Jack JK-798D (73 pages) Parts Book (PDF)

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Text index — Jack JK-798D (73 pages)

Page 4 — 一、机壳部分/Machine Bed Frame

Jack JK-798D (73 pages) parts on page 4
RefPart numberPart nameQty
1P03010Pin1 / 1 / 1
2P03017Pin1 / 1 / 1
320711001Indicator guide2 / 2 / 2
420713027Pipe2 / 2 / 2
5P03018Pin1 / 1 / 1
620628023Plug1 / 1 / 0
720701002Bracket Assembly1 / 1 / 1
8207S13003Screw2 / 2 / 2
9206S30001Bed pin4 / 4 / 4
10P03019Pin1 / 1 / 1
1120126001Pin1 / 1 / 1
1220726009Pin0 / 0 / 1(厚料)
1320701001Machine Bed Complete1 / 1 / 1
1420703001Sleeve1 / 1 / 1
1520703002Sleeve1 / 1 / 1
1620703003Sleeve1 / 1 / 1
1720703004Sleeve1 / 1 / 1
1820703009Sleeve1 / 1 / 1
1920703006Sleeve1 / 1 / 1
2020703007Sleeve1 / 1 / 1
2120703008Sleeve1 / 1 / 1
2220703009Sleeve4 / 4 / 6

Page 6 — 二、机壳机罩部件(1)/Cover (1)

Jack JK-798D (73 pages) parts on page 6
RefPart numberPart nameQty
1300164Top Cover1 / 1 / 1
2207S11012Screw4 / 4 / 4
320722001Gasket1 / 1 / 1
420622003Cushion Rubber3 / 3 / 3
530111022Oil sight window1 / 1 / 1
620722002Plug1 / 1 / 1
7300165Side Cover1 / 1 / 1
8207S11012Screw2 / 2 / 2
9207S11008Screw2 / 2 / 2
102070201100Presser Bar1 / 1 / 1
1120712043Front Cover(left)0 / 0 / 1
12207S17001Screw4 / 4 / 4
1320711003Belt Cover Assembly1 / 1 / 1
1420622003Rubber Cute1 / 1 / 1
15S01013Screw3 / 3 / 3
1620712001Fan Cover1 / 1 / 1
17207S11007Screw1 / 1 / 1
18300166Front Cover(right)1 / 1 / 1
1920701006Hinge1 / 1 / 1
20207S11008Screw3 / 3 / 3
2120626001Pin1 / 1 / 1
22207S14001Screw2 / 2 / 2
2320627001Spring1 / 1 / 1
2420712002Latch1 / 1 / 1
25207S11009Screw1 / 1 / 1
26207S14002Screw1 / 1 / 1
27207S14003Screw1 / 1 / 1
2820712003Latch1 / 1 / 1
29S01031Screw1 / 1 / 1
3020612004Flat Spring1 / 1 / 1
31S01031Screw1 / 1 / 1
3220712004Front Cover(left)1 / 1 / 0
33207S11011Screw2 / 2 / 2
3420712005Side Cover1 / 1 / 1
35xxxxxxxxThreading diagram1 / 1 / 1
36xxxxxxxxThreading diagram0 / 0 / 1

Page 8 — 三、机壳机罩部件(2)/Cover (2)

Jack JK-798D (73 pages) parts on page 8
RefPart numberPart nameQty
2071204400
2071200600
20603016
207S14007螺钉M4×4
W02004
30228008
207S11011螺钉M4×5
20622003
20711018
20711004
207S11013螺钉M4×17.5
W02002
S01002螺钉M4×5
20528017
20622003
20612016
207S11014螺钉M3.5×4.5
20712008
207S17003螺钉M4×7.5
20627002
206520006螺钉M4
20627003
20612009
20712010
207S11007螺钉M4×7.5
20711005
20711019
207S11015螺钉M3×6
W01011
20712011
207S20002螺钉M4
20128015
20701084
207S12001螺钉M4×8
20722003
2071201200
S01005螺钉M4×10
207S11016螺钉M4×16
N01001
10122020

