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Summary of Contents for typical TW7-6BR
- Page 1 TW7-6BR/6BR-3/6BR-4 EXTRA HEAVY DUTY ZIGZAG LOCKSTITCH SEWING MACHINE OPERATION INSTRUCTION/PARTS BOOK...
- Page 2 Please don't adjust and repair the machine by non-professionals,except adjusting stitch. Specifications subject to change without notice TYPICAL SEWING MACHINE WANPING MACHINERY CO.,LTD. ADD: WANPING TOWN, WUJIANG CITY, JIANGSU PROVINCE, CHINA TEL: +86-512-63391278 FAX: +86-512-63391371 POST. CODE: 215223 Http://www.typicalwpchina.com E-mail:export@typicalwpchina.com...
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Page 3: Table Of Contents
CONTENTS Operation Instruction 1.Briet instruction..................1 2.Main specifications..................1 3.Prepararation....................1 4 Installing the motor..................1 5.Connecting the pedal with clutch lever............1 6.Installing the presser foot lift control plate...........2 7.Installing the belt guard................2 8.Installing the bobbin winder............ -
Page 4: Briet Instruction
1.Brie fintroduction 2.Main specifications 1000s.p.m Max. Sewing speed This series large hook extra heavy duty zigzag Max. Stitch length 7.5mm sewing machines adopt link type thread take-up Needle bar stroke 33.2mm lever and driven by bevel gear, and large rotary hook. 10mm by hand Presser foot lift With the features of wide zigzag width and feed... -
Page 5: Installing The Presser Foot Lift Control Plate
6.Installing the presser foot lift control plate(Fig.3) Frist, the chain hook A should be connected with the chain B and presser foot lift lever C, then put the pedal assembly D on the stand, move the control plate E leftward or rightward until the chain becomes on one line, tighten the bolts and nuts, finally, connect the chain hook to the control plate. -
Page 6: Lubrication
9.Lubrication (Fig.6) The machine must be oiled at the places with red mark after the work is over every day. After lubrication, please run 1 or 2 minutes. 10.Trial running Trial running is required when new machine is put into use or use again after storing quite long time. First uninstall the rubber plug above the machine head and face plate and oiled by hand, then lift the presser foot and run the machine at a low speed of... -
Page 7: Coordination Among The Needle, Thread And Material
12.Coordination among the needle, thread and materials(Fig.8) The needle thread should be left-twist, holding the thread by left hand, twist it by right hand at certain direction (shown as Fig.10), if it changes into tight, it's left-twist, contrary, it's right-twist. Please use needle DD x 1 22#~27#, the needle size should depend on the materials to be sewn. -
Page 8: Stitch Length, Forward And Backward Feed
15.Stitch length, forward and backward feed (Fig.11) The stitch length can be adjusted by the button A. Press the button, then turn the hand wheel B c l o c k w i s e t o d e c r e a s e t h e s i t i c h l e n g t h o r counter-clockwise to increase the stitch length. -
Page 9: Installing The Bobbin
18.Installing the bobbin (Fig.14) Increase The thread tension should be adjusted according to the materials, thread and stitch seam. Screw The bobbin thread tension can be adjusted by the screw shown in the Fig.14 Decrease Based on it, the needle thread tension can be adjusted through the thread take-up spring, tension disc and the position of thread guide. -
Page 10: Installing The Hook Retainer Bracket
21.Installing the hook retainer bracket(Fig.17) 1.2~1.5mm While install the hook reatainer bracket E, first tighten the screw D, adjust the clearance between bracket and hook to 1.2~1.5mm, and the clearace between the spring tip C and bobbin case to 1~1.2mm, which assure the C to keep the bobbin case. -
Page 11: Adjusting The Timing Of Feed
24.Adjusting the timing of feed(Fig.20) 1. Standard position Turn the hand wheel to lower the feed dog (A) when the feed dog and the surface of needle plate(B) is at the same level, the tip of needle (C) and needle plate and feed dog should be at same level. -
Page 12: Machine Casting Components
1.Machine casting components... - Page 13 1.Machine casting components Qty. Name of parts Parts No. Remarks 6BR-3 6BR-4 6 K 4 - 0 1 7 Thread take-up lever cover 4 9 W F 2 - 0 1 2 Screw 1 7 K T - 0 0 3 back cover 6 K 4 - 0 3 0 Screw...
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Page 14: Upper Shaft Mechanism
2.Upper shaft mechanism 38 39... - Page 15 2.Upper shaft mechanism Qty. Name of parts Parts No. Remarks 6BR-3 6BR-4 6 K 1 - 0 4 0 Hand wheel 6 K 1 - 0 4 1 Screw Screw 6 K 1 - 0 4 2 1 7 K T 2 - 0 0 1 Upper shaft 6 K 1 - 0 3 1 Upper shaft bush(right)
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Page 16: Vertical Shaft And Hook Mechanism
3.Vertical shaft and hook mechanism... - Page 17 3.Vertical shaft and hook mechanism Qty. Name of parts Parts No. Remarks 6BR-3 6BR-4 1 7 K T 3 - 0 0 1 Lower shaft 6 K 1 - 0 5 0 Gear cover 6 K 1 - 0 3 8 Screw 6 K 1 - 0 3 9 Screw...
