Skip to main content

Jack A7 Parts Book (PDF)

Single Needle LockstitchDownload PDF

Text index — Jack A7

Page 1 — 1. 机壳、外装部件/Machine Frame & Miscellaneous Cover Components

Jack A7 parts on page 1
RefPart numberPart nameQty
1101S11001Screw SM3/16"×28 L=914
210122003Rubber plug2
3115037001Head card1
4930000555Face plate asm1
5115201005Face plate asm1
613813005Thread guide left1
7115022002Face plate gasket1
8101S11027Screw SM1/8"×44 L=3.41
9113812019Face oil shield asm1
11412082Face oil shield asm(H)1
1011523000600Three switch components1
11101S11004Screw SM3/16"×28 L=72
1213812018Thread take-up lever cover1
1310122004Rubber plug1
1410122005Rubber plug1
1510122005Rubber plug1
16114S11015Screw SM9/64"×40 L=62
1711419001Knife1
18138S05001Screw M3 L=122
1913822001Rubber plug2
2021012018Oil sealing washer1
2121022007Rubber plug1
22115022001Side plate gasket1

Page 2

Jack A7 parts on page 2
RefPart numberPart nameQty
23115012001Side plate1
24930000263Side plate1
2513812109Fixed plate1
26S04010ScrewM4 L=5.51
27H05002Circlip 31
28138S30007Screw SM3/16"×281
29113811004Cable band8
30115026002Pin1
3111433000400Electronic components(Z)1
3111523000900Electronic components(Z)(+)1
32114S13001Screw M5 L=203
33114S30001Screw M5 L=251
34W01009Washer 52
35114130006RF wireless data communication module(+)1
3610122007Rubber plug1
3711433000500Control panel(Z)1
3711523001000Control panel(Z)(+)1
3814322007Rubber plug1
39138S08006Screw SM3/16"×28 L=71
4013810008Thread tension post1
4113812066Thread tension guide plate1
4214112017Thread tension disk2
4311227001Thread tension spring1
44141S16019Thread tension nut1
451411300400Thread tension asm1
4611411300200Thread tension asm1
461411300500Thread tension asm(H)1
47141S16013Thread tension nut1
4810112007Thread disk rotating stopper1
4910127002Thread tension spring1
4911427050Thread tension spring A (H)1
5014112016Disk stopper1
5114112015Thread tension disk2
52141S30001Thread tension post1
5310127001Thread take-up spring1
5310127031Thread take-up spring(H)1
5410103011Thread tension base1
5510122014Rubber ring1
56101S15005Screw SM9/64"x40 L=5.51
5711326012Tension release pin1
58101S11007Screw SM11/64"×40 L=62
5910113004Thread guide right1
60101S15010Screw SM15/64"×28 L=10.51
61401S16001Nut SM9/64"x401
6211413011Thread guide1
63101S11002Screw SM11/64"x40 L=5.51
6413812019Ruler stop seat1
65207S14007Screw M4 L=61
6611523000800Nest less e-device1
67104S17002Screw SM11/64"×40 L=6.52
6813815011Needle plate1
6811315001Needle plate(H)1
6810815001Needle plate(-7)1
69143S12002Machine head stud2
70101S11019Slide plate SM3/32×56 L=22
7110127009Slide plate spring1
7210115002Screw SM3/32"x56 L=21
73101S11026Screw SM15/64"X28 L=91

