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Brother International BAS-705 Instruction Manual - English - Page 64

Adjusting the looseness of the belt loops

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6. STANDARD ADJUSTMENT (MECHANISMS) 6-3-5. Adjusting the air pressure for cleaning away belt scraps (during V cutting) * Adjust the air pressure using the air adjusting lever.If it is parallel to the air tubes, the air pressure will be greatest, and if it is turned either way from this position, the air pressure will become less. * Make the air pressure strong enough so that the belt loop joints are disposed of properly. 6-4. Adjusting the looseness of the belt loops 1. Loosen the two bolts w of the loop hold plate q , w and then move the loop hold plate q in the direc- tion of the arrows to adjust the looseness. * If the loop hold plate is raised ... looseness increases * If the loop hold plate is lowered ... looseness de creases increases e q 2. After adjusting, tighten the two bolts w of the loop hold plate q . decreases NOTE: Install so that the contact surface of the belt loops e is parallel to the surface which lays the belt loops e onto the loop presser. ʕ61ʕ B A S -705

Section	Page
Go to Instruction Manual Top Page	1
1. PART NAMES AND SPECIFICATIONS	4
1-1. Part names	4
1-2. Specifications	4
1-3.Program list	5
2. PREPARATION	6
2-1. Installing the machine	6
2-2.Removing the machine head fixing bolt	7
2-3.Removing the BM support slide shaft fixing screw	7
2-4.Installing the auxiliary legs	8
2-5. Checking the loop cutting	8
2-6. Lubrication	9
2-7.Installing the cotton stand	10
2-8.Using the air unit	11
2-9.Pulley rotation direction	11
2-10. Threading belt loop	12
2-11. Detal on standard data settings	13
2-12. Checking the sewing data	13
2-13. Initializing the sewing data	14
3. PANEL OPERATION	15
3-1. Explanation of panel	15
3-2.Data setting methods	16
4. SEWING	27
4-1. Replacing needle	27
4-2. Threading the upper thread	28
4-3 Winding bobbin thread	29
4-4. Replacing the bobbin case and threading the thread	30
4-5. Sewing conditions and thread tension	31
4-6. Trial sewing	33
4-7. Automatic sewing	35
5. STANDARD ADJUSTMENT（MACHINE HEAD）	38
5-1. Tilting back the machine head	38
5-2. Adjusting the needle bar height	39
5-3. Needle bar lift stroke adjustment	40
5-4. Shuttle driver needle contact adjustment	41
5-5. Needle to shuttle hook point gap adjustment	42
5-6. Adjusting the shuttle hook thread guide	43
5-7. Adjusting the movable knife	43
5-8. Adjusting the thread wiper	48
5-9. Adjusting the width between the needles	49
6. STANDARD ADJUSTMENT (MECHANISMS)	51
6-1. Adjustments required when the belt loop length is changed	52
6-2. Adjustments required when the belt loop width is changed	55
6-3. Adjustments required when the belt loop thickness is changed	58
6-4. Adjusting the looseness of the belt loops	64
6-5. Adjusting the folding margin	65
6-6. Adjusting the folding	66
6-7. Changing the loop cutting shape (V cut or flat cut)	67
6-8. Replacing the movable knife and fixed knife	68
6-9. Adjusting the belt loop and presser foot height	68
7. MAINTENANCE AND INSPECTION	69
7-1.Cleaning the rotary hook	69
7-2.Lubrication	69
7-3.Draining the oil	70
7-4.Cleaning the eye guard	70
7-5.Checking the needle	70
7-6.Cleaning the machine pulley	70
8. DIP SWITCH	71
8-1.Panel DIP switch functions	71
8-2.Main circuit board DIP switch functions	73
9. ERROR CODES	74
10. TROUBLESHOOTING	77
10-1. Machine Head	77
10-2. Mechanisms	82
11. OPTIONS	85
11-1. Hand set switch unit	85
11-2. Upper thread breakage detector assembly	86
11-3. Belt loop slackener	87
11-4. Loop setting sensor	88