Page 10 — 四、主轴部件/Crankshaft Drive Mechanism

Jack JK-798D (73 pages) parts on page 10
RefPart numberPart nameQty
1400046
2400045
320712066
420701008
5207S11017螺钉M3×8
620726002
7S10009螺钉M6×8
820712013
9207S11007螺钉M4×7.5
10001024
11B04004轴承6202LB
12207S11018螺钉M5×10
13207S14012螺钉M5×5
1420729001
15B04005轴承6203LLU
16B04005轴承6203LLU
17W03003
1820103002
19001025
20001028
2120708015
22207S11012螺钉M4×10
232071100600
24300167
25S10009螺钉M6×8
26207S13004螺钉M6×35
27W02004
2820602002
2920712046
30207S17001螺钉M4×10
31207S11012螺钉M4×10
3220708003
3320701009
34001037
3520725001

Page 12 — 五、夹线部件/Thread Tension Mechanism

Jack JK-798D (73 pages) parts on page 12
RefPart numberPart nameQty
1400662Tension Spring Assembly (Red)1 / 1 / 1
2301S16006Knob1 / 1 / 1
330111006Rachet1 / 1 / 1
430111005Cup1 / 1 / 1
5400161Tension Disc2 / 2 / 2
620623008Felt1 / 1 / 1
7201S30016Screw Stud1 / 1 / 1
820727011Spring1 / 1 / 1
9400663Tension Spring Assembly(Bule)1 / 1 / 1
1030127013Spring1 / 1 / 1
1120713001Thread Guide1 / 1 / 1
12207S11007Screw2 / 2 / 2
1320712015Thread Guide1 / 1 / 1
1420612052Tension Guide3 / 4 / 4
15206S11005Screw1 / 0 / 0
16400661Tension Spring Assembly(Yellow)0 / 1 / 1
17400668Tension Spring Assembly(Green)1 / 1 / 1

Page 14 — 六、过线机构(1)/Thread Guide and Thread Takeup (1)

Jack JK-798D (73 pages) parts on page 14
RefPart numberPart nameQty
120701029Bracket1 (five-thread)
2207S11019Screw2 (five-thread)
320713020Thread Guide1 (five-thread)
420713052Thread Takeup1 (five-thread)
5207S14001Screw1 (five-thread)
620701030Bracket1 (five-thread)
7S01031Screw1 (five-thread)
820713021Thread Guide1 (five-thread)
9207S14001Screw1 (five-thread)
1020713022Thread Guide1 (five-thread)
11207S11015Screw2 (five-thread)
1220713050Thread Guide1 (five-thread)
13S01031Screw1 (five-thread)
1420713023Thread Guide1 (five-thread)
1520713051Thread Guide1 (five-thread)
16S01031Screw1 (five-thread)
1720713006Bracket1 (five-thread)
1820713007Thread Retainer1 (five-thread)
19207S20003Screw1 (five-thread)
2020727002Spring1 (five-thread)
2120713024Thread Takeup1 (five-thread)
22207S11015Screw2 (five-thread)

Page 16 — 七、过线机构(2)/Thread Guide and Thread Takeup (2)

Jack JK-798D (73 pages) parts on page 16
RefPart numberPart nameQty
120713002Thread Guide1 / 0 / 0
220713003Thread Guide0 / 1 / 0
3207S14001Screw1 / 1 / 0
420701010Bracket1 / 1 / 0
5207S11019Screw1 / 1 / 0
620713004Thread Guide1 / 0 / 0
720713005Thread Guide0 / 1 / 0
8207S11015Screw2 / 2 / 0
9207S11019Screw1 / 1 / 0
1020713006Bracket1 / 1 / 0
1120713007Thread Retainer1 / 1 / 0
12207S20003Screw1 / 1 / 0
1320727002Spring1 / 1 / 0
1420713008Thread Takeup1 / 0 / 0
1520713009Thread Takeup0 / 1 / 0

Page 18 — 八、过线机构(3)/Thread Guide and Thread Takeup (3)

