background image

PRODUCED BY

INDUSTRIAL SEWING MASCHINES

BM 345

Operating Instruction

Summary of Contents for GLOBAL BM 345

Page 1: ...PRODUCED BY INDUSTRIAL SEWING MASCHINES BM 345 Operating Instruction...

Page 2: ...2 From the library of Superior Sewing Machine Supply LLC www supsew com...

Page 3: ...Machine positions 13 4 Notes on usage 15 4 1 Needles and threads 15 4 2 Inserting the needles 15 4 3 Threading and thread insertion 16 4 4 Thread tension 17 4 5 Thread feeder 17 4 6 Stitch depth contr...

Page 4: ...4 From the library of Superior Sewing Machine Supply LLC www supsew com...

Page 5: ...comes to a standstill 5 General maintenance tasks may be carried out only by properly trained persons in accordance with the operating instructions 6 Repair work retrofitting and maintenance may be c...

Page 6: ...Warning instructions given in the operating instructions that pertain to special injury hazards for operating personnel or technicians must be indicated at these positions using a safety symbol It is...

Page 7: ...initial basis for descriptions The operating side of the machine is the initial basis for left right descriptions The class designation type and machine model numbers are fastened to the rear of the m...

Page 8: ...thread chain stitch blind stitch Interval 1 2 connectible Needle system STROBEL 1669 EEO Needle thickness 60 70 80 90 Needle system optional STROBEL 4669 EEO Needle thickness 65 80 90 Thread recommen...

Page 9: ...injuries Never operate the machine without the belt guards for the upper part and motor The upper component must be fastened to the provided rubber plate on the table top The belt guard must be instal...

Page 10: ...10 3 3 Direction of rotation on machine When facing the handwheel turn it in a clockwise direction Figure 1 Figure 2 From the library of Superior Sewing Machine Supply LLC www supsew com...

Page 11: ...his by manually actuating the thread trimmer Figure 4 Notes for sewing drives with more than needle positions The needle position given above is suitable for sewing at position 2 It is very important...

Page 12: ...12 3 4 Motor drive using tooth belts 3 4 1 Tension of toothed belt figure 5 Figure 5 Toothed belt tension_01 From the library of Superior Sewing Machine Supply LLC www supsew com...

Page 13: ...inner edge of the needle slide plate facing towards the inward stitch Needle position when stopped inside and outside of the stitch figure 3 Adjust the needle position so that when the machine is at...

Page 14: ...ght inner edge of the needle slide plate facing towards the outward stitch At the same time the thread loop lies under tension across the gripper The needle position is position 1 at the sewing drive...

Page 15: ...od sliding behaviour at a small thread size they are preferable to spun thread Guarantee note This machine has been configured and broken in using original Strobel needles No guarantees can be given w...

Page 16: ...reading switch off the machine and depress the motor switch pedal to ensure that the machine is truly at a standstill Figure 7 indicates the correct threading using the thread take up device Figure 7...

Page 17: ...ad tension 4 6 Stitch depth control The stitch depth controller makes it possible to adjust the distance between the upper edge of the presser and the needle radius so that the presser is lifted or lo...

Page 18: ...es The correct positioning is important for the quality of the stitch The pressure of the cloth retainer against the layers of material or seam edge can be varied by turning the screw 1 figure 2 This...

Page 19: ...onds to the number engraved in the handwheel as it comes to a standstill in the highest position Press down the setting knob and move the handwheel forwards until the desired stitch length noticeably...

Page 20: ...l stroke lowering of presser defines the stitch depth during the interval stitch To switch on the interval for a correctly configured stitch depth screw in the control knob 6 figure 1 until the requir...

Page 21: ...on the interval and set the interval stroke according to the required thickness of sewing material 9 To correct the seam shape thread in at a different spot if necessary Insert the sewing material an...

Page 22: ...22 Figure 8 Figure 9 Seam shape_seam_02 Seam shape_seam_03 From the library of Superior Sewing Machine Supply LLC www supsew com...

Page 23: ...sh the damaged parts Correct the gripper setting and or loop stroke Correct the thread tension check the thread movement Choose a suitable thread thickness Always observe Thread movement thread needle...

Page 24: ...ror Mechanical damage machine is blocked Solutions Turn the machine off and back on again Check the cutting position of the blade Check the programming Eliminate any mechanical faults and if necessary...

Page 25: ...ss seams The seam or loop remains stuck in the transporter for instance Stitch length accidentally misaligned Spring load presser blocks the cross seam area Correct tension on the lower transport belt...

Page 26: ...of oil is sufficient To oil gripper joint 1G1019 and the transport crank remove the countersunk head screws and lift the lid away from the head Any residue that collects in the moving parts must be r...

Page 27: ...ndrik Figeeweg 4 2031 BJ Haarlem Holland Phone 31 23 531 95 84 Fax 31 23 531 10 22 E Mail info globalsew com E Mail globalparts planet nl www globalsew com From the library of Superior Sewing Machine...

Reviews: