Brother SN-7220 Manuel d'instructions

S-7220B Please read this manual before using the machine. Please keep this manual within easy reach for quick reference. SINGLE NEEDLE DIRECT DRIV

S-7220B 3. INSTALLATION 33. INSTALLATION CAUTION Machine installation should only be carried out by a qualified technician. Contact your

S-7220B 3. INSTALLATION43-1. Table processing diagram yThe top of the table should be 40 mm in thickness and should be strong enough to hold the we

S-7220B 3. INSTALLATION 53. Power switch (1) Power switch (2) Screws [2 pcs] 4. Oil pan (1) Head cushions (left) [2 pcs] (2) Head c

S-7220B 3. INSTALLATION67. Machine head (1) Hinges [2 pcs] (2) Machine head (3) Head rest NOTE: Tap the head rest (3) securely into the table hole

S-7220B 3. INSTALLATION 710. Cotton stand (1) Cotton stand NOTE: Securely tighten the nut (4) so that the two rubber cushions (2) and the washer (3

S-7220B 3. INSTALLATION83-3. Lubrication CAUTION Do not connect the power cord until lubrication has been completed, otherwise the machine ma

S-7220B 3. INSTALLATION 93-4. Connecting the cords DANGER Wait at least 5 minutes after turning off the power switch and disconnecting the pow

S-7220B 3. INSTALLATION10(1) 7-pin head detector unit connector (2) 10-pin operating panel connector (Models with operation panel) (3) 14-pin enco

S-7220B 3. INSTALLATION 113. Other cords (1) 6-pin power supply connector (2) 4-pin motor connector (3) Wire clip (4) Power cord <For single-ph

S-7220B 3. INSTALLATION123-5. Test operation (Operating the treadle) CAUTION Do not touch any of the moving parts or press any objects against

S-7220B Thank you very much for buying a BROTHER sewing machine. Before using your new machine, please read the safety instructions and the explanat

S-7220B 4. PREPARATION BEFORE SEWING 134. PREPARATION BEFORE SEWING 4-1. Installing the needle CAUTION Turn off the power switch before instal

S-7220B 4. PREPARATION BEFORE SEWING 144-3. Winding the lower thread CAUTION Do not touch any of the moving parts or press any objects against

S-7220B 4. PREPARATION BEFORE SEWING 154-5. Threading the upper thread CAUTION Turn off the power switch before threading the upper thread.

S-7220B 4. PREPARATION BEFORE SEWING 164-7. Using the thread wiper Press the thread wiper switch (1) to the side. If this is done, the thread wipe

S-7220B 5. USING THE OPERATION PANEL (BASIC OPERATIONS) 175. USING THE OPERATION PANEL (BASIC OPERATIONS) 5-1. Names and functions x The operatio

S-7220B 5. USING THE OPERATION PANEL (BASIC OPERATIONS) 18 (6) Fixed stitch key When this key is pressed so that the indicator illuminates, t

S-7220B 5. USING THE OPERATION PANEL (BASIC OPERATIONS) 195-2. Sewing start and end backtack stitches 1 Setting start backtack stitches

S-7220B 5. USING THE OPERATION PANEL (BASIC OPERATIONS) 205-3. Sewing continuous backtack stitches 1 Setting continuous backtack stitche

S-7220B 5. USING THE OPERATION PANEL (BASIC OPERATIONS) 215-4. Sewing fixed stitches 1 From 1 to 1999 stitches can be set

S-7220B 5. USING THE OPERATION PANEL (BASIC OPERATIONS) 225-5. Sewing name labels 1 From 1 to 1999 stitches can be set for t

S-7220B i SAFETY INSTRUCTIONS [1] Safety indications and their meanings This instruction manual and the indications and symbols that are used on the

S-7220B 5. USING THE OPERATION PANEL (BASIC OPERATIONS) 235-6. Sewing pleat presser stitches 1 From 1 to 1999 stitche

S-7220B 5. USING THE OPERATION PANEL (BASIC OPERATIONS) 245-7. Using the lower thread counter yThe lower thread counter can be used to let you know