Jack JK-798D (73 pages) parts on page 18
RefPart numberPart nameQty
120712016Bracket1/1/1
220113015Thread Guide2/2/2
3201S11006Screw2/2/2
4W01011Washer2/2/2
520713010Thread Takeup1/1/1
6207S11007Screw1/1/1
720713011Thread Guide1/1/1
8207S11020Screw1/1/1
920713012Thread Guide1/1/0
1020713053Thread Guide0/0/1
1120713054Thread Guide0/0/1
1220713015Thread Takeup1/1/0
1320713055Thread Takeup0/0/1
14207S11021Screw1/1/1
1520713013Thread Guide1/1/1

Page 20 — 九、针杆部件(1)/Needle Drive Mechanism (1)

Jack JK-798D (73 pages) parts on page 20
RefPart numberPart nameQty
1400039Connection1 / 1 / 1
2207S11016Screw2 / 2 / 2
320626003Pin1 / 1 / 1
4207S14007Screw1 / 1 / 1
520704001Crank1 / 1 / 1
6S05018Screw1 / 1 / 1
720702002Shaft1 / 1 / 1
820708004Collar1 / 1 / 1
9207S14001Screw2 / 2 / 2
1020628014Washer1 / 1 / 1
11H05008Ring1 / 1 / 1
1220704002Lever1 / 1 / 1
13207S12002Screw1 / 1 / 1
142072600300Shaft Assembly1 / 1 / 1
1520726003Shaft1 / 1 / 1
1620523005Oil wick1 / 1 / 1
1820702003Needle Bar1 / 1 / 1
1920703012Bushing1 / 1 / 1
20207S14008Screw1 / 1 / 1
21001026O Ring1 / 1 / 1
2220723003Oil Felt1 / 1 / 1
2320708005Ring1 / 1 / 1
24207S11023Screw1 / 1 / 1
2520722004Plug1 / 1 / 1

Page 22 — 十一、针杆部件(3)/Needle Drive Mechanism (3)

Jack JK-798D (73 pages) parts on page 22
RefPart numberPart nameQty
1xxxxxxxxNeedle Holder Assembly0/0/1
2207S14014Screw0/0/2
320713017Thread Guide0/0/1
4207S11024Screw0/0/1
5xxxxxxxxNeedle0/0/2
6xxxxxxxxNeedle0/2/0
7xxxxxxxxNeedle Holder0/1/0
8207S14014Screw0/2/0
920713018Thread Guide0/1/0
10207S11024Screw0/1/0
11xxxxxxxxNeedle Holder Assembly1/0/0
12207S14014Screw1/0/0
1320713038Thread Guide1/0/0
14207S11024Screw1/0/0
15xxxxxxxxNeedle1/0/0

Page 24 — 十二、针杆部件(4)/Needle Drive Mechanism (4)

Jack JK-798D (73 pages) parts on page 24
RefPart numberPart nameQty
1XXXXXXXXNeedle Plate0/0/1
2207S17006Screw0/0/2
320709002Bracket0/0/1
4207S11007Screw0/0/2
520622003Cushion Rubber0/0/2
620709003Bracket0/0/1
7207S11007Screw0/0/2
8XXXXXXXXNeedle Guard0/0/1
9S01027Screw0/0/2
10XXXXXXXXNeedle Guard0/0/1
11207S12005Screw0/0/1
12W03004Spring0/0/1
13207S11002Screw0/0/1
14XXXXXXXXNeedle Guard0/0/1
15207S11007Screw0/0/1
16XXXXXXXXNeedle Guard0/0/1
17S01027Screw0/0/2
1820701033Bracket0/0/1
19207S11003Screw0/0/2
20XXXXXXXXNeedle Plate0/1/0
21207S17006Screw2/2/0
2220709002Bracket1/1/0
23207S11007Screw2/2/0
2420622003Cushion Rubber2/2/0
2520709003Bracket1/1/0
26207S11007Screw2/2/0
27XXXXXXXXNeedle Guard1/1/0
28207S11007Screw1/1/0
29XXXXXXXXNeedle Guard1/1/0
30207S12005Screw1/1/0
31W03004Spring1/1/0
32207S11002Screw1/1/0