Page 3 — 2. 上轴、挑线部件/Main Shaft & Thread Take-up Components

Jack A7 parts on page 3
RefPart numberPart nameQty
110126001Thread take-up connecting rod pin1
111326013Thread take-up connecting rod pin (H-M)1
2101S15001Screw SM15/64"x28 L=151
311305010Thread take-up connecting rod1
310105001Thread take-up connecting rod (H)1
411328010washer(H-M)1
5H05013Snap ring 6 (H-M)1
610112003Needle bar crank protecting plate1
71013800100Thread take-up lever asm1
71133800200Thread take-up lever asm(H)1
810124001Needle bearing2
91011000100Thread take-up crank1
91011000400Thread take-up crank(H)1
911310010Thread take-up crank(H-M)1
1010105002Needle bar connecting rod1
11101S17001Screw SM9/64"×40(左旋) L=4.81
12101S15004Screw SM9/32"x28 L=161
13101S11003Screw SM9/32"x28 L=161
1410404001Needle bar crank1
1411404035Needle bar crank(H)1
15101S15002Screw SM1/4"x40 L=62
161140300200Main shaft bushing front1
17101S15006Screw SM15/64"x28 L=71
1812203002Main shaft bushing mid1
19101S14001Screw SM1/4"×40 L=64
2010108001Main shaft thrust collar2
21H03002Snap ring 201
2214310001Feed eccentric cam1
22115210001Feed eccentric cam(-H)1
23101S11013Screw SM1/4"x40 L=132
2413803002The rear axle sleeve1
2510122105Oil seal1

Page 4 — 3. 压料、自动抬压脚部件/Presser Bar & Auto Lifter Components (1)

Jack A7 parts on page 4
RefPart numberPart nameQty
1101S11010Screw SM9/64"x40 L=111
210128002Washer1
313811029Hand lifter1
4001004Rubber ring1
51411000200Hand lifter cam asm.1
6101S20001Screw2
710128015Washer2
81411201100Lift front lever component1
910112013Knee lifter pull rod1
10H05003Snap ring2
H03001GB/T894.1-1986挡圈15
115202002
115008001
S10026螺钉M3 L=3
S10009
302830
95100172
95100116
S09022内六角平端紧定螺钉M3 L=4
S09162内六角平端紧定螺钉M6 L=6
95100182
95100171
13811060
W02058GB 93-1987弹垫d5
S05901螺钉M5 L=50
951S15011螺钉组合件M3 L=12
10122012
114333016
14112004
14123001
141S11002螺钉SM3/16"×28 L=4.5

Page 5 — 3. 压料、自动抬压脚部件/Presser Bar & Auto Lifter Components (2)

Jack A7 parts on page 5
RefPart numberPart nameQty
1111329020Snap ring2
1213712004Lifting plate1
13101S20004Hinge Screw SM3/16"x321
141411200300Knee lifter lever asm1
15101S20003Hinge screw SM15/64"x281
1611312034Knee lifter back lever1
1711326005Pin1
18113829001Cotter pin1
1911326006Solenoid connector1
20113S16004Flange nuts M81
2111322008washer1
2211493000600Solenoid asm.1
23101S11001Screw SM3/16"×28 L=94
24114112022Knee lifter connecting rod1
2510127003Spring1
2610128001Washer1
27H05012Snap ring1
2810126003Thread release supporting pin1
29114127002Spring1
30115026001Pin1
31138S08006Screw SM3/16"x28 L=71
3214128001Loose top gasket1
33H03054Snap ring 61
3414101017Wire release plate1
35138S08006Screw SM3/16" L=71
3611413001800Solenoid1
3712922015Spout plug1
38114122006Oil seal1
39113811018Press regulating screw1
391138NS30003Press regulating screw (H)1
4011381101800Presser regulating screw nut asm.1
4113811028Press regulating nut1
411138NS16005Press regulating nut(H)1
4210102003Press regulating guide bar1
43113827010Press regulating spring1
4310127024Press regulating spring(H)1
4410409001Presser bar guide bracket1
45101S15007Screw SM1/4"x40 L=81
4611493001000Thick and thin detection magnet1
47114S11015Screw SM9/64"×40 L=62
4811493001100Thickness measuring debice1
49101S11007Screw SM11/64"×40 L=63
5014322004Rubber plug1
5110122112Pressure bar oil cover1
52113803007Presser bar bushing,lower1
53113802009Presser bar1
54101S11009Screw SM9/64"x40 L=10.51
551131600600Presser foot asm1
551131600300Presser foot asm(H)1