S-7220B 6. USING THE OPERATION PANEL (ADVANCED OPERATIONS) 256. USING THE OPERATION PANEL (ADVANCED OPERATIONS) The operations described in this sec

S-7220B 6. USING THE OPERATION PANEL (ADVANCED OPERATIONS) 266-2. Adjusting the needle up stop position 1. While pressing the needle up/down key (1)

S-7220B 7. USING THE CONTROL BOX PANEL (BASIC OPERATIONS)277. USING THE CONTROL BOX PANEL (BASIC OPERATIONS) NOTE The control box panel will not o

S-7220B 7. USING THE CONTROL BOX PANEL (BASIC OPERATIONS)287-2. Sewing start and end backtacking and continuous backtacking and locking thread trimm

S-7220B 7. USING THE CONTROL BOX PANEL (BASIC OPERATIONS)29 Setting the number of stitches for start and end backtacking and continuous backtacking

S-7220B 7. USING THE CONTROL BOX PANEL (BASIC OPERATIONS)30Selecting “Thread trimming not locked” and “Thread trimming locked” 7 1. Press the st

S-7220B 7. USING THE CONTROL BOX PANEL (BASIC OPERATIONS)31<Start and end backtack sewing method> 1 Press the power switch (1) to turn on

S-7220B 8. USING THE CONTROL BOX PANEL (ADVANCED OPERATIONS)328. USING THE CONTROL BOX PANEL (ADVANCED OPERATIONS) The operations described in thi

S-7220B 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 outle

S-7220B 8. USING THE CONTROL BOX PANEL (ADVANCED OPERATIONS)338-3. Slow start The first two stitches sewn after the thread is trimmed are sewn at a

S-7220B 8. USING THE CONTROL BOX PANEL (ADVANCED OPERATIONS)348-6. Setting the needle up stop position and needle down stop position Meaning of disp

S-7220B 9. SEWING 359. SEWING CAUTION Attach all safety devices before using the sewing machine. If the machine is used without these devices

S-7220B 9. SEWING 369-3. Sewing condensed stitches yIf you press the actuator (1) or the reverse lever (2) while sewing is in progress, you can sew

S-7220B 10. THREAD TENSION 3710. THREAD TENSION 10-1. Adjusting the thread tension CAUTION Turn off the power switch before removing or insert

S-7220B 10. THREAD TENSION 3810-2. Adjusting the presser foot pressure Correct stitches Upper thread Skipped stitches occur I

S-7220B 11. CLEANING 3911. CLEANING CAUTION Turn off the power switch before carrying out cleaning. The machine may operate if the treadle i

S-7220B 11. CLEANING 402. Lubrication A. Gearbox oil quantity NOTE: yCheck the quantity of oil in the gearbox immediately after tilting back the ma

S-7220B 11. CLEANING 41B. Oil tank oil quantity Check the oil gauge window (1), and add more oil if the oil gauge (2) is below the lower reference l

S-7220B 11. CLEANING 4211-2. Applying grease [When “GrEASEUP” appears…when using the operation panel] If “GrEASEUP” flashes on the main display (1)

S-7220B iii CAUTION Sewing This sewing machine should only be used by operators who have received the necessary training in safe use befor

S-7220B 11. CLEANING 43 1. Turn the power switch to “OFF”. 2. Remove the screws. 3. Apply grease to each of t

S-7220B 11. CLEANING 4411-3. Applying grease [When “GU” appears ... when using the control box panel] DANGER Wait at least 5 minutes after turning

S-7220B 11. CLEANING 45 1. Turn the power switch to “OFF”. 2. Remove the screws. 3. Apply grease to each of the

S-7220B 12. ADJUSTING THE ROTARY HOOK LUBRICATION AMOUNT 4612. ADJUSTING THE ROTARY HOOK LUBRICATION AMOUNT CAUTION Be careful not to touch yo

