Jack JK-768 User Manual
-3
Parts
Manual
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目录
CONTENTS
页码
一、机壳部分 Frame Assembly 1
二、缝台部分 Cloth Plate Assemblies 3
三、罩壳部分 Cover Assemblies 5
四、主轴部分 Main Shaft Assemblies 7
五、针杆部分 Needle Bar Assemblies 9
六、过线部分 Thread Guide Assemblies 11
七、上弯针部分 Upper Looper Assemblies 13
八、下弯针部分 Lower Looper Assemblies 15
九、前弯针部分 Front Looper Assemblies 17
十、打线凸轮部分 Cam Assemblies 19
十一、差动送布部分 Different Feed Assemblies 21
十二、抬牙送布部分 Feed Dog Assemblies 23
十三、剪切部分 Trimming Assemblies 25
十四、压布部分 Presser foot Assemblies 27
十五、润滑部分 Lubrication Assemblies 29
十六、送布挡料部分 Feed Snap Assemblies 31
十七、线架部分 Thread Spool Assemblies 33
十八、托盘、排料部分 Plate Row Material Assemblies 35
十九、随机附件部分 Accessories Assemblies 37
二十、倒回缝部件 Back Latch Components 39
二十一、768E 专用部件 768E Specific Parts 41
标准度量零件表Standard measurement part list 43
-1-
一、机壳部分 Frame Assembly
—2—
序号
NO.
1 301788 ———— 机壳
2 20112001 KA04E1 针线罩壳护板
3 300082 ———— 机头罩
4 20222001 ———— 机头罩垫
5 20101003 KA09 针杆座
6 20122002 KA14 回油胶套
7 20122003 KA22 油封
8 20112002 KA25 后盖板
9 20122005 KA26 油封
10 20101004 KA27 盖板
10 20101054 KA27 盖板
11 20122007 KA29 盖板垫
12 R03001 KA33 铆钉 2.5×4
13 20137001 ———— 机型牌
14 P01003 KA39 销 B3×12
15 20112003 KA40 滤油网
16 H01003 KA42 挡圈 17
17 20122008 KA21 油封I
18 20122009 KA24 油封II
19 20626004 240190 油线销
20 20121019 ———— 795Φ2.5×Φ3.5油管
21 20127001 ———— 弹簧
22 20126001 ———— 工艺孔销
23 201S11028 SK292 螺钉 Screw 3 3 3
24 201S11027 SK290 螺钉 Screw 2 2 2
25 201S11029 SK299 螺钉 Screw 1 1 1
26 201S10005 SK216 螺钉 M3×3 Screw M3×3 1 1 1
27 201S11033 SK357 螺钉 Screw 1 1 1
28 201S14002 SK268 螺钉 Screw 1 1 1
29 201S11016 SK257 螺钉 Screw 11 11 11
30 201S12005 SK261 螺钉 Screw 1 1 1
31 201S12006 SK280 螺钉 Screw 1 1 1
32 201S30006 SK401 螺钉 Screw 4 4 4
33 20128023 WK23 垫圈 Washer 4 4 4
34 201S13002 SK400 螺钉 Screw 4 4 4
35 201S11021 SK272 螺钉 Screw 1 1 1
36 201S11039 SK308 螺钉 Screw 1 1 1
37 P01003 ———— 销
38 20523005 ———— 油线
公司件号
Part NO.
301837 ———— 机壳（DI)
参考件号
Ref.Part
No.
名称 Description
three-thread four-thread five-thread
Machine frame
Machine frame
Needle thread cover plate
Left upper cover
Left upper cover pad
Needle plate
Rear oil adhesive
Oil seal
Rear cover
Oil cover
Cover
Cover
Cover washer
Rivet
Machine model plate
Pin
Oil screen
Snap ring
Oil seal I
Oil seal II
Oil amount adjusting pin
Oil tube
Spring
Pin
Pin
Oil wick 1 1 1
数量（Number）
三线 四线 五线
111
111
111
111
111
111
111
111
111
111
111
111
111
222
111
333
111
111
221
111
111
111
111
222
111
—３—
二、缝台部分 Cloth Plate Assemblies
—4—
序号
件号 Part
NO.
