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Parts index — Typical GC6180tap a row to open its page

Page 4 — BELT COVER INSTALLATION (Fig. 7) ADJUST THE OPENING TIME OF THE TENSION DISCS (Fig. 8) THREADING (Fig. 9)

Typical GC6180 parts on page 4
RefPart numberPart nameQty
AAscrew
BBscrew
CCbelt cover
DDbelt cover
EEbelt cover
AAscrew
DDtension releasing cam
11needle
22needle bar
33thread
44thread
55balance wheel
66thread
77thread
88thread
99presser foot
1010bobbin thread
1111needle thread

Page 7 — 13. ADJUSTMENT OF STITCH LENGTH AND REVERSE FEEDING (Fig. 17) 14. ADJUSTING THE POSITION OF FEED DOG AND NEEDLE (Fig. 18, 19)

Typical GC6180 parts on page 7
RefPart numberPart nameQty
AModel
M
2
H
1.8
B
1.8

Page 8

Typical GC6180 parts on page 8
RefPart numberPart nameQty
Afixed knife support asm.
Bknife support asm. (left)
Cthread cutting cam.
Dthread cutting electromagnet.
Esoft thread.
Felectromagnet asm.
Gstopper.
H, Ithread cutting cam crank.
Jcutter driving shaft.
Kcutter driving crank.
Lknife (left).
Mfixed knife.
Nthread retainer.

Page 9

Typical GC6180 parts on page 9
RefPart numberPart nameQty
AAscrew
BBleft knife support asm. (left)
CCHook Shaft Bushing
AAscrew
BBfixed knife support asm.
AAthe blade
BBthe fixed knife
CCthe knife (left)
AACutter Link Lever

Page 10 — 22. POSITION OF THE CUTTER DRIVING SHAFT (Fig. 27)

Typical GC6180 parts on page 10
RefPart numberPart nameQty
aModel

Page 11 — 25. INSTALLING THREAD CUTTING CAM (Fig. 29. 30. 31. 32. 33)

Typical GC6180 parts on page 11
RefPart numberPart nameQty
29APositioning Mark
29BPositioning Mark
30AThread Cutting Cam
30BRoller
31ACam Driving Crank
31BCam
32ACam
32BRoller
32CCutter driving shaft
32DCam Driving Crank
33AScrew

Page 12 — 26. ADJUSTING KNIFE CUTTING ENGAGEMENT (Fig. 34. 35) 27. ADJUSTING CUTTING PRESSURE (Fig. 36. 37)

Typical GC6180 parts on page 12
RefPart numberPart nameQty
Ma
Ha
Ba

Page 14 — 31. REVERSE STITCH SWITCH (Fig. 42) 32. THREAD RETAINING DEVICE (Fig43. 44. 45)

Typical GC6180 parts on page 14
RefPart numberPart nameQty
(2)AThread Retainer Asm
(2)BThread Retainer
(2)CScrew
(2)Dmagnet

Page 15 — 33. HOOK. BOBBIN CASE AND BOBBIN (Fig46. 47)

Typical GC6180 parts on page 15
RefPart numberPart nameQty
46Ahook
47Bspring

Page 16

Typical GC6180 parts on page 16
RefPart numberPart nameQty
11Screw
22Screw
33Screw
44Screw
55Cover
66Cover
77Screw
88Screw
99Cover
1010Screw
1111Screw
1212Screw
1313Screw
1414Screw
1515Screw
1616Screw
1717Screw
1818Screw
1919Screw
2020Screw
2121Screw
2222Screw
2323Screw
2424Screw
2525Screw
2626Screw
2727Screw
2828Screw
2929Screw
3030Screw
3131Screw
3232Screw
3333Screw
3434Screw
3535Screw
3636Screw
3737Screw
3838Screw
3939Screw
4040Screw
4141Screw
4242Screw

