Jack JK-798 Spares — Part Book

Jack JK-798 Spares — parts catalog

Page 3 (diagram): This page displays a diagram of machine components with numbered references, including part numbers and model series information for specific parts.
Page 16 (parts_list): This page contains a parts list for the Thread Guide and Thread Takeup components, detailing part numbers, descriptions, and quantities for three-thread, four-thread, and five-thread configurations.
Page 17 (diagram): This page contains a diagram illustrating various sewing machine lift components, with numbered callouts for different parts and their associated part numbers and descriptions.
Page 18 (parts_list): This page contains a parts list for the Thread Guide and Thread Takeup components, detailing part numbers, descriptions, and quantities for three-thread, four-thread, and five-thread configurations.
Page 19 (diagram): This page displays a diagram of sewing machine parts for the JK798T-5-516 (H) Series and JK798T-4-514 Series, with numbered components and their corresponding part numbers and descriptions.
Page 20 (parts_list): This page lists parts for the Needle Drive Mechanism (1), including part numbers, descriptions, and quantities for three-thread, four-thread, and five-thread configurations.
Page 21 (diagram): This page contains diagrams and parts lists for the JK798T-5-516 (H) Series and JK798T-4-514 Series sewing machines.
Page 22 (parts_list): This page lists parts for the Needle Drive Mechanism (3), including part numbers, descriptions, and quantities for three-thread, four-thread, and five-thread configurations.
Page 23 (diagram): This page displays diagrams of parts for the JK798T-5-516 (H) Series and JK798T-4-514 Series sewing machines, with numbered parts indicated.
Page 24 (parts_list): This page lists parts for the Needle Drive Mechanism (4) of an industrial sewing machine, including part numbers, descriptions, and quantities for three-thread, four-thread, and five-thread configurations.
Page 25 (diagram): This page displays a diagram of various sewing machine parts, including screws, levers, and other components, with reference numbers and part numbers indicated.
Page 26 (parts_list): This page lists parts for the Upper Looper Drive Mechanism, including part numbers, descriptions, and quantities for three-thread, four-thread, and five-thread configurations.
Page 27 (diagram): This page displays a diagram of sewing machine parts, with numbered components and associated part numbers and series information.
Page 28 (parts_list): This page lists parts for the Lower Looper Drive Mechanism, including part numbers, descriptions, and quantities for three-thread, four-thread, and five-thread configurations.
Page 29 (diagram): This page displays a diagram of various sewing machine parts, identified by reference numbers, for the JK798T-5-516 (H) Series.
Page 30 (parts_list): This page lists parts for the Double Chainstitch Looper Drive Mechanism (1), including part numbers, descriptions, and quantities for three-thread, four-thread, and five-thread configurations.

Page 3

Jack JK-798 Spares parts on page 3
Ref	Part number	Part name
1	1	1
2	2	2
3	3	3
4	4	4
5	5	5
6	6	6 JK-798-3,4 Series
7	7	7
8	8	8
9	9	9
10	10	10
11	11	11
12	12	12 JK-798-5H Series
13	13	13
14	14	14
15	15	15
16	16	16
17	17	17
18	18	18
19	19	19
20	20	20
21	21	21
22	22	22

1 18 20 9 16 15 14 21 11 17 5 22 22 22 22 22 22 3 2 12 JK-798-5H Series 6 JK-798-3,4 Series 19 8 7 10 13 4 - 叟 From the library of: Superior Sewing Machine & Supply LLC jintex.in

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

Jack JK-798 Spares parts on page 16
Ref	Part number	Part name
1	20713002	过线
2	20713003	过线
3	207S14001	螺钉M4×4
4	20701010	托架
5	207S11019	螺钉M4×4.7
6	20813001	过线
7	20813032	过线
8	207S11015	螺钉M3×6
9	207S11019	螺钉M4×4.7
10	20713006	压线板
11	20713007	压线板
12	207S20003	螺钉
13	20727002	压簧
14	20813002	挑线杆
15	20813004	挑线杆
16	S02007	螺钉M3×5