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Page 18: Needle Bar Rocking Frame And Presser Bar Mechanism
4.Needle bar rocking frame and presser bar mechanism... - Page 19 4.Needle bar rocking frame and presser bar mechanism Qty. Name of parts Parts No. Remarks 6BR-3 6BR-4 6 K 3 - 0 0 9 Presser bar thumb screw Presser bar thumb screw 1 7 K T 5 - 0 0 1 Presser bar spring Presser bar spring 1 7 K T 5 - 0 0 2...
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Page 20: Needle Plate And Bottom Feed Mechanism
5.Needle plate and bottom feed mechanism... - Page 21 5.Needle plate and bottom feed mechanism Qty. Name of parts Parts No. Remarks 6BR-3 6BR-4 1 7 K T 3 - 0 1 3 Slide plate(right) 1 7 K T 3 - 0 1 4 Needle plate 6 K 4 - 0 3 3 Screw 1 7 K T 3 - 0 2 7 Screw...
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Page 22: Thread Tension And Presser Foot Lifting Mechanism
6.Thread tension and presser foot lifting mechanism 18 19 11 12... - Page 23 6.Thread tension and presser foot lifting mechanism Qty. Name of parts Parts No. Remarks 6BR-3 6BR-4 Joint 6 K 3 - 0 0 2 6 K 2 - 0 0 3 Screw Connecting rod 1 7 K T 5 - 0 0 6 6 K 2 - 0 0 7 Foot lifting lever 1 7 K T 5 - 0 0 7...
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Page 24: Reverse Feed Mechanism
7.Reverse feed mechanism... - Page 25 7.Reverse feed mechanism Qty. Name of parts Parts No. Remarks 6BR-3 6BR-4 1 7 K T 2 - 0 1 3 Slide block guide base 6 K 2 - 0 2 4 Screw Taper pin needle bearing 6 K 1 - 0 1 8 Screw 6 K 2 - 0 2 1 Slide block guide...
- Page 26 8.Feed clutch mechanism...
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Page 27: Feed Clutch Nechanism
8.Feed clutch mechanism Qty. Name of parts Parts No. Remarks 6BR-3 6BR-4 1 7 K T 6 - 0 0 1 Feed clutch bushing(right) 1 7 K T 6 - 0 0 2 Feed clutch fork 6 K 1 - 0 4 8 Screw 6 K 1 - 0 6 5 Screw... -
Page 28: Puller Mechanism
9.Puller mechanism... - Page 29 9.Puller mechanism Qty. Name of parts Parts No. Remarks 6BR-3 6BR-4 Thumb screw 1 7 K T 6 - 0 2 6 1 7 K T 6 - 0 2 7 Puller arm 1 7 K T 6 - 0 2 8 Screw 2 2 W F 3 - 0 0 4 S M 1 1 / 1 6 "...
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Page 30: Zigzag Gear And Upper Cover Mechanism(-6Br)
10.Zigzag gear and upper cover mechanism(-6BR-3/-6BR-4) - Page 31 10.Zigzag gear and upper cover mechanism(-6BR-3/-6BR-4) Qty. Name of parts Parts No. Remarks 6BR-3 6BR-4 1 7 K T 1 - 0 2 7 Upper cover 4 9 W F 2 - 0 1 2 Screw 1 7 K T 1 - 0 2 8 Auxiliary cover 1 6 W F 2 - 0 4 4 Screw...
- Page 32 10.Zigzag gear and upper cover mechanism(-6BR)
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Page 33: Zigzag Gear And Upper Cover Mechanism(-6Br)
10.Zigzag gear and upper cover mechanism(-6BR) Qty. Name of parts Parts No. Remarks 6BR-3 6BR-4 2 3 K T 1 - 0 0 2 Upper cover 4 9 W F 2 - 0 1 2 Screw 1 3 W F 2 - 0 6 6 Thread guide 1 3 W F 2 - 0 6 7 1 7 K T 1 - 0 2 9... -
Page 34: Accessories
11.Accessories... - Page 35 11.Accessories Qty. Name of parts Parts No. Remarks 6BR-3 6BR-4 Belt guard complete 1 7 K T 7 - 0 0 6 Belt guard (inside) 1 7 K T 7 - 0 0 7 Belt guard (outside) 1 7 K T 7 - 0 1 0 Bracket 6 K 6 - 0 0 5 Screw...
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