Page 17 — 1. ARM AND BED MECHANISM

Typical GC6180 parts on page 17
RefPart numberPart nameQty
22T1-021G3Screw2
22T1-021G1Slide plate1
48T1-005Leg3
GB93-87-6Spring washer 63
124T1-002B1Face plate1
124T1-002B2Face plate gasket1
22T1-003C3Rubber plug3
22T1-003C4Rubber plug3
22T1-003C5Thread guide on face plate1
78T1-004C1Thread guide on face plate1
22T1-003C6Screw1
22T1-004Screw1
22T1-008HOil check window1
108200009Three guide pole1
57T1-008Ruler plug1
36T2-006D1Pretension thread guide1
36T2-006D2Thread tension stud1
22T1-009E3Thread tension disc2
36T2-006D3Tension spring for pretension1
36T2-006D4Thread tension nut1
124T1-006Set screw1
22T1-012F1Thread tension stud1
124T1-003C1Thread tension nut1
124T1-003C2Thread tension spring1
48T1-003A1Thread tension spring1
22T1-012F4Thread tension releasing disc1
22T1-012F5Thread tension disc2
22T1-012F6Thread take -up spring1
48T1-003A2Thread take -up spring1
22T1-012F7Thread tension regulator bushing1
22T1-012F8Screw1
22T1-012F9Thread tension rleasing pin1
22T1-012F10Stop disc1
22T1-012F11O-type ring1
22T1-013Set screw1
22T1-014Thread guide1
78T1-005Thread guide1
22T1-015Rubber plug2
22T1-016Rubber plug1
36T2-007Thread take -up lever guard1
78T2-002Thread take -up lever guard1
22T2-004Screw1
124T1-005Needle plate (B1.8)1
48T1-004Needle plate (B2.0)1
48T1-006Needle plate (B2.6)1
153100004Needle plate1
153100002Needle plate1
020100002Screw2
22T1-012G2Slide plate spring1
1241-004Screw2

Page 18

Typical GC6180 parts on page 18
RefPart numberPart nameQty
11COLLAR
22SCREW
33SHAFT
44COLLAR
55BEARING
66COLLAR
77COLLAR
88COLLAR
99COLLAR
1010COLLAR
1111SHAFT
1212COLLAR
1313COLLAR
1414COLLAR
1515COLLAR
1616SHAFT
1717COLLAR
1818COLLAR
1919SCREW
2020COLLAR
2121COLLAR
2222COLLAR
2323COLLAR
2424BRACKET
2525BRACKET
2626COLLAR
2727COLLAR
2828COLLAR
2929COLLAR
3030SHAFT
3131COLLAR
3232COLLAR
3333COLLAR
3434COLLAR
3535COLLAR
3636SHAFT
3737COLLAR
3838NEEDLE BAR
3939COLLAR
4040BRACKET
4141COLLAR
4242COLLAR
4343COLLAR
4545SCREW
4646COLLAR

Page 19 — 2. ARM SHAFT AND VERTICAL SHAFT AND THREAD TAKE-UP MECHANISM

Typical GC6180 parts on page 19
RefPart numberPart nameQty
153310001Arm shaft1
22T3-001A2Rubber plug1
22T3-002B1Collar for arm shaft1
22T2-005B2Screw2
22T3-003Arm shaft bushing (left)1
22T3-004Arm shaft bushing (middle)1
22T2-002Screw3
108300005Arm shaft bushing (right)1
124T3-003C2Oil seal1
22T2-006Screw1
36T3-003Eccentric wheel1
114T3-001Eccentric wheel screw1
22T1-013Eccentric wheel screw2
36T3-004Spacer1
22T3-009D1cCrank rod for lifting rock shaft1
36T3-004Spacer1
22T3-010E1Vertical shaft1
ZOA140379Bevel gear for arm shaft1
ZOA140380Bevel gear for vertical shaft (upper)8
22T2-005B3Set screw1
ZOA140383Bevel gear for hook shaft1
ZOA140382Bevel gear for vertical shaft (lower)1
22T3-011Vertical shaft bushing (upper)1
22T3-012Vertical shaft bushing (lower)1
78T3-002Vertical shaft bushing (lower)1
22T2-001ANeedle bar link asm1
48T2-001ANeedle bar link asm1
78T2-001ANeedle bar link asm1
22T2-002Screw1
22T2-005BNeedle bar crank1
48T2-002BNeedle bar crank1
22T2-005B2Screw1
22T2-006Screw1
22T2-007Set screw1
22T2-008Needle bar bushing (upper)1
22T2-009Screw1
22T2-010Felt plug1
22T2-011Rubber plug1
22T2-012C1Needle bushing (lower)1
124T2-006Needle bushing (lower)1
22T2-012C2Thread guide1
22T2-014Needle bar1
78T2-004Needle bar1
153200001Needle bar1
22T2-015Thread guide for needle bar1
48T2-004Thread guide for needle bar1
DB x 1 14#Needle1
DP x 5 18#Needle1
DP x 1 22#Needle1
DP x 5 14#Needle1
22T2-017Screw1
36T3-005EGuide rail for slide block1
22T2-020Slide block1
22T2-019Set screw2
100T6-012Screw3
124T3-001A2Screw1
22T3-008Screw1
124T3-001A5Oil seal1