七、过线机构(2)/Thread Guide and Thread Takeup (2) 序号 NO. 公司件号 Part NO. 参考件号 Ref. Part No. 名称 Description 数量 (Number) three-thread 三线四线 four-thread five-thread 五线 1 20713002 275013A 过线 Thread Guide 1 0 0 2 20713003 275013 过线 Thread Guide 0 1 0 3 207S14001 4543 螺钉M4×4 Screw 1 1 0 4 20701010 275015 托架 Bracket 1 1 0 5 207S11019 7082 螺钉M4×4.7 Screw 1 1 0 6 20813001 275051 过线 Thread Guide 1 0 0 7 20813032 275051A 过线 Thread Guide 0 1 0 8 207S11015 7062 螺钉M3×6 Screw 1 2 0 9 207S11019 7082 螺钉M4×4.7 Screw 1 1 0 10 20713006 275011 压线板 Thread Retainer 1 1 0 11 20713007 275012 压线板 Thread Retainer 1 1 0 12 207S20003 7163 螺钉 Screw 1 1 0 13 20727002 240326 压簧 Spring 1 1 0 14 20813002 275016A 挑线杆 Thread Takeup 1 0 0 15 20813004 275017A 挑线杆 Thread Takeup 0 1 0 16 S02007 7041 螺钉M3×5 Screw 1 1 0 From the library of: Superior Sewing Machine & Supply LLC jintex.in

Page 17

Jack JK-798 Spares parts on page 17
Ref	Part number	Part name
11	JK798T-4-514-M53	Standard lift.High lift
11	JK798T-4-514-M53	Extra-high lift
15	JK798T-4-514-M53	Ultra-high lift
9	JK798T-4-514-M53	Standard lift High lift
10	JK798T-4-514-M53	Extra-high lift
10	JK798T-4-514-M53	Ultra-high lift
12	JK798T-4-514-M53	Standard lift High lift
13	JK798T-4-514-M53	Extra-high lift
13	JK798T-4-514-M53	Ultra-high lift
12	JK798T-4-514-M53	Except
12	JK798T-4-514-M53	JK798T-4-514-M53

Standard lift.High lift Extra-high lift 11 Ultra-high lift 15 JK798T-4-514-M53 除外 Except JK798T-4-514-M53 12 10 Extra-high lift Ultra-high lift 9 Standard lift High lift 13 Extra-high lift Ultra-high lift 1 2 3 4 5 6 7 8

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

Jack JK-798 Spares parts on page 18
Ref	Part number	Part name
275004	20712016	托架
275047	20113015	过线
—	W01011006	螺钉
—	W01011	垫圈
275005	20713010	挑线架
7019	207S11007	螺钉M4×7.5
275006	20713011	过线
7008	207S11020	螺钉M3×4
275007	20713012	过线
275055	20713053	过线
275056	20713054	过线
275009	20713015	挑线架
275054	20713055	挑线架
7012	207S11021	螺钉M3.5×6
275010	20713013	过线

八、过线机构(3)/Thread Guide and Thread Takeup (3) 序号 NO. 公司件号 Part NO. 参考件号 Ref. Part No. 名称 Description 数量 (Number) three-thread three thread 四线 four-thread 五线 five-thread 1 20712016 275004 托架 Bracket 1 1 1 2 20113015 275047 过线 Thread Guide 2 2 2 3 W01011006 螺钉 Screw 2 2 2 4 W01011 垫圈 Washer 2 2 2 5 20713010 275005 挑线架 Thread Takeup 1 1 1 6 207S11007 7019 螺钉M4×7.5 Screw 1 1 1 7 20713011 275006 过线 Thread Guide 1 1 1 8 207S11020 7008 螺钉M3×4 Screw 1 1 1 9 20713012 275007 过线 Thread Guide 1 1 0 10 20713053 275055 过线 Thread Guide 0 0 1 11 20713054 275056 过线 Thread Guide 0 0 1 12 20713015 275009 挑线架 Thread Takeup 1 1 0 13 20713055 275054 挑线架 Thread Takeup 0 0 1 14 207S11021 7012 螺钉M3.5×6 Screw 1 1 1 15 20713013 275010 过线 Thread Guide 1 1 1 From the library of: Superior Sewing Machine & Supply LLC jintex.in

