background image

24.Adjusting the timing of feed(Fig.20)

25.Regular cleaning(Fig.21)

8

20

21

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.

2. Installing the feed lifting cam
Open the upper cover, turn the hand wheel
counter-clockwise by hand to lift the needle bar to
the top position, the first screw on the cam should be

tilted 45 counter-clockwise.

3. Installing the feed cam
After install the feed lifting cam, next install the
feed cam. Lift the needle bar to the top position,
look the feed lifting cam as the frame of reference,

the screw (A) should be tilted 30
cunter-clockwise, in other word, the tilted angle is

15 clockwise against the first screw of feed lifting
cam. Then tighten the screw (B).

0

0

0

.

.

.

.

.

.

A

B

C

Screw

A

B

Please clean the feed dog, hook and bobbin case

regularly.

1. Cleaning the feed dog.

Uninstall the needle plate, clean the dust on the feed

dog, after clean, install the needle plate.

2. Cleaning the hook

Clean the hook with a soft brush as shown in the Fig.

21. Meanwhile clean the bobbin case with a soft

cloth.

A

B

Содержание TW7-6BR

Страница 1: ...TW7 6BR 6BR 3 6BR 4 R EXTRAHEAVYDUTYZIGZAG LOCKSTITCH SEWING MACHINE OPERATION INSTRUCTION PARTS BOOK...

Страница 2: ...1371 POST CODE 215223 Http www typicalwpchina com E mail export typicalwpchina com TYPICAL SEWING MACHINE WANPING MACHINERY CO LTD Please don t adjust and repair the machine by non professionals excep...

Страница 3: ...19 Adjusting the thread take up spring 6 20 Adjusting the tension of bobbin thread and needle thread 6 21 Installing the hook retainer bracket 7 22 Installing the feed dog 7 23 Adjusting the zigzag w...

Страница 4: ...and grease must be cleared by clean cloth with gasoline 2 Examination Although every machine is conformed by strict inspection and test before delivery the parts of the machine may be loose and defor...

Страница 5: ...ghten the bolts and nuts finally connect the chain hook to the control plate For the safety purpose the belt guard should be installed as the Fig 4 shown A B C D E Align pulley B of the bobbin winder...

Страница 6: ...en lift the presser foot and run the machine at a low speed of 300 400s p m for 30 minutes then increase the speed gradually After one month please choose the suitalble speed according to the sewing w...

Страница 7: ...the materials Turn the hand wheel to lift the needle bar to its highest position then threading as following sequence shown in the Fig 9 C E A B D a b c d Bobbin thread should be neat and tight If lo...

Страница 8: ...thread take up lever Fig 12 12 The thread take up lever and needle bar is lubricated by oil woolen wick if the oil wick has no the function because of the pollution or hardened please change a new on...

Страница 9: ...n the contrary to decrease the swing range Usually the tension and swing range have been set by the maker only sewing the special materials or use special thread it should be reset A B The normal stit...

Страница 10: ...mm and the clearace between the spring tip C and bobbin case to 1 1 2mm which assure the C to keep the bobbin case Please don t let the C be touched with the hook tip B if so please adjust the positio...

Страница 11: ...clockwise 3 Installing the feed cam After install the feed lifting cam next install the feed cam Lift the needle bar to the top position look the feed lifting cam as the frame of reference the screw...

Страница 12: ...1 Machine casting components 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 13 13 13 13 13 23 9...

Страница 13: ...K4 030 2KT6 017 17KT1 004 17KT1 005 17KT1 006 17KT1 007 22WF2 007 89WF2 005 17KT1 008 17KT1 009 6K4 046 17KT1 010 6K4 004 16WF2 011 16WF2 015 17KT1 031 17KT1 032 17KT1 030A 17KT1 030B 22KT1 001A 22KT1...

Страница 14: ...2 Upper shaft mechanism 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 2 11...

Страница 15: ...KT2 001 6K1 031 6K1 034 6K1 033 6K1 037 6K1 038 6K1 039 17KT2 002 6K1 036 6K2 014 6K2 015 6K2 011 6K2 013 6K1 017 6K2 010 6K2 011 6K2 012 6K2 001 6K2 002 6K2 003 6K2 004 6K2 006 6K2 005 6K2 007 6K2 00...

Страница 16: ...3 Vertical shaft and hook mechanism 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 13...