Page 21 — 3. FEEDING AND FEED LIFTING AND ROTATING HOOK MECHANISM

Typical GC6180 parts on page 21
RefPart numberPart nameQty
22T6-001A3Feed dog1
1536000001Feed dog1
22T6-0012Feed dog1
36T4-001A1aFeed bar1
22T6-001A6Washer1
36T4-001A2Shaft for feed bar1
22T6-001A4Screw2
22T6-001A1aFeed rock shaft1
22T6-001A1bScrew2
22T2-019Screw1
124T6-002Feed rock shaft2
GB894-86-15C-type stop ring1
22T6-004Bushing for feed rock shaft2
22T6-005B1Collar for feed rock shaft2
22T3-002B2Screw4
36T4-003Feed rock shaft crank (right)1
114T4-001Feed rock shaft crank (right)1
36T4-004H01Pin1
36T5-008E5Screw1
22T6-008D3Screw1
36T4-005BBobbin case complete1
78T4-004FBobbin case complete1
36T4-006Bobbin1
78T4-005Bobbin1
36T4-007CRotating hook complete1
78T4-002Rotating hook complete1
36T4-008D1Hook shaft1
120T4-001Hook shaft1
22T4-001A1a1Filter screw1
22T4-001A1a2Filter1
36T4-009GOil seal1
36T4-010Hook shaft bushing(left)1
22T4-005Adjusting screw1
22T4-006Coil spring1
36T4-011E1Thread cutting cam1
36T4-011E2Screw1
36T4-012Hook shaft bushing(middle)2
22T4-002B1Collar for hook shaft1
22T2-009Screw2
36T4-014F1Hook shaft bushing(right)1
22T4-007C2Oil pipe for hook shaft bushing1
36T4-015Plunger1
36T4-016Plunger spring1
22T4-010Guide plate1
78T4-006Guide plate1
22T5-001A4Screw1
22T6-008D2Hinge pin1
36T4-017Feed lifting rock shaft crank(right)1
22T6-016Screw2
22T6-012Bushing for feed lifting shaft(left)1
22T2-002Screw1
36T4-018H1D1Feed lifting fork1
124T6-003Feed lifting rock shaft1
22T4-013Hook positioner1
48T4-002Hook positioner1
78T4-003Hook positioner1
22T4-015Screw1
22T2-009Screw1
22T1-002Screw1
22T6-008D3Screw1
GB93-87-6Washer1

Page 22

Typical GC6180 parts on page 22
RefPart numberPart nameQty
1Screw
2Lever
3Bracket
4Rod
5Shaft
6Shaft
7Shaft
8Spring
9Spring
10Screw
11Bracket
12Shaft
13Shaft
14Shaft
15Shaft
16Shaft
17Lever
18Screw
19Screw
20Screw
21Screw
22Shaft
23Shaft
24Shaft
25Screw
26Screw
27Washer
28Shaft
29Shaft
30Gear
32Screw
33Screw
34Shaft
35Shaft
38Bracket
39Screw
40Screw
41Shaft
42Screw
43Shaft
44Shaft
45Screw
46Screw
47Screw
48Screw
49Screw
50Screw
51Screw
52Screw

Page 23 — 4. STITCH LENGTH REGULATING MECHANISM

Typical GC6180 parts on page 23
RefPart numberPart nameQty
36T5-001Set pin1
36T5-002A1Feed regulator1
114T5-001Feed regulator1
36T5-002A2Spring retainer1
22T2-019Screw2
36T5-002A3Link1
36T5-002A4Pin1
GB896-85-4Split retaining ring1
36T5-002A5Coil spring1
36T5-002A6Spring holder1
22T6-008D3Screw1
22T5-010D4Screw1
22T5-003Bushing for feed regulator1
22T5-004Pin shaft1
36T5-003Rubber plug1
22T2-002Set screw1
36T5-004B1Reverse sewing crank1
36T5-004B2Reverse sewing crank shaft1
36T5-004B3Coil spring1
22T5-013Screw1
36T5-005Spring holder1
22T5-001A4Screw1
22T5-010D1Reverse sewing lever1
36T5-006C1a1Shaft for reverse sewing lever1
GB3452.1-92O-type ring 6.3×1.8d1
22T5-010D2Screw2
22T5-010D4Screw1
22T5-011Washer1
124T5-001A2Screw bar1
124T5-001A3O-type rubber ring1
27500001Dial1
124T5-001A5Dial1
36T5-007D4Bushing1
36T5-007D5Screw1
36T5-012Thrust pin1
22T5-009Coil spring1
36T5-008E2Feed link1
36T5-008E3Stitch length regulating link1
36T4-004H02Pin (Long)1
36T5-008E4H02Link (Long)2
114T5-003Link (Long)2
36T5-008E5Screw1
36T5-008E4H01Link (short)2
36T5-008E6pin (short)1
36T5-008E7Screw1
36T5-008E8Screw1
36T5-008E9Eccentric shaft1
36T5-008E10Stitch length adjusting crank1
36T5-009H02Set pin (left)1
22T6-008D3Screw1
36T5-009H01Set pin (right)1
22T6-008D3Screw1