Page 19

Jack JK-798 Spares parts on page 19
Ref	Part number	Part name
1	1	BOLT
2	2	WASHER
3	3	PIN
4	4	BOLT
5	5	BRACKET
6	6	SCREW
7	7	ROD
8	8	COLLAR
9	9	SCREW
10	10	RING
11	11	RING
12	12	BRACKET
13	13	BOLT
14	14	BRACKET
15	15	SHAFT
16	16	SPRING
17	17	BRACKET
18	18	SHAFT
19	19	COLLAR
20	20	ROD
21	21	COLLAR
22	22	COLLAR
23	23	BRACKET
24	24	SCREW
25	25	BRACKET
26	26	BRACKET
27	27	NUT
28	28	COLLAR
29	29	COLLAR

JK798T-5-516 (H) Series JK798T-4-514 Series -17- From the library of: Superior Sewing Machine & Supply LLC jintex.in

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

Jack JK-798 Spares parts on page 20
Ref	Part number	Part name	Qty
	400039	针杆连杆
	207S11016	螺钉M4×16
	20626003	曲柄销
	207S14007	螺钉M4×6
	20704001	上轴曲柄
	S05018	螺钉M6×0.75×12
	20802009	上轴
	20808006	止挡圈
	207S14001	螺钉M4×4
	20628014	上刀架垫片
	H05008	挡圈8
	207S12008	针杆曲柄
	207S12002	螺钉
	2072600300	曲柄销组件
	20826006	曲柄销
	20523005	JK788油线
	20804016	曲柄(DLC处理)
	20802017	针杆
	20803004	针杆套
	207S14008	螺钉M4×5
	001026	O型圈11.5×1.5
	20723003	毛毡
	20708005	挡圈
	207S11023	螺钉M3×6
	20722004	油塞
	207S14010	螺钉
	208S11002	螺钉M3×4
	20803007	轴套
	2080201800	针杆组件(DLC处理)

九、针杆部件(1)/Needle Drive Mechanism (1) 序号 NO. 公司件号 Part NO. 参考件号 Ref. Part No. 名称 Description 数量(Number) three-thread 三线 four-thread 四线 five-thread 五线 1 400039 271000-92 针杆连杆 Connection 1 1 1 2 207S11016 7023 螺钉M4×16 Screw 2 2 2 3 20626003 271001 曲柄销 Pin 1 1 1 4 207S14007 4538 螺钉M4×6 Screw 1 1 1 5 20704001 271002-92 上轴曲柄 Crank 1 1 1 6 S05018 4533 螺钉M6×0.75×12 Screw 1 1 1 7 20802009 271003 上轴 Shaft 1 1 1 8 20808006 240308 止挡圈 Collar 1 1 1 9 207S14001 4543 螺钉M4×4 Screw 2 2 2 10 20628014 208235 上刀架垫片 Washer 1 1 1 11 H05008 202577 挡圈8 Ring 1 1 1 12 207S12008 271015-92 针杆曲柄 Lever 1 1 1 13 207S12002 7150 螺钉 Screw 1 1 1 14 2072600300 271022-91 曲柄销组件 Shaft Assembly 1 1 1 15 20826006 271021 曲柄销 Shaft 1 1 1 16 20523005 --- JK788油线 Oil wick 1 1 1 17 20804016 271016 曲柄(DLC处理) Crank 1 1 1 18 20802017 271019A 针杆 Needle Bar 1 1 1 19 20803004 271020 针杆套 Bushing 1 1 1 20 207S14008 4546 螺钉M4×5 Screw 1 1 1 21 001026 201022 O型圈11.5×1.5 O Ring 1 1 1 22 20723003 179009-05 毛毡 Oil Felt 1 1 1 23 20708005 271009-92 挡圈 Ring 1 1 1 24 207S11023 7035 螺钉M3×6 Screw 1 1 1 25 20722004 240310 油塞 Plug 1 1 1 26 207S14010 45 螺钉 Screw 1 1 1 27 208S11002 7185 螺钉M3×4 Screw 2 2 2 28 20803007 277601 轴套 Sleeve 1 1 1 29 2080201800 --- 针杆组件(DLC处理) Bushing Assy 1 1 1 -18- From the library of: Superior Sewing Machine & Supply LLC jintex.in