1 2011207000 KB01E 缝台盖组件（BK)
2 20122012 KB05 胶套
3 20122013 KB05E 胶套
4 201S30011 KB06E-1 缝台盖防震螺钉
5 20127003 KB12B 缝台盖开启弹簧
6 20112011 KB15B 缝台盖扳手
7 20127004 KB17 缝台盖簧
8 20111001 KB22F 缝台下罩壳
9 20111003 KB29 挡油罩
10 20112012 KB31D-1 上弯针密封板
11 20122015 KB31D-2 上弯针密封板垫
12 201S11018 SK262 螺钉
13 201S11016 SK257 螺钉
14 201S20003 SK279 螺钉
15 201S17004 SK217 螺钉
16 201S16003 NK26 螺母
17 201S30007 SK403 螺钉
18 201S16001 NK23 螺母
19 20128019 WK06 垫圈 3
20 201S11037 SK221 螺钉
21 201S11037 SK560 螺钉
22 20128019 WK05 垫圈
23 2011208100 KB02E 缝台盖组件
24 20111002 KB23F 缝台下罩壳
25 20122011 KB03 胶套
NO.
参考件
号
Ref.Par
名称 Description
Cloth plate cover spring
Upper looper sealing plate
Upper looper sealing plate washer
Cloth plate
Rubber bushing
Rubber bushing
Screw
Spring
Cloth plate slider cover
Cloth plate lower plate
Washer
Screw
Screw
Screw
Screw
Nut
Screw
Nut
Washer 3
Screw
Screw
Washer
Cloth plate
Cloth plate lower plate
Rubber bushing
数量（Number）
三线 四线 五线
three-thread four-thread five-thread
110
111
111
111
111
111
111
110
111
111
111
111
222
111
222
111
111
111
222
222
333
333
111
001
111
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三、罩壳部分 Cover Assemblies
—6—
序号
件号 Part
NO.
1 301643 ———— 上盖
1 301791 ———— 上盖
2 20122045 ———— 上盖垫
3 20112013 ———— 过线架
3 20113030 ———— 过线架
4 20111054 ———— 皮带轮罩
5 20112014 KC13 针线罩壳簧
6 20112015 KC15 缝料挡板
7 20112016 KC17 挡油板II
8 20126003 KC18 前罩架销
9 20112017 KC20 前罩簧片
10 301642 KC21E 前罩
11 20112100 KC22B 前罩挡板
11 20112069 KC22B 前罩挡板(BK)
11 20112101 KC23B 前罩挡板
12 20101007 KC24B 前罩架
13 20126004 KC25B 前罩销
14 20127005 KC28 前罩架弹簧
15 20122017 KC29 前罩架垫
16 20137002 ———— 机头牌
17 20131064 KC39-4 进油指示
18 20112020 KC36 前罩挡板簧
19 20112021 KC55B 接油斗
20 20122018 KC58 油标垫
21 20126005 KC62 上罩销
22 20111005 ———— 油标盖
23 20111006 ———— 有机玻璃罩
24 20111007 ———— 上罩
25 20112090 ———— 机壳右盖板
26 201S11015 SK256 螺钉
27 201S11025 SK278 螺钉
28 206S11005 4009 螺钉
29 201S11009 SK233 螺钉
30 201S11018 SK262 螺钉
31 201S15001 SK235 螺钉
32 201S11014 SK250 螺钉
33 201S11038 SK576 螺钉
34 H05002 FK03 挡圈3
35 S01013 7176 螺钉M6×14
36 S01010 7019 螺钉 M4×8
NO.
参考件号
Ref.Part
No.
