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Brother International BAS-342G Instruction Manual - English - Page 21

Connecting the cords [8], INSTALLATION, <Main P.C. board&gt

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4-13. Connecting the cords [8] NOTE: • Check that the connector is facing the correct way, and then insert it firmly until it locks into place. • Secure the cables with cable ties and cord clamps, while being careful not to pull on the connector. * Be sure to make the ground connection. (Refer to "4-14. Connecting the ground".) 4. INSTALLATION 1. Remove the cover of the control box. 2. Loosen the two screws (1), and then open the cord presser plate (2) in the direction of the arrow. 3. Pass the bundle of cords from the machine head through the hole in the table, and then pass it through the hole in the control box together with the following cords. • Tow-pedal foot switch (3) • Operation panel (Do not pass the ground wires through the hole.) • Solenoid valve assembly 4. Securely connect the connectors as indicated in the table below. 3977M Lock the cord clamp securely. 3978M Connector X pulse motor encoder 5-pin white Y pulse motor encoder 5-pin blue Intermittent presser foot pulse motor encoder 5-pin black Foot switch 10-pin Operation panel 8-pin Safety switch 3-pin Home position sensor assembly 12-pin STOP switch 6-pin Valve harness 12-pin Programmer relay harness 8-pin Fan 6-pin BAS-342G Connection location on main P.C. board P20 (X-ENC) P4 (Y-ENC) P5 (P-ENC) P6 (FOOT) P1 (PANEL) P9 (HEAD-SW) P8 (SENSOR1) P13 (HEAD) P12 (AIR1) P7 (PRG) P10 (SENSOR2) Cord clamp (3) (3) (3) (3) (3) (4) (4) (4) (4) (3) (4) (Continued on next page) 12

Section	Page
COVER	1
SAFETY INSTRUCTIONS	3
CONTENTS	8
1. NAMES OF MAJOR PARTS	10
2. SPECIFICATIONS	11
3. TABLE PROCESSING DIAGRAM	12
4. INSTALLATION	13
4-1. Removing the machine head fixing bolts [1]	13
4-2. Installing the control box [2]	14
4-3. Installing the oil pan and support lever base	15
4-4. Installing the machine head	15
4-5. Tilting back and returning the machine head	16
4-6. Installing the gas spring	17
4-7. Installing the operation panel [3]	18
4-8. Installing the solenoid valve assembly	19
4-9. Connecting the air tubes [4]	19
4-10. Installing the air hose [5]	19
4-11. Adjusting the air pressure [6]	20
4-12. Adjusting the speed controller [7]	20
4-13. Connecting the cords [8]	21
4-14. Connecting the ground wire [9]	23
4-15. Securing the cords and air tubes [10]	24
4-16. Installing the eye guard [11]	25
4-17. Installing the cotton stand [12]	25
4-18. Lubrication [13]	26
4-19. Connecting the power cord [14]	27
4-20. Checking the safety switch [15]	27
5. PREPARATION BEFORE SEWING	28
5-1. Installing the needle	28
5-2. Operating the 2-pedal foot switch	28
5-3. Threading the upper thread	29
5-4. Winding the lower thread	31
5-5. Installing the bobbin case	32
5-6. Thread tension	33
5-6-1. Lower thread tension	33
5-6-2. Upper thread tension	33
5-7. Home position detection	34
5-8. Setting 2-step operation for the work clamp	35
6. USING THE OPERATION PANEL (BASIC OPERATIONS)	36
6-1. Name and function of each operation panel item	36
6-2. Loading sewing data	38
6-3. Setting the program number	38
6-4. Setting the X-scale and Y-scale	39
6-5. Setting the sewing speed	39
6-6. Checking the sewing pattern	40
6-7. Setting the height of the intermittent presser foot	41
7. USING THE OPERATION PANEL (ADVANCED OPERATIONS)	42
7-1. List of advanced functions	42
7-2. Setting memory switches	43
7-3. List of memory switch settings	44
7-4. Using the lower thread counter	45
7-5. Using the production counter	46
7-6. Setting the split number	47
7-7. Using user programs	48
7-8. Using cycle programs	51
7-9. Direct selection (combination table)	53
7-10. X and Y parallel movement of sewing pattern	54
7-11. Clearing memory data (reinitialization)	55
8. USING CF CARDS	56
8-1. Notes on handling CF cards (sold separately)	56
8-2. Structure of a CF card folder	56
8-3. Data read/write mode	57
8-3-1. Reading all sewing data from the CF card at once	58
8-3-2. Writing all sewing data to the CF card at once	59
9. SEWING	60
9-1. Sewing	60
9-2. Using the STOP switch	61
9-3. Using the thread wiper switch	61
10. CLEANING	62
10-1. Cleaning the rotary hook	62
10-2. Draining the oil	62
10-3. Checking the regulator	63
10-4. Cleaning the control box air inlet ports	63
10-5. Cleaning the eye guard	63
10-6. Checking the needle	63
10-7. Lubrication	63
11. STANDARD ADJUSTMENTS	64
11-1. Adjusting the thread take-up spring	64
11-2. Adjusting arm thread guide R	65
11-3. Adjusting the needle bar height	65
11-4. Adjusting the needle bar lift amount	65
11-5. Adjusting the driver needle guard	66
11-6. Adjusting the needle clearance	66
11-7. Adjusting the shuttle race thread guide	66
11-8. Adjusting the rotary hook lubrication amount	67
11-9. Adjusting the position of the movable knife	68
11-10. Replacing the movable and fixed knives	70
11-10-1. Installing the feed plate	71
11-11. Adjusting the thread wiper	71
11-12. Presser foot installation position	72
11-13. Changing the intermittent stroke	72
11-14. Adjusting the work clamp lift amount	74
11-15. Adjusting the air pressure	74
12. TABLE OF ERROR CODES	75
13. TROUBLESHOOTING	79
14. 7-SEGMENT DISPLAY	82