Page 6 — 4. 针杆、竖轴、下轴部件/Needle bar & Upright Shaft & Hook Driving Shaft Components

Jack A7 parts on page 6
RefPart numberPart nameQty
110122013Rubber plug1
214103009Needle bar bushing upper1
210103009Needle bar bushing upper(H)1
311402039Needle bar1
310102021Needle bar (H)1
410138002Needle bar connecting rod1
5101S11005Screw SM9/64"x40 L=61
610103010Needle bar bushing lower1
611303023Needle bar bushing lower(H)1
710113002Needle bar thread guide1
711412063Needle bar thread guide(H)1
813817001Needle1
810117001Needle1
810117002Needle(H)1
910413001Lower bushing thread guide1
910113009Lower bushing thread guide(H)1
10104S11006Screw SM1/8"x44 L=4.51
1110109001Slide block1
12101S11008Screw SM11/64"x40 L=82
1310109002Needle bar guide1
1410425004Upper shaft bevel gear1
1510425003Upper small bevel gear asm1
1610425002Lower large bevel gear asm1
17101S15014Screw SM1/4"x40 L=78
1810425001Hook drive shaft bevel gear1
19113S11036Screw SM15/64"x28 L=4.71
2010403020Upright shaft bushing upper1
2110102007Upright shaft1
22113803004Upright shaft bushing lower1
2310403019Hook driving shaft bushing back1
24115008002Hook driving shaft snap ring1
2514003004Lower shaft middle bushing1
2611304003Hook driving shaft1
2711522001Oil seal 121
28114122004Oil seal1
2914003001Hook driving shaft bushing front1
301142201600Oil seal1
3113823001Oil wick1
32101S30005Set screw SM3/16"×321
33115018001Hook asm(-C)1
3311418002Hook asm (China Desheng) (-CH)1
3311418004Hook asm(Hirose)(H)1
3410118003Bobbin1
3511218504Bobbin case asm.1
3610112016Finger postioner1
3610112032Finger postioner(H)1
37116S11005Screw SM11/64"×40 L=131
38101S11012Screw SM11/64"×40 L=4.82
39113S14020Screw SM11/64"×40 L=61

Page 7 — 5. 送料部件/Feed Mechanism Components

Jack A7 parts on page 7
RefPart numberPart nameQty
1S09019Screw M5 L=52
214302001Feed rocker shaft1
3115224001Thrust ball bearing2
411520700100Bracket assembly1
5101S11025Screw SM11/64"x40 L=71
6101S11002Screw SM11/64"x40 L=5.51
714308002Feed rocker shaft snap ring1
8209S14008Screw SM11/64"×40 L=4.52
914303001Axle sleeve1
10407N01001Nut M51
1130228008Washer1
12115226002Feed drive pin1
1314326001Feed crank connecting pin1
1414305001Rocker shaft connecting rod1
15B04020beating4
16209S14008Screw SM11/64"x40 L=4.52
1714304001Feed rocker shaft crank1
18S09019Screw M5 L=52
1910128003Washer3
20W03002Spring washer 53
21114S13001Screw M5 L=203
22115201004Motor mounting bracket1
23417S30034Bolt (with washer)M4X144
24115233004Stepper motor1
25400093Connecting rod1
26101S16003Hinge Screw SM9/32"x281
27101S11016Screw SM3/16"x28 L=141
28101S20005Hinge Screw SM9/32"x281
29114022002Rubber plug 15.51
3010104004Feed driving shaft crank1
31114022001Rubber ring1

Page 8

Jack A7 parts on page 8
RefPart numberPart nameQty
3214003002Axle sleeve1
331142200800Oil seal1
3414402007Feed driving shaft1
3510108003Feed rocker shaft snap ring1
36101S15002Screw SM1/4"x40 L=62
3710403015Bushing1
3814022008Plug1
39H03001Snap ring 151
4010104003Driving shaft crank1
411138NS30004Screw SM11/64"x40 L=10.51
42101S11018Screw SM1/8"x44 L=62
4313814005Feed dog1
4411520700300Feed bar asm.1
4411520700400Feed bar asm.1
4511226001Feed bar pin1