名称 Description
Upper cover
Upper cover
Upper cover washer
Thread guide supporter
Thread guide supporter
Belt cover
Thread cover spring
Cloth guide plate
Oil guide II
Pin
Front spring
Front cover
Front cover guard
Front cover guard
Front cover guard
Front cover hinge
Hinge pin
Front cover hinge spring
Front cover hinge washe
Trade mark plate
Oil flow sindow
Front cover snap guard
Oil guard
Oil level gauge washer
Pin
Oil level gauge plate
Oil sight
Upper cover
Right frame plate
Screw
Screw
Screw
Screw
Screw
Screw
Screw
Screw
Snap spring
Screw
Screw 2 2 2
数量（Number）
三线 四线 五线
three-thread four-thread five-thread
111
111
111
111
111
111
111
111
111
111
111
111
110
110
001
111
111
111
111
111
222
111
111
111
111
111
111
111
111
222
222
222
999
222
333
222
333
111
333
—７—
—８—
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f¥%
10 20129001
11
12
13
13
14
15
16 20101012
17
18
19 201S11040 777- 5361
20
21 20128024
22 201S1 5004 SK347
23 201S11016 SK257
24 201S14002 SK270
25 201S11012 SK241
26 201S14002 SK396
27 201S15001 SK235
11f%
NO.
1 400022
2 20111008
3 20101008
4 20122019
5 20128002
6 20103002
7 001003
8 803001
9
20103003
804001
20101009
20101010
20122020
300076
20126006
30
201S110
Main Shaft Assemblies
Part
NO.
128008
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Ref.
34
No.
KD01
KD09
KD10D
KD12D
KD13
KD14
KD15
KD16
KD17
KD20
KD21
KD22
KD27D
KD26D
KD28D
----
----
KD33
240
SK374
WK24
Part
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Description
Main shaft 1 1
wheel
Rear
shaft
bearing cover 1 1 1
Washer
Main
shaft
spring washer 1
Main shaft bysgubg asm
Seal ring
Bearing
Oil
pump
Snap
spring
Main
shaft
left
Bearing
Bearing cover
Bearing cover
Bearing cover washer
Pulley
Key
Bulgy
pulley
wash
Screw
Screw
wash
Scre
Screw
Screw
Screw
Screw
Screw
~:;:
(Number)
d f o
[7]~
ur-thread
1
1
1
li~
fiv
e-t
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three-threa
1 1 1
1 1 1
1 1 1
1 1 1
2 2 2
worm
bushing
shaft
er
er
w 2 2 2
1
1 1 1
1 1
1 1 1
1 1 0
0 0 1
1 1 1
1 1 1
1
0 0 1
1 1
1 1
1 1 1
1 1 1
3 3 3
1 1 1
3 3 3
2 2 2
1 1
hread
1
1
1
1
1
0
0
1
—９—
1
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五、针杆部分 Needle Bar Assemblies
—10—
序号
件号 Part
NO.
1 20102002 KFO1F 针杆曲柄轴 Needle bar driving frame rock shaft 1 1 1
2 20126007 KFO2 针杆曲柄销 Eccentric shaft 1 1 1
3 20103004 KFO5 针杆轴后套筒 Needle bar shaft bushing back 1 1 1
4 20108001 KFO7 挡圈 Snap ring 1 1 1
5 20104001 KFO9 针杆传动曲柄 Throat driving crank 1 1 1
6 20122022 KF38 油封 Oil seal 1 1 1
7 B07006 KF11 滚针轴承 Needle bearing 1 1 1
8 20128004 KF12 垫圈 Washer ring 1 1 1
9 20126008 KF14 针夹导线销 Throat clip guide ping 1 1 1
10 20123021 KF16 油线 Oil wick 1 1 1