Page 24

Typical GC6180 parts on page 24
RefPart numberPart nameQty
1Lever
2Screw
3Lever
4Screw
5Bracket
6Screw
7Washer
8Presser Foot Bar
9Lever
10Screw
11Rod
12Lever
13Spring
14Shaft
15Screw
16Screw
17Lever
18Spring
19Spring
20Tension Nut
21Tension Disc
22Tension Disc
23Thread Tension Assembly
24Lever
25Screw
26Lever
27Lever
28Lever
29Screw

Page 25 — 5. PRESSER FOOT MECHANISM

Typical GC6180 parts on page 25
RefPart numberPart nameQty
36T6-001A1Presser bar lifter1
J0.0.35Screw1
36T6-002B1Presser bar lifting cam1
GB3452.1-92Oil seal (4.5×1.8G)1
36T6-003C1a1Knee lifter lever (left)1
22T7-004B1bTension releasing cam1
22T7-004B1cScrew1
22T7-004B2Screw2
22T7-004B3Knee lifter rod1
22T7-005Screw1
36T6-004Thread releasing pin1
22T7-007C1Knee lifter lever (right)1
22T7-007C2Coil spring1
22T7-007C3Knee lifter connecting rod1
22T7-008Pin for spring1
22T7-009Bushing for presser bar1
22T7-010Presser bar1
22T7-011D1Presser bar guide bracket1
22T1-013Screw1
22T7-012Presser bar spring guide1
48T7-002Presser bar spring1
22T7-014E1Thumb screw1
22T7-014E2Lock nut1
22T7-015Screw1
22T7-017FPresser foot asm1
48T7-003APresser foot asm1
027701100Presser foot asm1
22T7-16Thread guide1
22T2-004Screw1
57T7-002Presser foot spring1
22T7-007C4Screw1

Page 26 — 6. KNIFE ACTUATING MECHANISM

Typical GC6180 parts on page 26
RefPart numberPart nameQty
36T8-009Pin1
GB896-85-4Split retaining ring2
36T7-001A1Flexible driving lever1
36T7-001A2Screw1
J0.0.16Nut1
36T7-001A3Bracket for flexible bracket1
36T7-001A4Screw1
36T7-001A5Flexible wire connecting bracket1
36T7-001A6Screw2
36T7-001A7Holder for flexible wire1
165710000Solenoid assy for thread trimmer1
36T7-001A8bSolenoid mounting bracket1
GB68-85-M4x6Screw3
36T7-002B1a1knife holding saddle1
36T7-002B1a2knife base (left)1
120T7-001A1knife base (left)
36T7-002B1a3Washer1
36T7-002B1a4Screw3
36T7-002B2Blade(left)1
120T7-001A2Blade(left)
36T7-002B3Set screw2

