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Brother International S-7220B Manual

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S-7220B INSTRUCTION MANUAL Please read this manual before using the machine. Please keep this manual within easy reach for quick reference. SINGLE NEEDLE DIRECT DRIVE NEEDLE FEED LOCK STITCHER WITH THREAD TRIMMER

Section	Page
COVER	1
SAFETY INSTRUCTIONS	3
CONTENTS	7
1. NAMES OF MAJOR PARTS	8
2. MACHINE SPECIFICATIONS	9
3. INSTALLATION	10
3-1. Table processing diagram	11
3-2. Installation	11
3-3. Lubrication	15
3-4. Connecting the cords	16
3-4-1. Opening the control box cover	16
3-4-2. Connecting the cords	16
3-5. Test operation (Operating the treadle)	19
4. PREPARATION BEFORE SEWING	20
4-1. Installing the needle	20
4-2. Removing the bobbin case	20
4-3. Winding the lower thread	21
4-4. Installing the bobbin case	21
4-5. Threading the upper thread	22
4-6. Adjusting the stitch length	22
4-7. Using the thread wiper	23
4-8. Using the knee lifter	23
5. USING THE OPERATION PANEL (BASIC OPERATIONS)	24
5-1. Names and functions	24
5-2. Sewing start and end backtack stitches	26
5-3. Sewing continuous backtack stitches	27
5-4. Sewing fixed stitches	28
5-5. Sewing name labels	29
5-6. Sewing pleat presser stitches	30
5-7. Using the lower thread counter	31
6. USING THE OPERATION PANEL (ADVANCED OPERATIONS)	32
6-1. Names and functions	32
6-2. Adjusting the needle up stop position	33
6-3. LOCK key	33
6-4. Resetting all settings to their defaults	33
7. USING THE CONTROL BOX PANEL (BASIC OPERATIONS)	34
7-1. Names and functions	34
7-2. Sewing start and end backtacking and continuous backtacking and	35
8. USING THE CONTROL BOX PANEL (ADVANCED OPERATIONS)	39
8-1. Before setting any functions	39
8-2. Changing the needle stop position	39
8-3. Slow start	40
8-4. Correction sewing	40
8-5. Initialization method	40
8-6. Setting the needle up stop position and needle down stop position	41
9. SEWING	42
9-1. Sewing	42
9-2. Backtacking	42
9-3. Sewing condensed stitches	43
10. THREAD TENSION	44
10-1. Adjusting the thread tension	44
10-2. Adjusting the presser foot pressure	45
10-3. Adjusting the trailing length after thread trimming	45
11. CLEANING	46
11-1. Daily cleaning procedures	46
11-2. Applying grease [When “GrEASEUP” appears…when using the operation panel]	49
11-3. Applying grease [When “GU” appears ... when using the control box panel]	51
12. ADJUSTING THE ROTARY HOOK LUBRICATION	53
13. STANDARD ADJUSTMENTS	54
13-1. Adjusting the actuator position	54
13-2. Adjusting the safety switch position	55
13-3. Adjusting the thread take-up spring	56
13-4. Adjusting arm thread guide R	57
13-5. Adjusting the presser foot height	57
13-6. Adjusting of the feed dog height	58
13-7. Adjusting the feed dog angle	59
13-8. Adjusting the needle bar height	60
13-9. Adjusting the needle and feed mechanism timing	61
13-10. Adjusting the needle and rotary hook timing	62
13-11. Adjusting the treadle	63
13-12. Adjusting the presser foot floating amount (minute lifting amount)	63
14. TROUBLESHOOTING	64
14-1. Sewing	64
14-2. Error code displays	69

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S-7220B

Please read this manual before using the machine.

Please keep this manual within easy reach for quick reference.

SINGLE NEEDLE DIRECT DRIVE NEEDLE FEED LOCK STITCHER

WITH THREAD TRIMMER

INSTRUCTION MANUAL