Page 21 — JK798T-5-516 (H) Series JK798T-4-514 Series

Jack JK-798 Spares parts on page 21
Ref	Part number	Part name
3	JK798T-5-516-A04	JK798T-5-516-A04
4	JK798T-5-516-A04	JK798T-5-516-A04
13	JK798T-3-504.505	JK798T-3-504.505
9	JK798T-4-514	JK798T-4-514

JK798T-5-516 (H) Series 2 針 (2-needle) JK798T-5-516 JK798T-5-516-A04 Except JK798T-5-516-A04 JK798T-4-514 Series 1 針 (1-needle) JK798T-3-504.505 2 針 (2-needle) JK798T-4-514 一曳九 From the library of: Superior Sewing Machine & Supply LLC jintex.in

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

Jack JK-798 Spares parts on page 22
Ref	Part number	Part name
1	XXXXXXXXX	针夹头
2	207S14014	螺钉M3×3
3	20713017	过线
4	207S11024	螺钉M2×3
5	XXXXXXXXX	机针
6	XXXXXXXXX	机针
7	XXXXXXXXX	(四线)针夹头
8	207S14014	螺钉M3×3
9	20713018	过线
10	207S11024	螺钉M2×3
11	XXXXXXXXX	(三线)针夹头
12	207S14014	螺钉M3×3
13	20713038	过线(一针)
14	207S11024	螺钉M2×3
15	XXXXXXXXX	机针

十一、针杆部件(3)/Needle Drive Mechanism (3) 序号 NO. 公司件号 Part NO. 参考件号 Ref. Part No. 名称 Description 数量 (Number) three-thread 三线 four-thread 四线 five-thread 五线 1 XXXXXXXXX XXXXXXXXX 针夹头 Needle Holder Assembly 0 0 1 2 207S14014 4554 螺钉M3×3 Screw 0 0 2 3 20713017 275030 过线 Thread Guide 0 0 1 4 207S11024 7120 螺钉M2×3 Screw 0 1 1 5 XXXXXXXXX XXXXXXXXX 机针 Needle 0 0 2 6 XXXXXXXXX XXXXXXXXX 机针 Needle 0 2 0 7 XXXXXXXXX XXXXXXXXX (四线)针夹头 Needle Holder 0 1 0 8 207S14014 4554 螺钉M3×3 Screw 0 2 0 9 20713018 275019C 过线 Thread Guide 0 1 0 10 207S11024 7120 螺钉M2×3 Screw 0 1 0 11 XXXXXXXXX XXXXXXXXX (三线)针夹头 Needle Holder Assembly 1 0 0 12 207S14014 4554 螺钉M3×3 Screw 1 0 0 13 20713038 275019A 过线(一针) Thread Guide 1 0 0 14 207S11024 7120 螺钉M2×3 Screw 1 0 0 15 XXXXXXXXX XXXXXXXXX 机针 Needle 1 0 0 From the library of: Superior Sewing Machine & Supply LLC jintex.in

Page 23

Jack JK-798 Spares parts on page 23
Ref	Part number	Part name
1	1	1
2	2	2
3	3	3
4	4	4
5	5	5
6	6	6
7	7	7
8	8	8
9	9	9
10	10	10
11	11	11
12	12	12
13	13	13
14	14	14
15	15	15
16	16	16
17	17	17
18	18	18
19	19	19
20	20	20
21	21	21
22	22	22
23	23	23
24	24	24
25	25	25
26	26	26
27	27	27
28	28	28
29	29	29
30	30	30
31	31	31
32	32	32

JK798T-5-516 (H) Series JK798T-4-514 Series From the library of: Superior Sewing Machine & Supply LLC jintex.in

