Brother T-8422A Instruction Manual

T-8421A TWIN NEEDLE DIRECT DRIVE LOCK STITCHER T-8422A TWIN NEEDLE DIRECT DRIVE LOCK STITCHER WITH THREAD TRIMMER T-8452A TWIN NEEDLE DIRECT DRIVE

T-8421A, 8422A, 8452A, 8722A, 8752A 3. INSTALLATION 43. INSTALLATION CAUTION Machine installation should only be carried out by a qualif

T-8421A, 8422A, 8452A, 8722A, 8752A 3. INSTALLATION 53-1. Table processing diagram  The top of the table should be 40 mm in thickness and should be

T-8421A, 8422A, 8452A, 8722A, 8752A 3. INSTALLATION 63. Power switch (1) Power switch (2) Screws [2 pcs] 4. Oil pan (1) Head cushion

T-8421A, 8422A, 8452A, 8722A, 8752A 3. INSTALLATION 77. Machine head (1) Hinges [2 pcs] (2) Machine head (3) Head rest NOTE: Tap the head rest (3)

T-8421A, 8422A, 8452A, 8722A, 8752A 3. INSTALLATION 810. Knee lifter plate (1) Knee lifter plate (2) Bolt * Loosen the bolt (3) and the bolt (4),

T-8421A, 8422A, 8452A, 8722A, 8752A 3. INSTALLATION 93-3. Lubrication CAUTION Do not connect the power cord until lubrication has been comple

T-8421A, 8422A, 8452A, 8722A, 8752A 3. INSTALLATION 10 Lubrication Apply 1 - 2 drops of oil to the places indicated by the arrows.

T-8421A, 8422A, 8452A, 8722A, 8752A 3. INSTALLATION 113-4. Connecting the cords DANGER Wait at least 5 minutes after turning off the power swit

T-8421A, 8422A, 8452A, 8722A, 8752A 3. INSTALLATION 12(1) 7-pin head detector unit connector (2) 10-pin operating panel connector (3) 14-pin enco

T-8421A, 8422A, 8452A, 8722A, 8752A 3. INSTALLATION 133. Other cords (1) 6-pin power supply connector (2) 4-pin motor connector (3) Wire clip (4)

T-8421A, 8422A, 8452A, 8722A, 8752A iThank you very much for buying a BROTHER sewing machine. Before using your new machine, please read the safety in

T-8421A, 8422A, 8452A, 8722A, 8752A 3. INSTALLATION 144. Ground wire (1) Ground wire (2) Screw [With washer] (3) Screw NOTE: Always be sure to co

T-8421A, 8422A, 8452A, 8722A, 8752A 3. INSTALLATION 153-5. Test operation (Operating the treadle) CAUTION Do not touch any of the moving parts

T-8421A, 8422A, 8452A, 8722A, 8752A 4. PREPARATION BEFORE SEWING 164. PREPARATION BEFORE SEWING 4-1. Installing the needle CAUTION Turn off th

T-8421A, 8422A, 8452A, 8722A, 8752A 4. PREPARATION BEFORE SEWING 174-2. Removing the bobbin CAUTION Turn off the power switch before removing

T-8421A, 8422A, 8452A, 8722A, 8752A 4. PREPARATION BEFORE SEWING 184-3. Winding the lower thread CAUTION Do not touch any of the moving parts

T-8421A, 8422A, 8452A, 8722A, 8752A 4. PREPARATION BEFORE SEWING 194-4. Installing the bobbin CAUTION Turn off the power switch before install

T-8421A, 8422A, 8452A, 8722A, 8752A 4. PREPARATION BEFORE SEWING 20<Bobbin case type> 1. Insert the bobbin (1) into the bobbin case (2) so tha

T-8421A, 8422A, 8452A, 8722A, 8752A 4. PREPARATION BEFORE SEWING 214-5. Threading the upper thread CAUTION Turn off the power switch before th

T-8421A, 8422A, 8452A, 8722A, 8752A 4. PREPARATION BEFORE SEWING 22 Do not pass th

T-8421A, 8422A, 8452A, 8722A, 8752A 4. PREPARATION BEFORE SEWING 234-6. Adjusting the stitch length 1. Unlock the stitch length dial (2) by turning

T-8421A, 8422A, 8452A, 8722A, 8752A ii2. Notes on safety DANGER Wait at least 5 minutes after turning off the power switch and disconnecting the pow

T-8421A, 8422A, 8452A, 8722A, 8752A 4. PREPARATION BEFORE SEWING 244-9. Corner sewing method (T-8452A, 8752A) NOTE: If using this machine in place o

T-8421A, 8422A, 8452A, 8722A, 8752A 5. USING THE OPERATION PANEL (BASIC OPERATIONS) 255. USING THE OPERATION PANEL (BASIC OPERATIONS) 5-1. Names a

T-8421A, 8422A, 8452A, 8722A, 8752A 5. USING THE OPERATION PANEL (BASIC OPERATIONS) 26 (6) Fixed stitch key When this key is pressed so that

T-8421A, 8422A, 8452A, 8722A, 8752A 5. USING THE OPERATION PANEL (BASIC OPERATIONS) 275-2. Sewing start and end backtack stitches 1 Set

T-8421A, 8422A, 8452A, 8722A, 8752A 5. USING THE OPERATION PANEL (BASIC OPERATIONS) 285-3. Sewing fixed stitches 1 From 1