Page 27 — 6. KNIFE ACTUATING MECHANISM

Typical GC6180 parts on page 27
RefPart numberPart nameQty
3677-002B4Knife driving crank1
61-04-01/B6Screw1
3677-002B6Link1
3677-002B7Screw2
3677-002B7Nut2
3677-003C1Cam follower crank(1)1
3677-003C2Cam follower crank(2)1
3677-003C3Roller stud2
3677-003C4Roller stud2
3677-003C5Nut stud2
3677-004Knife driving shaft1
120T7-002Knife driving shaft1
3677-005Coil spring1
3677-006Bushing1
165720004Stopper1
165720001Stopper plate1
GB6172-86-6Nut1
165720002Screw1
3677-009E1Thread guide1
120T7-003B1Thread guide1
J0.0.72Screw1
3677-009E2Bracket for fixed blade1
3677-009E3Fixed knife1
120T7-003B2Fixed knife1
3677-009E4Set screw1
3677-009E5Adjusting screw1
3677-009E6Adjusting nut1
3678-002Set Screw2
3677-010FFlexible wire asm1
3677-011GEarth wire asm1
3677-012Plug1
3677-013Rubber sleeve1
3677-014Wire clamp1
GB848-86Washer1
GB54-86-M5Nut2
22T2-019Screw 4.37 x 40/88
3678-002Screw2
22T5-010D4Screw3
36T9-001A2a2Pin2
3677-001A9Coil spring1
3677-001A10Collar for driving lever1
3675-008E8Screw2
3677-015H1Collar for knife driving shaft1
22T3-002B1Screw1
3677-016Coil spring1
3677-017Guard for plug1
165720003Rubber washer1
1657100001Rubber washer1
GB96-85-5Washer1
GB96-86-12Split retaining ring1
3677-001A8a1Washer1

Page 28 — 7. REVERSE SEWING AND DETECTOR MECHANISM

Typical GC6180 parts on page 28
RefPart numberPart nameQty
1108910000Detector componts1
1108930000Detector componts1
236T7-013Rubber plug1
322T2-019Screw2
422T1-006Screw6
522T1-007Washer6
6165A20001Detector presser plate1
7GB896-86Split washer 42
836T8-009Pin1
936T8-008E4bElectric - magnet for reverse sewing1
10GB848-85-4Washer2
11GB893-87Spring washer 32
1236T8-005Cord holder1
13108800101Wire clamp1
13108800201Wire clamp1
13108800301Wire clamp1
1436T8-007C1Switch bracket1
1536T8-007C2aButton asm1
1636T8-007C3bCable for switch at reverse sewing1
17GB869-86-2Spring washer 22
18GB848-86-2Washer 22
19GB818-85-M2x8Screw2
2036T8-007C4Micro switch1
21GB66-76Screw1
2236T8-007C5Leaf spring1
23GB896-86-3Split retaining ring2
2436T8-007C6Coil spring1
2636T8-008E1Gasket1
27165820001Side cover1
2822T6-008D3Screw2
29165320001Balance wheel asm1
3036T8-004B1Screw1
3136T8-004B2Washer1

Page 29 — 8. WIPER MECHANISM

Typical GC6180 parts on page 29
RefPart numberPart nameQty
36T9-001A1Wire connector1
36T9-001A2aWire1
36T9-001A3Cord clamp1
GB848-86-3Washer8
GB859-86-3Washer8
GB818-86Screw M3 x68
36T9-001A4Solenoid bracket1
36T9-001A5Cover for wiper mech1
36T9-001A6Solenoid for wiper1
36T9-001A7Coil spring1
GB896-86-9Retaining ring1
36T9-001A8Rubber ring1
36T9-001A9Switch for wiper1
36T9-001A10Washer1
36T9-002Screw1
22T5-001A4Screw2
36T9-003Washer2
36T9-004B1Wiper bracket1
036921008Wiper shaft asm1
G896-86-4Retaining ring2
36T9-004B3Wiper1
22T6-001A4Screw1
36T9-004B4Link1
036921006Washer1
36T9-005Screw2
036921007Shaft1
036921005Washer1
GB6170-86Nut M31
165900001Rubber washer1

Page 30 — 9. OIL PUMP MECHANISM

Typical GC6180 parts on page 30
RefPart numberPart nameQty
122T8-001Oil pump1
222T8-002Oil pump impeller1
322T8-003Screw1
422T8-004Screw3
5GB93-87-3Springee washer1
622T8-006Oil pump fitting plate1
722T8-007Oil adjusting plate1
822T8-008AOil pump screen asm1
922T8-009Screw3
1036T10-001AOil pump for hook shaft1
1122T8-011COil braid fitting plate1
1222T8-012Screw2
1322T8-013DOil pump for arm shaft1
1422T8-014Oil return pipe1
1522T8-015Felt pouch for return oil filter1
1636T10-002Oil filter holder1

Page 31 — 10. OIL RESERVOIR AND ACCESSORIES

Typical GC6180 parts on page 31
RefPart numberPart nameQty
36T11-001AOil reservoir asm1
22T9-001A2Screw1
22T9-001A3Washer1
22T9-001A5Oil gasket1
22T9-003B1Knee lifter lifting pin1
124T9-003BBelt cover1
124T9-004CBelt cover (S)1
6F0Thread winder asm(large hook)1
GXJ-2Thread spool asm1
22T9-007FHinge with rubber cushion2
22T9-009Cushion(B)2
22T9-010Cushion(S)2
22T9-011Oil pot1
22T9-012Magnet block1
22T9-013Screw drive (long)1
22T9-015Screw drive (short)1
36T11-006Allen wrench M41
36T11-006Allen wrench M61
22T9-016Double open-end wrench1
22T9-017Oil tank1
22T9-018Machine head cover1
22T9-024Needle bag1