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

Jack JK-798 Spares parts on page 24
Ref	Part number	Part name	Qty
	XXXXXXXX	针板
	207S17006	螺钉M4×7.5
	20709002	针板垫块(前)
	207S11007	螺钉M4×7.5
	20622003	防震垫
	20709003	针板垫块(后)
	207S11007	螺钉
	XXXXXXXX	链套针护针
	S01027	螺钉M3×6
	XXXXXXXX	护针(后)
	207S12005	螺钉
	W03004	垫圈3
	207S11002	螺钉M3
	XXXXXXXX	机针护针(前)
	207S11007	螺钉M4×7.5
	XXXXXXXX	机针护针(后)
	S01027	螺钉M3×6
	20701033	托架
	207S11003	螺钉M4×10
	XXXXXXXX	针板
	207S17006	螺钉M4×7.5
	20709002	针板垫块(前)
	207S11007	螺钉M4×7.5
	20622003	防震垫
	20709003	针板垫块(后)
	207S11007	螺钉M4×7.5
	XXXXXXXX	护针(前)
	207S11007	螺钉M4×7.5
	XXXXXXXX	护针(后)
	207S12005	螺钉
	W03004	垫圈3
	207S11002	螺钉M3

十二、针杆部件(4)/Needle Drive Mechanism (4) 序号 NO. 公司件号 Part NO. 参考件号 Ref. Part No. 名称 Name Description 数量(Number) 三线 three-thread 四线 four-thread 五线 five-thread 1 XXXXXXXX XXXXXXXX 针板 Needle Plate 0 0 1 2 207S17006 7170 螺钉M4×7.5 Screw 0 0 2 3 20709002 271010 针板垫块(前) Bracket 0 0 1 4 207S11007 7019 螺钉M4×7.5 Screw 0 0 2 5 20622003 240305 防震垫 Cushion Rubber 0 0 2 6 20709003 271011 针板垫块(后) Bracket 0 0 1 7 207S11007 7019 螺钉 Screw 0 0 2 8 XXXXXXXX XXXXXXXX 链套针护针 Needle Guard 0 0 1 9 S01027 7010 螺钉M3×6 Screw 0 0 2 10 XXXXXXXX XXXXXXXX 护针(后) Needle Guard 0 0 1 11 207S12005 7259 螺钉 Screw 0 0 1 12 W03004 240222 垫圈3 Spring 0 0 1 13 207S11002 7165 螺钉M3 Screw 0 0 1 14 XXXXXXXX XXXXXXXX 机针护针(前) Needle Guard 0 0 1 15 207S11007 7019 螺钉M4×7.5 Screw 0 0 1 16 XXXXXXXX XXXXXXXX 机针护针(后) Needle Guard 0 0 1 17 S01027 7010 螺钉M3×6 Screw 0 0 2 18 20701033 271013 托架 Bracket 0 0 1 19 207S11003 7114 螺钉M4×10 Screw 0 0 2 20 XXXXXXXX XXXXXXXX 针板 Needle Plate 0 0 1 21 207S17006 7170 螺钉M4×7.5 Screw 2 2 0 22 20709002 271010 针板垫块(前) Bracket 1 1 0 23 207S11007 7019 螺钉M4×7.5 Screw 2 2 0 24 20622003 240305 防震垫 Cushion Rubber 1 1 0 25 20709003 271011 针板垫块(后) Bracket 1 1 0 26 207S11007 7019 螺钉M4×7.5 Screw 2 2 0 27 XXXXXXXX XXXXXXXX 护针(前) Needle Guard 1 1 0 28 207S11007 7019 螺钉M4×7.5 Screw 1 1 0 29 XXXXXXXX XXXXXXXX 护针(后) Needle Guard 1 1 0 30 207S12005 7259 螺钉 Screw 1 1 0 31 W03004 240222 垫圈3 Spring 1 1 0 32 207S11002 7165 螺钉M3 Screw 1 1 0 From the library of: Superior Sewing Machine & Supply LLC jintex.in