Page 26 — 十三、上弯针部件/Upper Looper Drive Mechanism

Jack JK-798D (73 pages) parts on page 26
RefPart numberPart nameQty
1400043Connection1 / 1 / 1
2207S11016Screw2 / 2 / 2
3207S11005Screw2 / 2 / 2
420704003Crank1 / 0 / 0
5400037Crank0 / 1 / 1
6S05018Screw1 / 1 / 1
720702004Shaft1 / 1 / 1
820628006Washer1 / 1 / 1
9207S11004Screw1 / 1 / 1
10W02001Spring Washer1 / 1 / 1
1120708006Spacer0 / 1 / 0
1220622019Oil Seal1 / 1 / 1
1320708007Spacer1 / 0 / 1
1420705003Lever1 / 1 / 1
15207S12002Screw1 / 1 / 1
1620726004Pin Assy.1 / 1 / 1
1720523005Oil Weak1 / 1 / 1
18207S14010Screw1 / 1 / 1
192070403400Upper Looper Holder Assy.1 / 1 / 1
2020623005Felt1 / 1 / 1
21207S11025Screw1 / 1 / 1
22XXXXXXXXUpper Looper1 / 1 / 1
25207S11026Screw2 / 2 / 2
26400040Cover1 / 1 / 1
27207S17004Screw1 / 1 / 1
28207S11027Screw1 / 1 / 1
2920123021Oil Wick1 / 1 / 1
3020723005Felt1 / 1 / 1
3120712017Bracket1 / 1 / 1
32207S11020Screw1 / 1 / 1
3320701051Upper Looper Bracket1 / 1 / 1

Page 28 — 十五、下弯针部件/Lower Looper Drive Mechanism

Jack JK-798D (73 pages) parts on page 28
RefPart numberPart nameQty
1400043Connection1 / 1 / 1
2207S11016Screw2 / 2 / 2
3207S11005Screw2 / 2 / 2
4400329Crank1 / 1 / 0
5S05018Screw1 / 1 / 0
620702004Shaft1 / 1 / 1
720628006Washer1 / 1 / 1
8207S11004Screw1 / 1 / 1
9W02001Spring Washer1 / 1 / 1
1020622019Oil Seal1 / 1 / 1
11XXXXXXXXLower Looper1 / 1 / 1
12207S14006Screw0 / 0 / 1
13207S11028Screw1 / 1 / 1
1420704007Lower Looper Holder1 / 1 / 1
15207S20004Screw1 / 1 / 1
16207S15001Screw1 / 1 / 1
17400388Crank0 / 0 / 1
18S05018Screw0 / 0 / 1

Page 30 — 十六、二重环弯针机构(1)/Chainstitch Looper Drive Mechanism (1)

Jack JK-798D (73 pages) parts on page 30
RefPart numberPart nameQty
120705006Connection0/0/1
2B08002Needle Bearing0/0/1
320704014Crank0/0/1
420703016Bushing0/0/1
5207S12003Screw0/0/1
630228008Washer0/0/1
720709017Slider0/0/1
8207S13009Screw0/0/1
920628010Washer0/0/1
10W02001Spring Washer0/0/1
1120710008Pin0/0/1
12001027O Ring0/0/1
1320626017Shaft0/0/1
1420701034Holder0/0/1
15S05018Screw0/0/1
1620704015Crank0/0/1
17S05018Screw0/0/1
1820705008Link0/0/1
1920703016Bushing0/0/1
20207S12003Screw0/0/1
2130228008Washer0/0/1
2220702018Shaft0/0/1
233052201700Oil Seal0/0/1
24xxxxxxxxDouble Chainstith Looper0/0/1
25207S11028Screw0/0/1
2620701035Looper Holder0/0/1
27207S20004Screw0/0/1
2820728002Spacer0/0/1
29207S15001Screw0/0/1

Page 32 — 十七、二重环弯针机构 (2) /Chainstitch Looper Drive Mechanism (2)

