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Brother International BAS-326G Instruction Manual - English - Page 66

Adjusting the needle bar height, 10-6. Adjusting the needle contact pressure of the driver

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10. STANDARD ADJUSTMENTS 10-4. Adjusting the needle bar height 2552Q 2266B Turn the pulley in the direction of the arrow to move the needle bar to the lowest position. Then remove the rubber plug (2), loosen the screw (3) and then move the needle bar up or down to adjust so that the second reference line from the bottom of the needle bar (reference line A) is aligned with the lower edge of the needle bar bush (1). * If using a DP X 5 needle, use the highest reference line (reference line a). 10-5. Adjusting the needle bar lift amount Needle center Rotary hook tip 2554Q 0135Q 4993Q Turn the pulley in the direction of the arrow to raise the needle bar from the lowest position until the lowest reference line on the needle bar (reference line B) is aligned with the lower edge of the needle bar bush (1), and then loosen the bolt (2) and move the driver (3) so that the tip of the rotary hook is aligned with the center of the needle. * If using a DP X 5 needle, use the second reference line from the top of the needle bar (reference line b). 10-6. Adjusting the needle contact pressure of the driver Needle center Rotary hook tip 0135Q 2980B 5227Q Turn the pulley in the direction of the arrow to align the tip of the rotary hook with the center of the needle, and then loosen the set screw (2) and turn the eccentric shaft (3) to adjust so that the driver (1) is touching the needle. NOTE: If the driver (1) crosses the needle more than necessary, it will place a load on the needle, or it may cause poor thread tension. Furthermore, if it does not cross the needle at all, the tip of the rotary hook will interfere with the needle and skipped stitches may occur. 57 BAS-300G, BAS-311G, BAS-326G

Section	Page
COVER	1
SAFETY INSTRUCTIONS	3
[1] Safety indications and their meanings	3
[2] Notes on safety	4
[3] Warning labels	6
CONTENTS	8
1. NAMES OF MAJOR PARTS	10
2. SPECIFICATIONS	11
3. INSTALLATION	12
3-1. Table processing diagram	13
3-2. Installing the control box	14
3-3. Installing the oil pan	14
3-4. Installing the machine head	15
3-5. Tilting the sewing machine head	18
3-6. Installing the operation panel	19
3-7. Installing the treadle unit (motor-driven work clamp specifications)	20
3-8. Installing the two-pedal foot switch (pneumatic work clamp specifications)	20
3-9. Connecting the cords	21
3-10. Connecting the ground wire	23
3-11. Connecting the power cord	24
3-12. Installing the cotton stand	24
3-13. Installing the pneumatic unit (pneumatic work clamp specifications)	25
3-14. Installing the eye guard	26
3-15. Installing the motor cover	26
3-16. Lubrication	27
3-17. Installing the machine head fixing bolt	28
4. PREPARATION BEFORE SEWING	29
4-1. Installing the needle	29
4-2. Threading the upper thread	29
4-3. Winding the lower thread	31
4-4. Installing the bobbin case	32
4-5. Thread tension	33
4-5-1. Lower thread tension	33
4-5-2. Upper thread tension	33
4-6. Home position detection	34
5. USING THE OPERATION PANEL (BASIC OPERATIONS)	35
5-1. Name and function of each operation panel item	35
5-2. Loading sewing data	37
5-3. Setting the program number	37
5-4. Setting the X-scale and Y-scale	38
5-5. Setting the sewing speed	38
5-6. Checking the sewing pattern	39
5-7. Setting the work clamp lift amount	40
6. USING THE OPERATION PANEL (ADVANCED OPERATIONS)	42
6-1. List of advanced functions	42
6-2. Setting memory switches	43
6-3. List of memory switch settings	44
6-4. Using the lower thread counter	45
6-5. Using the production counter	46
6-6. Setting the split number	47
6-7. Using user programs	48
6-8. Using cycle programs	51
6-9. Direct selection (combination table)	53
6-10. X and Y parallel movement of sewing pattern	54
6-11. Clearing memory data (reinitialization)	55
7. USING CF CARDS	56
7-1. Notes on handling CF cards (sold separately)	56
7-2. Structure of a CF card folder	56
7-3. Data read/write mode	57
7-3-1. Reading all sewing data from the CF card at once	58
7-3-2. Writing all sewing data to the CF card at once	59
8. SEWING	60
8-1. Sewing	60
8-2. Using the STOP switch	61
8-3. Using the thread wiper switch	61
9. CLEANING	62
9-1. Cleaning the rotary hook	62
9-2. Cleaning the control box air inlet ports	63
9-3. Draining the oil	63
9-4. Cleaning the eye guard	63
9-5. Checking the needle	63
9-6. Lubrication	63
10. STANDARD ADJUSTMENTS	64
10-1. Checking the machine head switch	64
10-2. Thread take-up spring	65
10-3. Arm thread guide R	65
10-4. Adjusting the needle bar height	66
10-5. Adjusting the needle bar lift amount	66
10-6. Adjusting the needle contact pressure of the driver	66
10-7. Adjusting the needle clearance	67
10-8. Adjusting the shuttle race thread guide	67
10-9. Rotary hook lubrication amount	67
10-10. Adjusting the position of the movable knife	68
10-11. Replacing the movable and fixed knives	70
10-11-1. Installing the feed plate	71
10-12. Adjusting the thread wiper	72
10-13. Presser foot installation position	72
10-14. Changing the intermittent stroke	73
10-15. Adjusting the work clamp lift amount	75
10-16. Adjusting the air pressure (pneumatic work clamp specifications)	75
11. TABLE OF ERROR CODES	76
12. TROUBLESHOOTING	80
13. 7-SEGMENT DISPLAY	83

Match case Limit results 1 per page

10. STANDARD ADJUSTMENTS

BAS-300G, BAS-311G, BAS-326G

10-4. Adjusting the needle bar height

Turn the pulley in the direction of the arrow to move the needle bar to the lowest position. Then remove the rubber plug (2),

loosen the screw (3) and then move the needle bar up or down to adjust so that the second reference line from the bottom

of the needle bar (reference line A) is aligned with the lower edge of the needle bar bush (1).

If using a DP X 5 needle, use the highest reference line (reference line a).

10-5. Adjusting the needle bar lift amount

Turn the pulley in the direction of the arrow to raise the needle bar from the lowest position until the lowest reference line on

the needle bar (reference line B) is aligned with the lower edge of the needle bar bush (1), and then loosen the bolt (2) and

move the driver (3) so that the tip of the rotary hook is aligned with the center of the needle.

If using a DP X 5 needle, use the second reference line from the top of the needle bar (reference line b).

10-6. Adjusting the needle contact pressure of the driver

Turn the pulley in the direction of the arrow to align the tip of the rotary hook with the center of the needle, and then loosen

the set screw (2) and turn the eccentric shaft (3) to adjust so that the driver (1) is touching the needle.

NOTE:

If the driver (1) crosses the needle more than necessary, it will place a load on the needle, or it may cause poor thread

tension. Furthermore, if it does not cross the needle at all, the tip of the rotary hook will interfere with the needle and

skipped stitches may occur.

2552Q

2266B

2554Q

4993Q

2980B

Needle center

Rotary hook tip

0135Q

Needle center

Rotary hook tip

5227Q

0135Q