Typical GC6180 — parts catalog

Page 1

TYPICAL INSTRUCTION BOOK // PARTS CATALOGUE GC6180 HIGH-SPEED LOCKSTITCH SEWING MACHINE WITH DROP FEED jintex.in

Page 2

NOTE (Fig. 1) Before putting a new machine into operation, remove the plugs(A) on the top of the arm and replenish sufficient amount of oil, then lift the presser foot and run the machine at a low speed of 2000 spm to check oil distributing condition through oil check window. When lubricating is normal, keep the machine run in at this speed for 30 minutes, then increase the running speed gradually. After one month run - in operation, the machine can be run at the Max speed under normal working condition. 1 1. OIL FILLING (Fig. 2) (1) The oil amount in the oil reservoir is controlled through the reference marks A and B shown in Fig2. The mark A indicates the max oil amount level, the mark B for the min. oil amount level. If the oil amount level is under the mark B replenish the oil reservoir with oil in time. (2) When filling oil, loosen the oil draining screw (c), drain off the remaining oil in the oil reservoir completely, clean the oil reservoir and tighten the oil draining screw(c), then fill the oil reservoir with fresh oil. 2 2. ROTATING HOOK OIL AMOUNT ADJUSTMENT (Fig. 3) Adjust the oil amount of the rotating hook by turning the oil amount adjusting screw (A). Turn the screw (A) clockwise (in the "+" direction ) to increase the oil amount ; turn it counter-clockwise (in the "-" direction ) to decrease the oil amount. 3 jintex.in

Page 3

3. OIL PUMP ADJUSTMENT (Fig. 4) In ordinary operation, adjustment is not re- quired for the oil pump, If oil splashing does not occur in the oil check window when the machine runs at a low speed, close the clear- ance of the bypass oil hole. Adjusting plate 4 0.5-1.0mm standard clearance Bypass Oil hole 4. NEEDLE INSTALLATION (Fig. 5) Turning the balance wheel to lift the nee- dle bar to the upper end of its stroke. Loosen the needle clamp screw while keeping the long groove of the needle leftward, fully insert the needle shank up to the bottom of the needle socket, then tighten the needle clamp screw. 5 5. CONNECTION OF THE CLUTCH LEVER WITH THE PEDAL (Fig. 6) (1) The optimum tilt angle of pedal is approximately 15 deg. (2) Adjust the clutch so that the clutch lever (c) align with the draw bar (B) as shown in Fig. 6 (3) The machine pulley should rotate counter clockwise when viewed from the outside of it. The rotating direction of motor pulley can be reversed by turning the plug of the motor at 180 deg. (4) Adjust the tension of O-Belt (F) by moving the motor up and down for the proper tension of the O-belt is a slack of 10-20 mm when the belt is depressed at the center of the belt by finger. 6 10-20 mm 15° jintex.in

Page 4 — BELT COVER INSTALLATION (Fig. 7) ADJUST THE OPENING TIME OF THE TENSION DISCS (Fig. 8) THREADING (Fig. 9)

6. BELT COVER INSTALLATION (Fig. 7) Install the belt cover for the sake of safety. Install belt cover(C) to arm with screw(A) and screw(B), and install belt cover(E) on board with screw(D). 7 7. ADJUST THE OPENING TIME OF THE TENSION DISCS (Fig. 8) Within the presser foot lift range, the opening time of the tension discs can be ad- justed as follows: (1) Remove the rubber plug from the back of the arm and Loosen the screw (A) of the knee lift level (left) (2) Move the tension releasing cam (D) leftward for earlier opening or rightward for Later opening. It will facilitate the adjustment if putting a block under the presser foot lift. 8 Lift Right A D C 8. THREADING (Fig. 9) To thread the needle thread, raise the needle bar to the upper end of its stroke, lead the thread from the spool and perform threading as shown in Fig9. To draw the bobbin thread, hold the end of the needle thread and turn the balance wheel to lower the needle bar and then lift it to its highest position. Pull the ends of needle thread and bobbin thread frontward under presser foot. 9 2 7 6 4 3 5 10 11 jintex.in

