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Brother International BAS-375E Instruction Manual - English - Page 45

Adjusting the inner ratary hook bobbin case holder position

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Chapter 7 STANDARD ADJUSTMENTS 7. Adjusting the inner rotary hook bobbin case holder position w w e r Loosen the bolt q. Adjust the position of the rotary hook bobbin case holder w so that there is no clearance between the bottom e of the rotary hook bobbin case holder w and the machine bed r, then retighten the bolt q. Note G If the rotary hook bobbin case holder is not installed correctly, the rotary hook bobbin case holder will interfere with the rotary hook, which will damage the machine. q w w Needle center G For heavy-weight and air bag material specifications, install the rotary hook bobbin case holder so that it is as close as possible to the right of the rotary hook. G For medium-weight material specifications, instal the bobbin case holder so that the projection is at the center of the needle. BAS-364E, 366E, 370E, 375E 39

Section	Page
Go to Instruction Manual Top Page	1
PL	2
Contents	6
Chapter 1 NAME OF MAJOR PARTS	7
Chapter 2 SPECIFICATIONS	8
Chapter 3 INSTALLATION	9
1.Connecting the ground wire	9
2. Positioning	9
3. Installing the needle plates	10
4. Installing the work clamp hinge	11
5. Installing the arm motor cover	11
6. Installing the foot switch	12
7. Installing the programmer box	12
8. Installing the programmer	12
9. Installing the spool stand	13
10. Preparation of cassette	13
11. Lubrication	14
12. Draining oil	15
13. Applying grease	16
14. Adjusting the air pressure	17
Chapter 4 CORRECT OPERATION	18
1. Turning the pulley by hand	18
2. Installing the needle	18
3. Threading the upper thread	19
4. Winding the lower thread	20
5. Installing the bobbin case	21
6. Thread tension	22
7. Work clamp	23
8. Selecting intermittent feed or contimuous feed	24
Chapter 5 OPERATING PROCEDURE	25
1. Part names and functions of the operation panel	25
2. Using the floppy disk	27
3. Using the program R/W (Read/Write) switch	29
4. Using the emergency stop switch	30
5. Adjusting the sewing speed control	31
6. Changing the X-scale and Y-scale settings	31
7. Using the TEST switch (Checking the sewing pattern)	32
8. Using the STEP BACK switch	33
9. Using single split mode	34
10. Using the bobbin thread counter	35
11. Using production counter	36
12. Shifting a stitch pattern	37
Chapter 6 SEWING	38
1. Before starting sewing....	38
2. Sewing operation	39
Chapter 7 STANDARD ADJUSTMENTS	40
1. Needle and rotary hook timing	40
2. Adjusting the needle bar height	41
3. Adjusting the needle clearance	41
4. Adjusting the presser foot	42
5. Changing the presser foot lift amount	43
6. Replacing the fixed knife and movable knife	44
7. Adjusting the inner ratary hook bobbin case holder position	45
8. Checking the input voltage	46
9. Clearing all memory settings	46
Chapter 8 DEVICES	47
1. Needle thread presser	47
2. Beam sensor-type needle thread breakage detector	47
3. Two-stage thread tension mechanism (Option)	48
4. Stepping foot control mechanism	48
5. Needle cooler (Air bag specification - Option)	49
6. Installing the bottom plunger (Option)	49
7. Jig pattern sensor (Option)	50
8. Sub clamp (BAS-370E, 375E only)	51
Chapter 9 CLEANING AND INSPECTION	53
1. Rotary hook	53
2. Eye guard	53
3. Checking the needle	54
Chapter 10 DIP SWITCH	55
1. Panel DIP switch functions	55
2. DIP switches inside the control box	56
Chapter 11 CHANGING SPECIAL FUNCTIONS AND USING THE MEMORY SWITCHES	58
Chapter 12 ERROR CODE	63
Chapter 13 TROUBLESHOOTING	65
OPERATION FLOW CHART	67