Page 25 — JK798T-5-516(H) Series JK798T-4-514 Series

Jack JK-798 Spares parts on page 25
Ref	Part number	Part name
11	JK798T-5-516-A04	JK798T-4-514-M03, 43P2, M53, 54
13	JK798T-5-516-A04	JK798T-4-514-M03, 43P2, M53, 54
11	JK798T-5-516-A04	JK798T-4-514-M03, 43P2, M53, 54
13	JK798T-5-516-A04	JK798T-4-514-M03, 43P2, M53, 54
4	4	Standard lift
5	5	High lift Extra-high lift
6	6	6
7	7	7
8	8	8
9	9	9
10	10	10
1	1	1
2	2	2
3	3	3
12	12	12
14	14	14
15	15	15
16	16	16
17	17	17
18	18	18
19	19	19
20	20	20
21	21	21
22	22	22
25	25	25
26	26	26
27	27	27
28	28	28
29	29	29
30	30	30
31	31	31
32	32	32
33	33	33

JK798T-5-516(H) Series JK798T-4-514 Series JK798T-5-516-A04 JK798T-4-514-M03, 43P2, M53, 54 JK798T-5-516-A04 JK798T-4-514-M03, 43P2, M53, 54 Except Standard lift High lift Extra-high lift -23- From the library of: Superior Sewing Machine & Supply LLC jintex.in

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

Jack JK-798 Spares parts on page 26
Ref	Part number	Part name	Qty
	400043	弯针连杆
	207S11016	螺钉M4×16
	207S11005	螺钉M4×17.5
	20704003	上弯针球曲柄
	400037	上弯针球曲柄
	S05018	螺钉M6×0.75×12
	20702004	上弯针轴
	20628006	垫圈
	207S11004	螺钉M4×10
	W02001	上弯针垫圈
	20708006	衬套
	20622019	油封
	20708007	衬套A
	20705003	连杆
	207S12002	螺钉
	20726004	曲柄销
	20523005	JK788油线
	207S14010	螺钉M3×4
	2070403400	上弯针滑杆组件
	20623005	上弯针滑杆套油毡
	207S11025	螺钉M3.5×6.7
	XXXXXXXXX	上弯针
	207S11026	螺钉M6×16
	400040	盖板
	207S17004	螺钉M2.5×6
	207S11027	螺钉M2.5×8
	20123021	JK795油线
	20723005	吸油棉
	20712017	压板
	207S11020	螺钉M3×4
	20701051	上弯针滑块座

十三、上弯针部件/Upper Looper Drive Mechanism 序号 NO. 公司件号 Part NO. 参考件号 Ref. Part No. 名称 Description 数量 (Number) 三线 three-thread 四线 four-thread 五线 five-thread 1 400043 271500-92 弯针连杆 Connection 1 1 1 2 207S11016 7023 螺钉M4×16 Screw 2 2 2 3 207S11005 7022 螺钉M4×17.5 Screw 2 2 2 4 20704003 271502-92 上弯针球曲柄 Crank 1 0 0 5 400037 271503-92 上弯针球曲柄 Crank 0 1 1 6 S05018 4533 螺钉M6×0.75×12 Screw 1 1 1 7 20702004 271504 上弯针轴 Shaft 1 1 1 8 20628006 240338 垫圈 Washer 1 1 1 9 207S11004 7174 螺钉M4×10 Screw 1 1 1 10 W02001 303067 上弯针垫圈 Spring Washer 1 1 0 11 20708006 210122 衬套 Spacer 0 1 0 12 20622019 210586A 油封 Oil Seal 1 1 1 13 20708007 210122A 衬套A Spacer 1 1 1 14 20705003 271505-92 连杆 Lever 1 1 1 15 207S12002 7150 螺钉 Screw 1 1 1 16 20726004 179137-05 曲柄销 Pin Assy. 1 1 1 17 20523005 JK788油线 Oil Weak 1 1 1 18 207S14010 4545 螺钉M3×4 Screw 1 1 1 19 2070403400 271517-91 上弯针滑杆组件 Upper Looper Holder Assy. 1 1 1 20 20623005 179130-05 上弯针滑杆套油毡 Felt 1 1 1 21 207S11025 7054 螺钉M3.5×6.7 Screw 1 1 1 22 XXXXXXXXX XXXXXXXXX 上弯针 Upper Looper 1 1 1 23 24 25 207S11026 4510 螺钉M6×16 Screw 2 2 2 26 400040 271511 盖板 Cover 1 1 1 27 207S17004 7039 螺钉M2.5×6 Screw 1 1 1 28 207S11027 7033 螺钉M2.5×8 Screw 1 1 1 29 20123021 JK795油线 Oil Wick 1 1 1 30 20723005 2745890 吸油棉 Felt 1 1 1 31 20712017 2745880 压板 Bracket 1 1 1 32 207S11020 7008 螺钉M3×4 Screw 1 1 1 33 20701051 271510B 上弯针滑块座 Upper Looper Bracket 1 1 1 -24- From the library of: Superior Sewing Machine & Supply LLC jintex.in