Page 5 — 9. WINDING INSTALLATION AND ADJUSTMENT(Fig. 10) 10. ADJUST THE PRESSURE OF PRESSER FOOT(Fig. 11)

9. WINDING INSTALLATION AND ADJUSTMENT(Fig. 10) The bobbin winder pulley should Align with the V-belt and there should be some clearance between them. When the bobbin winder stop latch lever is depressed, the belt should be in touch with the bobbin winder pulley in order that the bobbin pulley can be driven by the V-belt. The thread wound on the bobbin should be neat and tight if not tight, adjust the winding tension by turning the tension stud nut (A) of the bobbin winder tension bracket, when the thread wound on the bobbin does not present a cylindrical shape as shown in Fig. 10 (a). Loosen the set screw (B) of the bobbin winder tension bracket and move bracket (C) leftward or rightward if the thread is wound as shown in the figure (b), move the bracket leftward or rightward of wound as shown in the figure(c), move it leftward. After positioning the bracket adequately, tighten the set screw (B). Do not overfill the bobbin. The optimum wound length of the thread will fill about 80% of the bobbin capacity. This can be adjusted by the screw(E) of the bobbin winder stop latch. 10 10. ADJUST THE PRESSURE OF PRESSER FOOT(Fig. 11) Pressure of the presser foot is adjusted in accordance with thickness of materials to be sewn. First loosen the lock nut (A), for heavy materials, turn the pressure regulating thumb screw as shown in Fig. 11 (a) to increase the pressure, while for light materials, turn the pressure regulating thumb screw as shown in Fig. 11(b) to decrease the pressure the tighten the lock nut (A). The pressure of the presser foot is recommended to be less as long as normal feeding is ensured. 11 jintex.in

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11. THREAD TENSION ADJUSTMENT (Fig. 12, 13, 14) 12 Normal stitch form More tension Less tension Needle thread Bobbin thread Needle thread tension too weak Needle thread tension too strong Strengthen the needle thread tension Weaken the bobbin thread tension Weaken the needle thread tension Strengthen the bobbin thread tension Thread tension should be determined in accordance with the stitch obtained by adjusting the tension of the bobbin thread and needle tension (Fig. 12). The tension of the bobbin thread: to be adjusted by turning the tension spring regulating screw of the bobbin case, After adjusting, insert the bobbin into the bobbin case and hold the end of the thread from the bobbin case to hang the bobbin case, if the bobbin case falls slowly and evenly, the proper tension of the bobbin thread is obtained. The tension of needle thread: to be adjusted by turning the thumb nut. 13 14 6-10 mm A B C D The stroke of the thread take-up spring runs from 8mm to 10mm, when sewing very thin fabrics, reduce the thread take-up spring tension and increase the thread take-up spring stroke, where as increase the thread take-up spring tension and reduce the thread take-up stroke when sewing very thick fabrics. Adjusting the thread take-up spring tension : (Fig. 13) First loosen the set screw (A), Turn the tension stud (B) counter-clockwise to decrease the tension of the thread take-up spring (C) to zero, then turn the tension stud (B) clockwise till the spring (C) comes to the notch of the tension regulating bushing, and again turn the tension stud (B) halfway back (counter clockwise). After the adjustment, tighten the set screw (A). Adjusting the thread take-up spring stroke: (Fig. 14) loosen the set screw (B) turn the stud (C) clockwise to increase the stroke, turn stud (C) counter-clockwise to decrease the stroke After the adjustment, tighten the set screw (B). 12. ADJUST THE SYNCHRONILATION OF THE NEEDLE WITH ROTATING HOOK (Fig. 15, 16) When lifting the needle bar from its lowest position of the stroke to the distance A, the hook point D of the bobbin should align with the center line of the needle and be 1.0- 1.5 mm above upper end of the needle eye (Fig. 15) 15 1.0-1.5mm A A jintex.in

Page 7 — 13. ADJUSTMENT OF STITCH LENGTH AND REVERSE FEEDING (Fig. 17) 14. ADJUSTING THE POSITION OF FEED DOG AND NEEDLE (Fig. 18, 19)