11 400021 KF17 针杆摆轴 Throat bar rock crank 1 1 1
12 20103005 KF18 行针轴左套筒 Needle driving shaft bearing 1 1 1
13 20122021 KF19 油封 Seal ring 2 2 2
14 20103006 KF20 行针轴右套筒 Needle driving shaft bearing 1 1 1
15 20108002 KF21 挡圈 Snap ring 2 2 2
16 20101013 KF23 针杆摆轴平衡块 Balance block 1 1 1
17 20104002 KF26 针杆摆轴曲柄 Needle bar frame rock shaft crank 0 1 0
17 20104003 KF25 针杆摆轴曲柄 Needle bar frame rock shaft crank 1 0 1
18 400011 KF28 针杆传动连杆 Needle bar connecting rod 1 1 1
19 20126009 KF30 针杆传动连杆销 Connecting link pin 1 1 1
20 201S12005 SK261 螺钉 Screw 1 1 1
21 20101014 KF32 针夹导套 Throat clip guide bushing 1 1 1
22 2010200400 ———— 针杆组件 Needle bar 1 1 1
23 20117012 DC×27 #11机针（三四线） Needle 1 2 0
23 20117013 DC×27
23 20117014 DC×27
24 20123021 KF35 油线 Oil wick 1 1 1
25 20121020 KF35-1 塑料管 Plastic tube 1 1 1
26 20523005 KF37 油线 Oil wick 2 2 2
27 20134002 KG142-E 针古（三线） Needle clamp 1 0 0
27 20134001 KG131-E 针古（四线） Needle clamp 0 1 0
27 20134003 KG153-E 针古（五线） Needle clamp 0 0 1
27 20134004 KG155-E 针古（厚料） Needle clamp（for thick） 0 0 1
28 201S15003 SK293 挡圈螺钉 Snap ring screw 2 2 2
29 201S13003 SK612 螺钉 Hexagon socket screw 1 1 1
30 201S30003 SK291 平衡块螺钉 Balance block position screw 2 2 2
31 201S14002 SK293 行针传动连杆顶丝 Frame rock shaft set screw 3 3 3
32 201S12005 SK385 行针传动连杆螺钉 Shaft position screw 2 2 2
33 201S11026 SK287 针杆曲柄紧固螺钉 Screw 1 1 1
34 201S17001 SK204 油线堵油螺钉 Screw 1 1 1
35 201S17004 SK217 垫圈螺钉 Screw 1 1 1
36 S01022 SK221 垫圈螺钉 Screw 1 1 1
37 S100026 SK216 螺钉 Screw 4 4 4
38 H05008 EK01 挡圈8 Snap ring 1 1 1
39 S100026 SK216 顶针螺钉 Screw 2 2 2
NO.
参考件号
Ref.Part
No.
名称 Description
#14机针(五线，70)
#19机针(86)
three-thread four-thread five-thread
Needle 0 0 2
Needle 0 0 2
数量（Number）
三线 四线 五线
-
11
-
六、过线部分 Thread Guide Assemblies
—12—
备注
序号
NO.
1
1
1
1
2
3
4
5
6
7
8
9
10
10
11
11
12
12
13
14
15
16
17
18
19
20
21
22
23
24
24
25
26
26
27
27
27
27
27
27
27
27
28
29
30
31
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47 201S11018 SK262 过线螺钉
48
49 S01006 SK221 螺钉
50 20122011 KB05 胶套
51 400663 ———— 夹线器组件（蓝）仿手印
52 400662 ———— 夹线器组件（红）仿手印
53 400661 ———— 夹线器组件（黄）仿手印
54 400668 ———— 夹线器组件（绿）仿手印
55
件号 Part
Note
20101084 208447-UA 夹线器螺母(蓝)仿手印
20101082 208448-UA 夹线器螺母(红)仿手印
20101083 208449-UA 夹线器螺母(黄)仿手印
20101085 208450-UA 夹线器螺母(绿)仿手印
20111014 208448 调压止动套
20127018 201037 调压簧（强）
20127018 201037 调压簧（强）
20127019 201068 调压簧（中）
20111015 208450-UA 调压止动盖
400161 210319 夹线片
20123018 208449 夹线片垫
201S30016 005082A 夹线螺钉
20113001 209622 过线板
20213001 209622
20113002 202849 过线板
20213002 202849
20113003 KG11F 挑线板
20113004 KG6F 挑线板
20111009 KG12 硅油盒
20112022 KG13 油毡垫架
20113005 KG14 过线架
20122023 KG15D 硅油盒胶垫
20123006 KG16 油毡垫