S-7220B 13. STANDARD ADJUSTMENTS4713. STANDARD ADJUSTMENTS CAUTION Maintenance and inspection of the sewing machine should only be carried o

S-7220B 13. STANDARD ADJUSTMENTS 4813-2. Adjusting the safety switch position The safety switch (1) is normally installed as shown in figure [A]. Ho

S-7220B 13. STANDARD ADJUSTMENTS4913-3. Adjusting the thread take-up spring <Thread take-up spring position> The standard position of the thre

S-7220B 13. STANDARD ADJUSTMENTS 5013-4. Adjusting arm thread guide R The standard position of arm thread guide R (1) is the position where the scre

S-7220B 13. STANDARD ADJUSTMENTS5113-6. Adjusting of the feed dog height The standard height of the feed dog (1) when it is at its maximum height ab

S-7220B 13. STANDARD ADJUSTMENTS 5213-7. Adjusting the feed dog angle The standard angle is for the feed dog (1) to be parallel to the needle plate

S-7220B iv[3] Warning labels The following warning labels appear on the sewing machine. Please follow the instructions on the labels at all times whe

S-7220B 13. STANDARD ADJUSTMENTS5313-8. Adjusting the needle bar height Adjust so that the distance from needle plate mounting surface A to the bott

S-7220B 13. STANDARD ADJUSTMENTS 5413-9. Adjusting the needle and feed mechanism timing The standard timing is for the tip of the needle to be in th

S-7220B 13. STANDARD ADJUSTMENTS5513-10. Adjusting the needle and rotary hook timing When the machine pulley is turned forward to raise the needle b

S-7220B 13. STANDARD ADJUSTMENTS 5613-11. Adjusting the treadle <Forward depression sensitivity adjustment> If the machine starts running at l

S-7220B 14. TROUBLESHOOTING 5714. TROUBLESHOOTING yPlease check the following points before calling for repairs or service. yIf the following reme

S-7220B 14. TROUBLESHOOTING 58 Problem Possible cause Page 5 Skipped stitches at sewing start Thread unravelling at sewing start yIs the thread ta

S-7220B 14. TROUBLESHOOTING 59 Problem Possible cause Page 8 Lower thread is tangled at the sewing start. Spinning of bobbin during thread trimming

S-7220B 14. TROUBLESHOOTING 60 Problem Possible cause Page 12 Broken needles yIs the material being pushed or pulled with excessive force during s

S-7220B 14. TROUBLESHOOTING 61 Problem Possible cause Page 17 Nothing appears on the operation panel display. yIs the power supply connector disco

S-7220B 14. TROUBLESHOOTING 6214-2. Error code displays If an error code appears on the operation panel display 1. Make a note of the error code an

S-7220B CONTENTS 1. NAMES OF MAJOR PARTS... 1 2. MACHINE SPECIFICATIONS... 2 3. INSTALLATION...

S-7220B 14. TROUBLESHOOTING 63 Error code Possible cause Page Err 5 (Safety switch operated) yIs the machine connector inside the control box

S-7220B 14. TROUBLESHOOTING 64 Error code Possible cause Page Err 12 (Solenoid power supply error) yIs solenoid fuse F2 (5A) blown? Replace th

S-7220B 14. TROUBLESHOOTING 65 Error code Possible cause Page Err 21 (Thermistor error) yIs connector CN16 inside the control box disconnected?

S-7220B 14. TROUBLESHOOTING 66If an error code is displayed on the control box panel 1. Make a note of the error code and then turn off the power

INSTRUCTION MANUAL 15-1, Naeshiro-cho, Mizuho-ku, Nagoya 467-8561, Japan. Phone: 81-52-824-2177 © 2006 Brother Ind

S-7220B 1. NAMES OF MAJOR PARTS 11. NAMES OF MAJOR PARTS (1) Bobbin winder (2) Thread wiper (3)

S-7220B 2. MACHINE SPECIFICATIONS 22. MACHINE SPECIFICATIONS 4 Quick reverse O Thread wiper O 0 3 Lubrication type Minimum lubrication S