Страница 17: ...7KT3 002 6K1 044 6K1 053 17KT3 003 17KT3 004 6K1 054 6K1 008 17KT3 005 6K1 041 17KT3 004 17KT3 006 6K1 044 17KT3 007 6K1 057 17KT3 008 6K1 059 6K1 062 6K1 063 6K1 060 6K1 061 6K1 065 6K1 064 6K1 004 1...

Страница 18: ...rocking frame and presser bar mechanism 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 5...

Страница 19: ...tud guide block Stud guide Screw Guide plate Screw Collar Screw Oil wick Needle bar connecting stud Needle bar holder Screw Needle bar rocking frame assembly Needle bar rocking frame Needle bar Hinge...

Страница 20: ...5 Needle plate and bottom feed mechanism 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 33 34 35 36 37 38 39 40 41 3 3 32 17...

Страница 21: ...6 6K4 052 17KT3 016 6K2 062 6K2 063 6K2 064 17KT3 017 17KT3 018 17KT3 019 17KT3 020 6K2 052 6K2 061 17KT3 003 17KT3 021 6K2 015 2 56 7 6K2 060 17KT3 003 6K2 059 17KT3 022 17KT3 023 6K5 028 17KT3 024 6...

Страница 22: ...6 Thread tension and presser foot lifting mechanism 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 34 35 19...

Страница 23: ...iary tension thumb nut Thread guide 6K3 002 6K2 003 17KT5 006 6K2 007 17KT5 007 6K3 008 6K3 006 6K3 007 6K3 005 6K1 065 17KT1 011 22WF6 007 17KT1 012 17KT1 013 17KT1 014 6K1 004 6K3 007 17KT1 015 89WF...

Страница 24: ...7 Reverse feed mechanism 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 4 8 21...

Страница 25: ...6K2 024 6K1 018 6K2 021 6K2 022 6K2 025 6K2 044 6K2 018 6K2 015 6K2 027 6K2 026 6K2 028 6K2 029 6K2 031 6K2 032 6K2 016 6K2 019 6K2 020 6K2 017 6K2 018 6K2 030 17KT2 009 17KT2 010 6K2 042 6K2 043 17K...

Страница 26: ...8 Feed clutch mechanism 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 29 29 29 23...

Страница 27: ...6 001 17KT6 002 6K1 048 6K1 065 17KT6 003 17KT6 006 17KT6 004 17KT6 005 17KT6 007 17KT6 010 17KT6 011 17KT6 012 80WF6 018 17KT6 013 17KT6 010 17KT6 014 17KT6 015 17KT6 016 17KT6 017 17KT6 018 6K1 048...

Страница 28: ...9 Puller mechanism 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 5 25...

Страница 29: ...059 17KT6 029 17KT6 030 16WF6 053 17KT6 031 17KT6 032 17KT6 033 17KT6 034 17KT6 035 17KT6 036 17KT6 037 17KT6 038 17KT6 039 17KT6 040 17KT6 041 17KT6 042 17KT6 043 16WF1 053 16WF1 054 17KT6 044 6K1 0...

Страница 30: ...10 Zigzag gear and upper cover mechanism 6BR 3 6BR 4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 27...

Страница 31: ...Screw 17KT1 027 49WF2 012 17KT1 028 16WF2 044 13WF2 066 13WF2 067 17KT1 029 17KT4 022 17KT4 023 22KT2 001 16WF1 053 17KT4 024 22KT2 002 7KT3 033 17KT4 026 6K1 065 17KT4 027 17KT4 028 16WF1 053 17KT4...

Страница 32: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 29 10 Zigzag gear and upper cover mechanism 6BR...

Страница 33: ...small Screw Screw 23KT1 002 49WF2 012 13WF2 066 13WF2 067 17KT1 029 23KT2 004 22KT2 001 16WF1 053 23KT2 002 7KT3 033 17KT4 029 6K1 065 17KT4 027 17KT4 028 16WF1 053 17KT4 029 23KT2 005 17KT4 031 17KT4...

Страница 34: ...11 Accessories 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 5 12 13 12 13 31...

Страница 35: ...plete S type hook with chain Rubber cushion Screw 17KT7 006 17KT7 007 17KT7 010 6K6 005 6K4 033 17KT7 012 17KT7 009 17KT7 008 17KT7 011 6K4 030 6K6 007 33TF 011 6K6 008 17KT4 034 6K6 009 33TF 014 33TF...

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