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Brother International BAS-342G Instruction Manual - English - Page 23

Connecting the ground wire [9], Ground wire from operation panel

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4. INSTALLATION 4-14. Connecting the ground wire [9] CAUTION 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. (1) Ground wire from upper shaft motor harness (2) Ground wire from the machine head (3) Ground wire from operation panel (4) Ground wires from two-pedal foot switch harnesses (2 wires) NOTE: Make sure that the ground connections are secure in order to ensure safety. 3980M BAS-342G 14

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