T-8421A, 8422A, 8452A, 8722A, 8752A 5. USING THE OPERATION PANEL (BASIC OPERATIONS) 295-4. Using the lower thread counter  The lower thread count

T-8421A, 8422A, 8452A, 8722A, 8752A 6. USING THE OPERATION PANEL (ADVANCED OPERATIONS) 306. USING THE OPERATION PANEL (ADVANCED OPERATIONS) The oper

T-8421A, 8422A, 8452A, 8722A, 8752A 6. USING THE OPERATION PANEL (ADVANCED OPERATIONS) 316-2. Adjusting the needle up stop position 1. While pressin

T-8421A, 8422A, 8452A, 8722A, 8752A 7. SEWING 327. SEWING CAUTION Attach all safety devices before using the sewing machine. If the machine is

T-8421A, 8422A, 8452A, 8722A, 8752A 7. SEWING 337-2. Backtacking When the actuator (1) or the reverse lever (2) is pressed during sewing, the feed d

T-8421A, 8422A, 8452A, 8722A, 8752A iii CAUTION Sewing This sewing machine should only be used by operators who have received the necessa

T-8421A, 8422A, 8452A, 8722A, 8752A 7. SEWING 347-3. Sewing condensed stitches  If you press the actuator (1) or the reverse lever (2) while sewing

T-8421A, 8422A, 8452A, 8722A, 8752A 8. THREAD TENSION 358. THREAD TENSION 8-1. Adjusting the thread tension Good even stitches Upper thread

T-8421A, 8422A, 8452A, 8722A, 8752A 8. THREAD TENSION 368-2. Adjusting the presser foot pressure Correct stitches Upper thread Ski

T-8421A, 8422A, 8452A, 8722A, 8752A 8. THREAD TENSION 378-4. Adjusting the thread take-up amount The thread take-up amount is adjusted by how the th

T-8421A, 8422A, 8452A, 8722A, 8752A 9. CLEANING 389. CLEANING CAUTION Turn off the power switch before carrying out cleaning. The machine ma

T-8421A, 8422A, 8452A, 8722A, 8752A 9. CLEANING 39<Draining lubricating oil> 1. If the oiler (1) has filled with oil, unscrew the oiler (1) a

T-8421A, 8422A, 8452A, 8722A, 8752A 9. CLEANING 409-3. Applying grease --- When “GREASEUP” appears (Semi dry specifications) If “GREASEUP" fl

T-8421A, 8422A, 8452A, 8722A, 8752A 9. CLEANING 41<Applying grease> NOTE: ・ Use only the grease <BZL-301 (SA2694-001) in the blue tube>

T-8421A, 8422A, 8452A, 8722A, 8752A 9. CLEANING 42 <Resetting the cumulative operating time> After the gr

T-8421A, 8422A, 8452A, 8722A, 8752A 10. ADJUSTING THE ROTARY HOOK LUBRICATION AMOUNT4310. ADJUSTING THE ROTARY HOOK LUBRICATION AMOUNT CAUTION

T-8421A, 8422A, 8452A, 8722A, 8752A iv3.Warning labels The following warning labels appear on the sewing machine. Please follow the instructions on t

T-8421A, 8422A, 8452A, 8722A, 8752A 11. TROUBLESHOOTING 4411. TROUBLESHOOTING  Please check the following points before calling for repairs or serv

T-8421A, 8422A, 8452A, 8722A, 8752A 11. TROUBLESHOOTING 45 3 Skipped stitches occur while sewing  Is the needle tip bent? Is the needle tip blunt?

T-8421A, 8422A, 8452A, 8722A, 8752A 11. TROUBLESHOOTING 46 Problem Possible cause Page 5 Uneven seam  Is the presser foot pressure too weak? Adjus

T-8421A, 8422A, 8452A, 8722A, 8752A 11. TROUBLESHOOTING 47 Problem Possible cause Page 9 Upper and lower threads are breaking.  Is the needle bent

T-8421A, 8422A, 8452A, 8722A, 8752A 11. TROUBLESHOOTING 48 Problem Possible cause Page 13 Machine does not operate at high speed.  Is the sewing s

T-8421A, 8422A, 8452A, 8722A, 8752A 11. TROUBLESHOOTING 4911-2. Error code displays If an error code appears on the operation panel display 1. Make

T-8421A, 8422A, 8452A, 8722A, 8752A 11. TROUBLESHOOTING 50 Error code Possible cause Page Err 5 (Safety switch operated)  Is the machine conne

INSTRUCTION MANUAL Printed in Japan T-8421A, 8422A, 8452A , 8722A, 8752ASA2698-3012005.04.B (1) http://www.brother.com/

T-8421A, 8422A, 8452A, 8722A, 8752A CONTENTS 1. MACHINE SPECIFICATIONS... 1 2. NAMES OF MAJOR PARTS... 3 3. INSTALLATION

T-8421A, 8422A, 8452A, 8722A, 8752A 1. MACHINE SPECIFICATIONS 11. MACHINE SPECIFICATIONS 4 7 A Rotary hook Standard hook Large

T-8421A, 8422A, 8452A, 8722A, 8752A 1. MACHINE SPECIFICATIONS 2T-8421A -T3F -T33 -T03 -T05 Max. sewing speed 3,000 rpm 3,000 rpm 4,000 rpm 3,0

T-8421A, 8422A, 8452A, 8722A, 8752A 2. NAMES OF MAJOR PARTS 32. NAMES OF MAJOR PARTS (1) Bob