Page 9 — 6. 切线部件/Thread Trimmer Components

Jack A7 parts on page 9
RefPart numberPart nameQty
1113S15002Screw SM1/8"x44 L=9.51
2115019001Secant knife1
3113S17001Screw SM9/64"x401
411312003Needle guard patch1
5201S11009Screw SM9/64"x40 L=5.51
6113S11001Screw SM11/64"x40 L=122
710128003Washer2

Page 10 — 6. 切线部件/Thread Trimmer Components

Jack A7 parts on page 10
RefPart numberPart nameQty
8115212005Knife bracket press component1
9115212001Eccentric connecting rod1
1011303012Short bushing2
11113S17002Screw SM11/64"x40 L=4.42
1214019004Motorial knife(For the No Bird's Nest Components)1
12114119002Motorial knife(H)1
13115219001Knife bracket1
14115226001Eccentric pin of thread cutting link1
15113S20001Hinge Screw SM11/64"x401
16114112013Connecting rod1
17114S16004Nut SM11/64"x401
18S09019Screw M5 L=52
19115222001Crank driver stopper block1
20S05004Screw M5 L=141
21115204001Crank1
22115227002Spring1
2311230004Plug1
2411303003Thread cutting shaft bushing1
2511503005Crank drive shaft bushing1
26113S14020Screw SM11/64"x40 L=61
2711322002Spring cover1
2811327002Spring1
2911304002Crank shaft1
301400400100Thread trimmer drive asm.1
31101S14001Screw SM1/4"x40 L=61
3211324001Roolling pin1
331138NS16001Nut SM11/64"x401
34116S14005Screw SM1/4"x40 L=102
3511309030Push rod2
36114110002Cam1
3611310011Cam(H)1
3714002004Shaft1
38H05013Snap ring 61
3910112003Cunter weight protecting1
4011322003Solenoid cushion rubber1
4114022013spout plug 8.51
421413003400Thread trimmer solenoid asm.1
43113822005Washer1
44112S16006Nut SM1/4"X401
451401200200Bracket1
4611309001Solenoid pin1
47W02018Washer2
48N01005Nut M42
49S17002Screw M6 L=102
5011327001Spring1
5114112022Tangent lever1
5210112003Needle bar crank protecting plate1
53H03015Ring 81
5411230004Plug1

Page 11 — 7. 绕线部件/ Bobbin Components

Jack A7 parts on page 11
RefPart numberPart nameQty
11383103900Bobbin winder asm1
2114S11008Screw M4 L=61
3W01142Washer 41
410113030Thread press control plate1
510111120Winding pad1
613831101Bobbin winder bed1
7H05006Snap ring 51
810127061Spring1
913812110Regulating plate1
1010110030Bobbin winder cam1
11S09045Screw M5 L=51
121380510600Bobbin winder connecting rod1
1313827103spring1
1410127060Spring1
15GB/T 896-1986Snap ring 41
1613802111Bobbin winder mian shaft1
1713802026Bobbin winder cam shaft1
18S09103Screw M4 L=42
1913831102Bobbin winder wheel1
20001110Ring1
2111422062Washer1
22114S11003Screw SM3/16"×28 L=103
231411300600Bobbin thread tension asm1
24141S16019Thread tension nut1
2511427006Spring1
2614112015Thread tension disk2
2711413022Thread tension guide plate1