Jack JK-798D (73 pages) parts on page 32
RefPart numberPart nameQty
120713039Thread Guide0/0/1
2207S11007Screw0/0/1
320713040Thread Guide0/0/1
420629003Holder0/0/3
52061205700Looper Thread Takeup Assy0/0/1
6207S20002Screw0/0/1
720128015Washer0/0/1
8206S30015Screw0/0/1
920612055Tension Disc0/0/2
1030127016Spring0/0/1
11206S16004Knob0/0/1
1220612056Thread Guide0/0/1
13S01031Screw0/0/1
1420629004Thread Guide0/0/1
15207S11020Screw0/0/1
1620613017Thread Guide0/0/1
17207S11020Screw0/0/1
1820612058Looper Thread Takeup0/0/1
19207S14009Screw0/0/2
2020629005Spring0/0/1
2120713026Tread Guide0/0/1
22207S11007Screw0/0/1
232061205700Looper Thread Takeup Assy0/0/1

Page 34 — 十八、差动调节机构/Feed Mechanism

Jack JK-798D (73 pages) parts on page 34
RefPart numberPart nameQty
120705004Connection1 / 1 / 1
220626003Pin1 / 1 / 1
3207S14007Screw1 / 1 / 1
4B08001Needle Bearing1 / 1 / 1
520710001Eccent1 / 1 / 1
620710002Feed Eccent1 / 1 / 1
720712018Flat Spring1 / 1 / 1
8207S14003Screw2 / 2 / 2
920710003Regulator1 / 1 / 1
10207S14012Screw2 / 2 / 2
1120710004Eccent Assembly1 / 1 / 1
1220727003Spring1 / 1 / 1
13207S20005Screw1 / 1 / 1
1420709006Ratchet1 / 1 / 1
1520702005Push Button1 / 1 / 1
1620722005Gaket1 / 1 / 1
17001027O Ring1 / 1 / 1
1820728001Washer1 / 1 / 1
1920727004Spring1 / 1 / 1
20H05018Ring1 / 1 / 1
2120705005Link1 / 1 / 1
22207S20006Screw1 / 1 / 1
2320629006Ring1 / 1 / 1
2420704008Lever1 / 1 / 1
25S05018Screw1 / 1 / 1
2620712019Lever1 / 1 / 1
27207S20007Screw1 / 1 / 1
2820702006Shaft1 / 1 / 1
2920622010O Ring1 / 1 / 1
3020627006Spring1 / 1 / 1
3120712020Regulator Plate1 / 1 / 1
32207S11008Screw2 / 2 / 2
3320711007Spacer2 / 2 / 2
342071600100Nut1 / 1 / 1
35207S30001Screw1 / 1 / 1
3620728003Spring Washer1 / 1 / 1
37207S16002Stopper2 / 2 / 2
38207S11011Screw2 / 2 / 2
3930228009Washer2 / 2 / 2
4020702007Adjusting Bar1 / 1 / 1
4120737001Seal1 / 1 / 1
42H05018Ring1 / 1 / 1
4320727005Spring1 / 1 / 1
4420709007Pin1 / 1 / 1
452070500400Connection1 / 1 / 1

Page 36 — 十九、送布机构/Feed Mechanism

Jack JK-798D (73 pages) parts on page 36
RefPart numberPart nameQty
120702008Shaft1/1/1
2H05009Ring1/1/1
320628023Plug1/1/1
420628011Washer2/2/2
52070400900Crank1/1/1
6207S13005Screw1/1/1
7207S11029Screw2/2/2
820709010Block1/1/1
920704011Crank1/1/1
10S05018Screw1/1/1
1120710005Pin1/1/1
12N01004Nut1/1/1
1320628010Washer1/1/1
1420710006Pin1/1/1
15207S13001Screw1/1/1
1620722006Gsket1/1/1
1720729002Ring1/1/1
18001026O Ring1/1/1
1920709011Block1/1/1
2020708008Collar2/2/2
21207S14001Screw2/2/2
2220705008Link1/1/1
2320703016Bushing1/1/1
24207S12003Screw1/1/1
2530228008Washer1/1/1
20706001Main Feed Bar1/1/1
27xxxxxxxxMain Feed Dog Complete1/1/1
28xxxxxxxxMain Feed Dog1/1/1
29xxxxxxxxAuxiliary1/1/1
30207S11029Screw1/1/1
31S01029Screw1/1/1
3220706002Differentrial Feed Bar1/1/1
33xxxxxxxxDifferentrial Feed Dog1/1/1
34S01029Screw1/1/1
3520709012Block1/1/1
3620701011Feed Bar1/1/1
37207S13006Screw2/2/2
3820701012Feed Bar1/1/1
39207S13006Screw2/2/2
4020701013Feed Bar Oil Seal1/1/1
4120722007Oil Seal2/2/2
42207S13007Screw2/2/2
4320721009Tube1/1/1
4420712055Clamp1/1/0
4420712062Clamp0/0/1
45207S11011Screw1/1/1
462070600100Feed Bar Assy.1/1/1

