Yamato BT43 Instruction Manual Download

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BT43

MANUAL BACK-TACKING DEVICE

AZ7000SD-8, AZ8000SD-8, AZF8000G class

Thank you for purchasing BT43.

For properly

your BT43, please read over this manual and the manual for sewing machine

together to fully understand their contents.
Af ter reading the instruction manual, please keep it in a location where it is easily acces-
sible to the operator.

Parts List

Instruction Manual

Summary of Contents for BT43

Page 1: ...chasing BT43 For properly your BT43 please read over this manual and the manual for sewing machine together to fully understand their contents After reading the instruction manual please keep it in a...

Page 2: ...l panel 11 3 3 Adjustment at beginning of sewing 12 3 3 1 Tension releaser adjustment at beginning of sewing 12 3 3 2 Stitch plate tongue adjustment at beginning of sewing 12 3 4 Adjustment at end of...

Page 3: ...l we have made our best efforts for making it free of any error or omission If any error or omission should yet be found it might not be rectified immediately Attention This instruction manual is desi...

Page 4: ...ith our con ventional machines This BT43 device is applied to mesh materials and prevents malfunctions during operation This BT43 device improves usability of the machine because of making the length...

Page 5: ...one See Table 1 Change also the fuse and the voltage panel to ones applicable to the power supply voltage referring to Tables 1 and 2 Before operation check that the power supply voltage used is the s...

Page 6: ...3 AZ SD AZF G BT43 2 2 Control box installation Fig 2 2 2 Installation 20 70 control box 280 Install the control box under the table with the wood screws referring to Fig 2 2 operator...

Page 7: ...unit fuse intermediate cable 4P white rotation detector unit 2P blue tension releaser solenoid 3P white fabric detection sensor 2P white stitch plate tongue solenoid ground wire to stitch plate tongue...

Page 8: ...side is connected as shown in Fig 2 4 brown green yellow Use always a fuse applicable to the capacity of the power voltage used referring to Table 3 Even if the glass tube for the fuse has the same si...

Page 9: ...screws and rotate the machine pulley clockwise while taking care not to move the synchronizer 6 When the upper looper is at the extreme left tighten the screws securely 7 Run the machine again and che...

Page 10: ...ps by external input signal and outputs signal for the presser foot lifter 1 Install the regulator and the solenoid valve on the proper position under the machine table 2 Set the air cylinder on the r...

Page 11: ...2 Air piping Refer to Fig 2 10 to connect the air tubes Cut the tubes properly for the connection Set the regulator at 0 2 to 0 4 MPa 2 Installation presser foot lifter cylinder 4 2 5 4 2 5 solenoid v...

Page 12: ...to 0V GND or circuit ground The name differs depending on the manufacturer to motor stop signal and presser foot lifter Note Some manufacturers use the same connector for the input and output signals...

Page 13: ...ng the thread chain to the front Pull the thread chain from the left to the right along the cloth plate Then the thread chain cutter cuts the thread chain and holds the remaining portion Repeat Steps...

Page 14: ...ey This is for decreasing the set value MODE key This is for changing the selected mode CLOCK lamp This is lighted by detection of the machine s rotation This blinks two times for each rotation START...

Page 15: ...y pressing the and keys so that the stitch plate tongue sticks out when the sensor detects the material end and the material reaches the needle holes Two counts indicate one stitch 1 Press the MODE ke...

Page 16: ...eleaser changes the thread chain seam condition to the plain sewing seam condition when the sensor detects the material end and the material reaches the needle holes Two counts indicate one stitch 1 P...

Page 17: ...h the and keys so that the device detects the material end correctly 5 Turn the power OFF When sewing normal materials other than mesh materi als return the value to 0 Fig 3 10 lighted By using the au...

Page 18: ...presser foot lowering lighted 1 Turn the power OFF 2 While pressing the and keys at the same time turn the power ON 3 Press the MODE key several times to light the START END and TENSION lamps 4 With t...

Page 19: ...the thread chain into a seam beautifully 1 Turn the thread chain presser plate in the arrow direction with raising it slightly See Fig 4 2 2 Loosen the screw If the knife does not move at this moment...

Page 20: ...screws and turn the solenoid cover in the arrow direction 2 Loosen the screws and remove the solenoid 3 Adjust the lower looper 4 Insert the pin screw into the hole of the stitch plate tongue and rein...

Page 21: ...te tongue Increase each count at the beginning of sewing so that the stitch plate tongue or the tension releaser functions when materials come at the needle drop 3 3 The thread tension at the beginnin...

Page 22: ...e noid can be tested either lamp lighted This is to reset the memory to the condition at shipment 1 Turn the power OFF 2 While pressing the and keys turn the power ON 3 Press the MODE key several time...

Page 23: ...P N 9730110 P I No 4 Edited in 2011 8 BT43 AZ G Printed in Japan 2011 8 1H Y 4 4 1 2 NISHITENMA KITA KU OSAKA JAPAN 530 0047 TEL 81 6 6364 5621 FAX 81 6 6364 71 85 4 4 T EL F A X...

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Yamato BT43, Instruction Manual

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