Page 27

Jack JK-798 Spares parts on page 27
Ref	Part number	Part name
4	JK798T-4-514	Series
17	JK798T-5-516	(H) Series
1	1	SCREW
2	2	SCREW
3	3	SCREW
5	5	SCREW
6	6	SHAFT
7	7	WASHER
8	8	SCREW
9	9	WASHER
10	10	RING
11	11	LEVER
12	12	SCREW
13	13	SCREW
14	14	SCREW
15	15	SCREW
16	16	SCREW
18	18	SCREW

JK798T-4-514 Series JK798T-5-516 (H) Series From the library of: Superior Sewing Machine & Supply LLC Jinttex.in

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

Jack JK-798 Spares parts on page 28
Ref	Part number	Part name
271500-92	400043	弯针连杆
7023	207S11016	螺钉M4×16
7022	207S11005	螺钉M4×17.5
27200-92	400329	下弯针球曲柄
4533	S05018	螺钉M6×0.75×12
271504	20702004	下弯针轴
240338	20628006	垫圈
7174	207S11004	螺钉M4×10
303067	W02001	上弯针垫圈
210586A	20622019	油封
XXXXXXXXXX	XXXXXXXXXX	下弯针
4514	207S14006	螺钉M5×5
7168	207S11028	螺钉M3.5×6.5
272001-92	20704007	下弯针架
7055	207S20004	螺钉M4×13
7169	207S15001	螺钉M4×7
273511-92	400388	下弯针球曲柄
4533	S05018	螺钉M6×0.75×12

十五、下弯针部件/Lower Looper Drive Mechanism 序号 NO. 公司件号 Part NO. 参考件号 Ref. Part No. 名称 Description 数量 (Number) three-thread 三线 four-thread 四线 five-thread 五线 1 400043 271500-92 弯针连杆 Connection 1 1 1 2 207S11016 7023 螺钉M4×16 Screw 2 2 2 3 207S11005 7022 螺钉M4×17.5 Screw 2 2 2 4 400329 27200-92 下弯针球曲柄 Crank 1 1 0 5 S05018 4533 螺钉M6×0.75×12 Screw 1 1 0 6 20702004 271504 下弯针轴 Shaft 1 1 1 7 20628006 240338 垫圈 Washer 1 1 1 8 207S11004 7174 螺钉M4×10 Screw 1 1 1 9 W02001 303067 上弯针垫圈 Spring Washer 1 1 1 10 20622019 210586A 油封 Oil Seal 1 1 1 11 XXXXXXXXXX XXXXXXXXXX 下弯针 Lower Looper 1 1 1 12 207S14006 4514 螺钉M5×5 Screw 0 0 1 13 207S11028 7168 螺钉M3.5×6.5 Screw 1 1 1 14 20704007 272001-92 下弯针架 Lower Looper Holder 1 1 1 15 207S20004 7055 螺钉M4×13 Screw 1 1 1 16 207S15001 7169 螺钉M4×7 Screw 1 1 1 17 400388 273511-92 下弯针球曲柄 Crank 0 0 1 18 S05018 4533 螺钉M6×0.75×12 Screw 0 0 1 From the library of: Superior Sewing Machine & Supply LLC jintex.in