Page 38 — 二十、剪布机构/Knife Drive Mechanism

Jack JK-798D (73 pages) parts on page 38
RefPart numberPart nameQty
1400041Connection1/1/1
2207S11016Screw2/2/2
320704012Crank1/1/0
420704030Crank0/0/1
5S05018Screw1/1/1
620626003Pin1/1/1
7207S14007Screw1/1/1
830208001Collar2/2/2
9S10003Screw2/2/2
1020702009Upper Knife Lever1/1/1
--------/----/----
--------/----/----
1320726005Pin1/1/1
1420701014Upper Knife Clamp1/1/0
1520701036Upper Knife Clamp0/0/1
16207S11012Screw1/1/1
17XXXXXXXXUpper Knife1/1/1
18S01029Screw1/1/1
202070150Angled Upper Knife Clamp0/0/1
21XXXXXXXXAngled Upper0/0/1
22207S11020Screw0/0/1
2320712053Angled Upper Knife Gib0/0/1
2420712051Waste Guard0/0/1
--------/----/----
S11025Screw0/0/1
W01011Washer0/0/1
2820701015Lower Knife Holder1/1/0
2920701037Lower Knife Holder0/0/1
30S01010Screw1/1/1
3120712021Lower Knife Holder Guard1/1/1
32207S11019Screw2/2/2
3320727006Spring1/1/1
3420712022Plate1/1/1
35207S11007Screw1/1/1
36XXXXXXXXLower Knife1/1/1
3720709013Lower Knife Clamp1/1/1
38207S12004Screw1/1/1
3920701052Upper Knife Clamp (H)0/0/1

Page 40 — 二十一、拾压脚机构/Presser Foot Mechanism

Jack JK-798D (73 pages) parts on page 40
RefPart numberPart nameQty
120712023Lever1 / 1 / 1
2207S20008Screw1 / 1 / 1
320727007Spring1 / 1 / 1
420712024Stopper1 / 1 / 1
5207S11012Screw2 / 2 / 2
6207S11031Screw1 / 1 / 1
7N01004Nut1 / 1 / 1
820712025Link1 / 1 / 1
920612030Lever1 / 1 / 1
1020608004Collar1 / 1 / 1
11S05017Screw1 / 1 / 1
1220627009Spring1 / 1 / 1
1320703014Bushing1 / 1 / 1
14207S11016Screw1 / 1 / 1
1520702010Shaft1 / 1 / 1
1620701016Presser Arm1 / 1 / 1
1720626016Pin1 / 1 / 1
18S10011Screw1 / 1 / 1
19xxxxxxxxPresser Foot Assy.
20207S11030Screw1 / 1 / 1
2120712026Finge Guard1 / 1 / 1
2220712048Stopper1 / 1 / 1
23207S11009Screw1 / 1 / 1
24207S11020Screw1 / 1 / 1
2520712027Flat Spring1 / 1 / 1
26207S11032Screw1 / 1 / 1
2720719054Spring1 / 1 / 1
2820702014Adjusting Screw1 / 1 / 1
29207S16003Nut1 / 1 / 1
3020612034Lever1 / 1 / 1
31207S20009Screw1 / 1 / 1
3220627010Spring1 / 1 / 1
3320712030Stopper1 / 1 / 1
34207S11007Screw1 / 1 / 1
3520619005Chain Cutter1 / 1 / 1
36207S11020Screw1 / 1 / 1

Jack JK-798D (73 pages) — parts catalog