20113006 KG17 拦线板
20113007 KG18 拦线板支架
20127006 KG19 弹簧
20103008 KG21 拦线板导向套
20101015 KG24-1 针板座键
20101016 KG24-2D 针板座
20113008 KG54 过线架
20113009 KG42 过线架
20117002 KG59 护针档
20117003 KG471 前护针档
20117004 KG472 前护针档
20115001 E800 针板
20115002 E919 针板
20115003 E982 针板
20115004 ————
20115005 ————
20115006 ————
20115007 ————
20115008 ————
20113010 KG25 过线
20117005 KG31D
20117006 KG37
20101017 KU18 护针档座
20101018 KG39 护针档座
20101019 KG26-E 挡板
20122024 KG46 挡板垫
W01011 KF31 垫圈
201S17005 SK260 针板螺钉
201S11008 SK230 前护针板螺钉
201S11029 SK299 针板座螺钉
201S11014 SK250 过线架螺钉
201S11001 SK207 硅油盒固定螺钉
201S20005 SK359 胶垫固定螺钉
201S11003 SK209 后护针螺钉
201S12009 SK242 护针档螺钉
201S11009 SK233 挑线螺钉
201S15001 SK235
201S30010 SK236 挡板定位螺钉
201S11022 SK275 护针档座螺钉
20128030 KQ42 垫圈
20127020 201086 调压簧(弱）
NO.
参考件号
Ref.Part
No.
名称 Description
过线板(757)
过线板(757)
针板(BK)
针板(BK)
针板(16S)
针板(X2)
针板（70）
护针档I
护针档II
挡板螺钉II
数量（Number）
三线 四线 五线
Thread tension screw 1 1 1
Thread tension screw 0 1 1
Thread tension screw 1 1 1
Thread tension screw 1 1 1
Thread tension spring 3 4 4
Thread tension spring 1 2 2
Thread tension spring 1 2 2
Thread tension spring 1 1 1
Thread tension spring 3 4 4
Thread tension disc 6 8 8
Thread tension disc washer 3 4 4
Thread tension screw 3 4 4
Thread guide 1 2 2
Thread guide 1 2 2
Thread guide 2 2 2
Thread guide 2 2 2
Upper thread take-up 1 1 0
Upper thread take-up 0 0 1
Oil box 1 1 1
Oil felt 1 1 1
Thread guide 1 1 1
Oil box washer 1 1 1
Oil felt 1 1 1
Tension spring 1 1 1
Thread controller disc holder 1 1 1
Spring 1 1 1
Thread controller disc guide bushing 1 1 1
Throat plate positioning rod 2 2 2
Throat plate bracket 1 1 1
Thread mark guide 1 1 0
Thread mark guide 0 0 1
Teat needle guard 1 1 1
Front needle guard
Front needle guard 0 1 0
Needle plate 1 0 0
Needle plate 0 1 0
Needle plate 0 0 1
Needle plate 1 0 0
Needle plate 0 1 0
Needle plate 1 0 0
Needle plate 0 0 1
Needle plate 0 0 1
Thread guide 0 0 1
Needle guard I 0 0 1
Needle guard II 0 0 1
Needle guard bracket 1 1 0
Needle guard bracket 0 0 1
Snap plate 1 1 1
Snap plate washer 1 1 1
Washer 1 1 1
Throat screw 2 2 2
Front needle snap screw 1 1 1
Throat plate bracket screw 2 2 2
Thread guide holder screw 1 1 1
Oil box set screw 1 1 1
Oil box set screw 1 1 1
Rear needle guard screw 2 2 2
Needle guard screw 3 3 3
Thread take up screw 2 2 2
Snap plate screw II 1 1 1
Snap plate set screw
screw 2 2 2
screw
Washer 1 1 1
screw
Rubber bushing
Thread tension
Thread tension
Thread tension
Thread tension
Thread tension spring 1 1 1
three-thread four-thread five-thread
1 0 0
1 1 1
111
111
222
111
011
111
111
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