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Brother International LK3-B438E MKII Instruction Manual - English - Page 5

Warning labels, Moving parts, may cause injury., Operate with safety devices.

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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 removed or are difficult to read, please contact your nearest Brother dealer. 1 Hazardous voltage will cause injury. Turn off main switch and wait 5 minutes before opening this cover. Hochspannung Un voltage non adapté verletzungsgefahr! provoque des blessures. Bitte schalten sie den hauptschalter aus und warten sie 5 minuten, bevor sie diese abdeckung öffnen. Eteindrel'interrupteur et attendre 5 minutes avantd' ouvrir le capot Un voltaje inadecuado puede provocar las heridas. Apagar el interruptor principal y esperar 5 minutos antes de abrir esta cubierta. 2 Safety devices Eye guard Finger guard Moving parts Thread take-up cover may cause injury. Thread take-up solenoid cover Operate with safety devices. Turn off main switch before Belt cover Motor cover, etc. threading, changing bobbin and needle, cleaning etc. 3 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. 4 Direction of operation 4 Eye guard Thread take-up solenoid cover Finger guard Thread take-up cover 2 Belt cover 3 1 Motor cover iv LK3-B438E Mark II

Section	Page
Go to Instruction Manual Top Page	1
1. NAME OF EACH PART	7
2 . SPECIFICATIONS	8
2-1 . Specifications	8
2-2 . Program list	9
3. INSTALLATION	12
3-1 . Power table	12
3-2 . Installing the motor	13
3-3 . Installing the motor pulley	13
3-4 . Installing the control box	14
3-5. Installing the rubber cushions	15
3-6 . Installing the oil pan	15
3-7 . Installing the cushions	15
3-8 . Installing the machine head	16
3-9 . Installing the head rest	16
3-10 .Installing the liquid cooling tank, optional	16
3-11 . Installing the operation panel	17
3-12 . Connecting the ground wire	17
3-13 . Connecting the cords	18
3-14 . Installing the V-belt	19
3-15 . Installing the belt cover	20
3-16. Installing the foot switch	20
3-17 . Installing the motor cover	21
3-18 . Installing the spool stand	21
3-19 . Installing the button tray	21
3-20 . Installing the eye guard	21
4. LUBRICATION	22
4-1 . Lubrication points	22
5 . OPERATION	23
5-1 . Name and function of each operation panel item	23
5-2 . Operating procedure	25
6. CHECKING THE SEWING PATTERN	26
7. CORRECT USE	27
7-1 . Selecting the needle and thread	27
7-2 . Installing the needle	27
7-3 . Threading the upper thread	27
7-4 . Winding the lower thread	28
7-5. Replacing the bobbin case and threading the thread	29
7-6 . Thread tension reference guide	29
7-7. Inserting the button	31
7-8. Adjusting the button holder	31
7-9. Adjustment by the accessory spring	31
8. SEWING	32
9 . MAINTENANCE AND INSPECTION	33
9-1 . Cleaning the rotary hook	33
9-2. Lubrication	34
9-3 . Draining the oil	35
9-4 . Cleaning the control box air inlet port	35
9-5 . Cleaning the eye guard	35
9-6 . Checking the needle	35
10 . STANDARD ADJUSTMENTS	36
10-1 . Adjusting the needle bar height	36
10-2 . Adjusting the needle bar lift amount	36
10-3 . Adjusting the driver needle guard	37
10-4 . Adjusting the needle clearance	37
10-5 . Adjusting the shuttle race thread guide	37
10-6.Adjusting the thread take-up amount	38
10-7 . Adjusting the movable knife	38
10-8 . Adjusting the button clamp lift amount	40
10-9. Adjusting the holding pressure	41
10-10. Adjusting the position of the button holder	41
10-11. Adjusting the needle up stop position	42
10-12. Adjusting the thread wiper	42
10-13. Checking the input sensor and DIP switch input	43
10-14. Checking the input voltage	44
10-15. Clearing all memory settings	44
10-16 . Moving stitch patterns	45
11. USING THE COUNTERS	46
11-1 . Using the bobbin thread counter	46
11-2 .Using the production counter	46
12. CHANGING FUNCTIONS USING THE DIP SWITCHES	47
12-1. Operation panel DIP switches	47
12-2. Setting the presser mode	47
12-3 . DIP switches inside the control box	48
12-4. Using user programs	49
13. CHANGING SPECIAL FUNCTIONS USING THE MEMORY SWITCHES	51
13-1. Using the cycle sewing function	53
14. TABLE OF ERROR CODES	55
15. GAUGE PARTS LIST	57
16. TROUBLESHOOTING	58