Page 12 — 8. 油盘、膝抬压脚部件/Oil Ceservoir & Knee Lifter Components

Jack A7 parts on page 12
RefPart numberPart nameQty
1115201007Oil reservoir1
214022001Seal1
3H05012Snap ring 41
440128013washer 6.2×13×12
514327002Knee lifter push rod Spring1
6113811004Cable band1
7114111012Knee lifter push rod1
8114122009Knee lifter push rod hat1
9101S11023Screw SM3/16"×28 L=6.51
1010131001Oil reservoir magnet1
111401202700Lifting foot bidirectional crank asm.1
1210112027Knee lifter crank1
1314027016Knee lifter spring1
14H05010Snap ring 91
151400200100Knee lifter shaft1
16S07020Screw M6 L=202
17101S16004Nut M62
18101S12002Screw M6 L=24.51
19S05240Screw M6 L=204
2020528014Ring1
21301S11015Screw SM3/8"×28 L=131
22115212002Wire clamp1
23113S11004Screw M4 L=82
24115212003Wire clamp1
112S13004
114S16001螺母SM11/64"×40
11435013
S10009螺钉M6 L=8

Page 13 — 9. 润滑、油量检测部件/Oil Lubrication & Oil Measuring Components

Jack A7 parts on page 13
RefPart numberPart nameQty
111211004Oil sight window1
210122019Rubber ring1
314121001Main shaft oil tube1
410121001Hook driving shaft oil tube1
510112020Oil pump installing base1
6101S30008Oil pump connecting stud1
7W03002Spring washer1
8209S12001Screw SM11/64"×40 L=10.51
9101S30007Screw M7X0.75 L=51
1010127013Plunger spring1
1110122018Plunger1
1210103022Oil pump bushing1
1310120001Oil pump1
14S04093Screw M3 L=63
1510111003Oil pump impeller1
1610112021Oil pump impeller cover1
1710111007Lubricating oil pump cover1
18101S30006Screw ST2.9 L=103
191012000100Lubricating oil pump component1
2010136001Rubber joint1
2114112007Thread hook1
22W02004Spring Washer M61
23116S30003Screw SM15/64"x28 L=14.51
2414021003Aluminum tubing1
25113811004Cable band2
2614021001Tubing0.4mm

Page 14

Jack A7 parts on page 14
RefPart numberPart nameQty
30129007
14036004
14036002
20429001
10123010
14036003
14022003
14022011O型圈
140S30001
115221001
115212004
S04010螺钉M4 L=5.5
10127015
10123006
101S11004螺钉SM3/16"×28 L=7
10112023
10121007
10121008
10112025
101S11010螺钉SM9/64"×40 L=11
10123010
13811015
11412200200
11523000400
140S16001
14028001
13812081
14012006
101S11026螺钉SM15/64"×28 L=9
14011004
14002005
11493000700-02
H05040

Page 15 — 10. 机头附件/Machine Head Accessories

Jack A7 parts on page 15
RefPart numberPart nameQty
11011203100Hinge component2
214022022Die cushion2
3101S30010Nail P192
41141NS30001Nail P254
510131004Screw driver,small1
610131003Screw driver,medium1
720731047Screw driver,large1
810122060Head connecting rubber cushion2
914022023Nose support2
10101S30014Wood screw M4 L=206
11115011003Machine head rest pin1
1213817001Needle4
1210117001Needle4
1210117002Needle(H)4
1320131039Funnel1
1410118003Bobbin1
151381101200Oiler component1
16115211001Disk tray1
17114131001Dust cover1
1811212001Crossing post1
1910130044Moulded case governor (flat seam A2)1
2020730335pull rod1
211383100300Thread stand asm.1
2220131019Spool rest rod rubber cap1
23W01047Washer 52
24S04050Screw M5 L=161
25N01034Nut M54
2613831022Spool rest arm upper1
2710113011Thread guide ring2
2810113010Thread guide ring2
2913831019Spool rest rod upper1
3013831021Spool rest rod joint1
3113831020Spool rest rod lower1
3210122106Spool rest rod rubber ring2
33W01052Washer 162
34N02004Nut M16×1.51
35S04051Screw M5 L=31.51
36N01034Nut M52
37W03002Spring washer 52
3813831023Spool rest arm lower1
3913831024Spool rest2
4020131010Spool rest cushion2
4120131006Spool pin2
4213831025Spool retainer2

Jack A7 — parts catalog