance and inspection of the sewingmachine should only be carried out by a qualifiedtechnician. Ask your Brother dealer or a qualified electrician tocarry out any maintenance and inspection of theelectrical system. Turn off the ...
Page 50 - -2. Adjusting the needle and looper timing
9. STANDARD ADJUSTMENTS RH-9800 44 9-2. Adjusting the needle and looper timing The distance by which the needle bar rises from its lowest position to the position where the tip of the left looper and thecenter of the needle are aligned should be the same as the distance from its lowest position to t...
Page 52 - -4. Adjusting the height of the needle bar
9. STANDARD ADJUSTMENTS RH-9800 46 9-4. Adjusting the height of the needle bar The standard height for the needle bar is 2.5 mm. (The needle bar height may need changing depending on the materialand thread being used.) 1. Align the tip of the left looper (1) with the center of the needle (2) when th...
Page 53 - -7. Adjusting the spreader mounting positions
9. STANDARD ADJUSTMENTS RH-9800 47 9-6. Adjusting the needle guard Be sure to carry out this adjustment after changing the size of the needle.The needle must remain stationary with respect to the needle guard until the tip of the looper reaches the needle. 1. Loosen the screw (1) and then move the n...
Page 55 - Changing in the cutting block operation time.
9. STANDARD ADJUSTMENTS RH-9800 49 9-10.Changing the knife cutting length (Replacing the cutting block) 1. Grind or replace the cutting block after changing the knife cutting length. * When replacing the cutting block with a new one, be sure to adjust the contact between the knife and the cutting bl...
Page 56 - -11. Adjusting the contact between the knife and the cutting block
9. STANDARD ADJUSTMENTS RH-9800 50 9-11. Adjusting the contact between the knife and the cutting block 1. Remove the cutting block. (Refer to the previous page.) 2. If the knife incision on the surface of the cutting block is very deep, if there are two or more incisions on thecutting block because ...
Page 58 - Measuring the opening amount
9. STANDARD ADJUSTMENTS RH-9800 52 9-14. Adjusting the cloth opening amount 1. Loosen the screw (1), and then insert a screwdriver into the notch in the side of the feed bracket and turn the adjusting screw (2) to adjust the opening amount. 2. After tightening the screw (1), measure the opening amou...
Page 59 - -15. Adjusting the trimming of the upper thread
9. STANDARD ADJUSTMENTS RH-9800 53 9-15. Adjusting the trimming of the upper thread The upper thread should be trimmed at the correct time after sewing is completed. <-00, -01>1. Adjust so that the upper thread trimmer knife (1) cuts only one of the threads in front of the right looper (2). No...
Page 62 - SUMMARY OF DIP SWITCHES
10. SUMMARY OF DIP SWITCHES RH-9800 56 10. SUMMARY OF DIP SWITCHES Always turn off the power supply before changing any of the DIP switch settings. 10-1. Front panel DIP switches The ON/OFF positions of the DIP switches inside the front panel are checked only once when the power is turned on.Any cha...
Page 64 - MACHINE HEAD
11. TROUBLESHOOTING RH-9800 58 11. TROUBLESHOOTING If there is a problem with operation, first check that the threads are correctly threaded and that the needle is correctlyinstalled. CAUTION Turn off the power switch and disconnect the power cord before carrying out troubleshooting, otherwise thema...
Page 66 - INSTRUCTION MANUAL
INSTRUCTION MANUAL 15-1, Naeshiro-cho, Mizuho-ku, Nagoya 467-8561, Japan. Phone: 81-52-824-2177 Printed in Japan BROTHER INDUSTRIES, LTD. 118-980 S91980-302 2001.11. H (1)