Page 29 — JK798T-5-516 (H) Series

Jack JK-798 Spares parts on page 29
Ref	Part number	Part name
8	8	Screw
10	10	Washer
9	9	Screw
7	7	Bracket
13	13	Shaft
12	12	Screw
11	11	Washer
6	6	Screw
5	5	Washer
4	4	Bush
3	3	Connecting Rod
1	1	Crank
2	2	Gear
14	14	Lever
15	15	Shaft
16	16	Screw
17	17	Lever
18	18	Screw
19	19	Washer
21	21	Screw
20	20	Washer
22	22	Shaft
23	23	Bearing
26	26	Lever
27	27	Screw
28	28	Bracket
24	24	Lever
25	25	Screw
29	29	Screw

JK798T-5-516 (H) Series From the library of: Superior Sewing Machine & Supply LLC jintex.in

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

Jack JK-798 Spares parts on page 30
Ref	Part number	Part name	Qty
	20705006	连杆
	B08002	滚针
	20704014	曲柄
	20703016	连杆套
	207S12003	螺钉M5×13
	30228008	垫圈
	20709017	滑块座
	207S13009	螺钉M5×12
	20628010	送布曲柄垫圈
	W02001	上弯针垫圈
	20710008	偏心销
	001027	0型圈4×1.3
	20626017	五线销
	20701034	支架
	S05018	螺钉M6×0.75×12
	20704015	链线曲柄
	S05018	螺钉M6×0.75×12
	20705008	连杆
	20703016	连杆套
	207S12003	螺钉M5×13
	30228008	垫圈
	20702018	链线轴
	3052201700	油封
	XXXXXXXX	弯针
	207S11028	螺钉M3.5×6.5
	20701035	弯针架
	207S20004	螺钉M5×13
	20728002	垫片
	207S15001	螺钉M4×7

十六、二重环弯针机构(1)/Chainstitch Looper Drive Mechanism (1) 序号 NO. 公司件号 Part NO. 参考件号 Ref. Part No. 名称 Description 数量 (Number) 三线 three-thread 四线 four-thread 五线 five-thread 1 20705006 273500 连杆 Connection 0 0 1 2 B08002 205015 滚针 k22×18×8 Needle Bearing 0 0 1 3 20704014 273501 曲柄 Crank 0 0 1 4 20703016 179160-05 连杆套 Bushing 0 0 1 5 207S12003 7056 螺钉M5×13 Screw 0 0 1 6 30228008 204115 垫圈 Washer 0 0 1 7 20709017 273502 滑块座 Slider 0 0 1 8 207S13009 4531 螺钉M5×12 Screw 0 0 1 9 20628010 240062 送布曲柄垫圈 Washer 0 0 1 10 W02001 303067 上弯针垫圈 Spring Washer 0 0 1 11 20710008 252515 偏心销 Pin 0 0 1 12 001027 208949 0型圈4×1.3 O Ring 0 0 1 13 20626017 273504 五线销 Shaft 0 0 1 14 20701034 273505-92 支架 Holder 0 0 1 15 S05018 4533 螺钉M6×0.75×12 Screw 0 0 1 16 20704015 273509-92 链线曲柄 Crank 0 0 1 17 S05018 4533 螺钉M6×0.75×12 Screw 0 0 1 18 20705008 272517 连杆 Link 0 0 1 19 20703016 179160-05 连杆套 Bushing 0 0 1 20 207S12003 7056 螺钉M5×13 Screw 0 0 1 21 30228008 204115 垫圈 Washer 0 0 1 22 20702018 273506 链线轴 Shaft 0 0 1 23 3052201700 204052A 油封 Oil Seal 0 0 1 24 XXXXXXXX XXXXXXXX 弯针 Double Chainstith Looper 0 0 1 25 207S11028 7168 螺钉M3.5×6.5 Screw 0 0 1 26 20701035 273510-92 弯针架 Looper Holder 0 0 1 27 207S20004 7055 螺钉M5×13 Screw 0 0 1 28 20728002 240337 垫片 Spacer 0 0 1 29 207S15001 7169 螺钉M4×7 Screw 0 0 1 From the library of: Superior Sewing Machine & Supply LLC jintex.in

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