The clearance between the bottom of the needle notch and the hook point should be approx. 0.05 mm (Fig. 16). 16 Model M H B A 2 1.8 1.8 13. ADJUSTMENT OF STITCH LENGTH AND REVERSE FEEDING (Fig. 17) The stitch length can be adjusted by turning the dial (A). The figures on the face (B) of the dial show the stitch length in mm. The reverse feed lever must be depressed by another while adjusting the stitch length. The reverse feeding starts when the reverse feed lever (c) is depressed, the machine will feed forward again if the reverse feed lever is released. 17 14. ADJUSTING THE POSITION OF FEED DOG AND NEEDLE (Fig. 18, 19) Turn the balance wheel, and lower Feed Dog (A). When the top of the feed dog is flush with Throat Plate Surface (B), Needle Point (C) should be 3mm below the throat plate surface. The adjustment should be made by adjusting the position of the feed cam and feed lift cam. The standard position is shown in Fig. 19. for the third screw (A) of feed cam and the second screw (B) of feed lift cam to Arm Shaft Oil Hole (C) according to the direction of the balance wheel turning. 18 3mm 19 jintex.in

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15. STITCH LENGTH ERROR ADJUSTMENT(Fig. 20) Loosen Screw (A) to adjust Stitch Length Ad- justing Cam (B). Turn it rightward to narrow the stitch length as forward sewing, and narrow it as reverse sewing; turn it leftward to widen the stitch length as forward sewing, and narrow it as reverse sewing. 20 16. FEED DOG HORILONTALLTY ADJUSTMENT(Fig. 21) To lift the front of feed dog to prevent fabric from wrinkling. To lower the front of feed dog to prevent fabric from defection, breaking of bobbin thread. Mark position on Feed dog eccentric shaft Level Standard Above The front up the max. Under The front down the max. 21 17. THREAD CUTTING MECHANISM (Fig. 22) It adopts hook shaft cam driving for thread cutting. If thread cutting electromagnet works, and after finish thread trimming, reset thread cutting cam crank at once, otherwise may cause the movable knife and needle into collision, and damage them. A-fixed knife support asm. C-thread cutting cam. E-soft thread. G-stopper. J-cutter driving shaft. L-knife (left). N-thread retainer. B-knife support asm. (left) D-thread cutting electromagnet. F-electromagnet asm. H, I-thread cutting cam crank. K-cutter driving crank. M-fixed knife. 22 jintex.in

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18. KNIFE SUPPORT ASM (left) (Fig. 23) Insert the left knife support asm. (left) (B) into Hook Shaft Bushing (C) as the figure shows, then tighten screw (A). 23 19. FIXED KNIFE SUPPORT ASM (Fig. 24) Remove the hook positioner, then set it with screw (A) shown in Fig 24. B - fixed knife support asm. 24 20. POSITION OF THE FIXED KNIFE AND LEFT KNIFE POINT (Fig. 25) (1) The standard position is shown in the fig- ure. (2) If the size is larger than the standard, the knife will cut the 3 threads in the meantime or draw the thread out of the needle eye; if smaller, will cause cutting damage, so make sure to avoid that. (3) As things mentioned above occur, adjust- ment is done by setting the fixed knife support or the fixed knife (B). A - the blade C - the knife (left) 0.3mm A B 25 21. CONNECTION OF THE KNIFE (LEFT) SUPPORT AND CUTTER DRIVING CRANK (Fig. 26) Connect them as the figure shows and notice the position of Cutter Link Lever (A). 26 A Jinte.in

Page 10 — 22. POSITION OF THE CUTTER DRIVING SHAFT (Fig. 27)

22. POSITION OF THE CUTTER DRIVING SHAFT (Fig. 27) (1)The Standard position is shown in the figure. (2)When assemble it, Cutter Driving Shaft (G) should be first put in Cutter Driving Crank (A). (3) Set Thread Cutting Cam Crank 1 (D) on the cutter driving shaft with reference to the standard posi- tion. (4)Set Stopper (F), make sure that there is no clearance between parts around the cutter driving shaft, and rotate steadily. B - spring end cover C - spring E - thread cutting cam crank 2 Model a M 90.5mm H 90.5mm B 87mm 27 A B C D E G F a 23. THE ELECTROMAGNET CORE STROKE (Fig. 28) (1) The standard stroke of the electromagnet core is 6mm. (2)The stroke can be adjusted with Positioning screw (A) B - thread cutting electromagnet holder C - thread cutting cam crank 2 D - driving bar E - thread cutting electromagnet 6mm E A B D C -1mm 28 24. INSTALLING THE ELECTROMAGNET ASM (Fig. 28) The installing parameter is shown in Fig. 28. jintex.in

Page 11 — 25. INSTALLING THREAD CUTTING CAM (Fig. 29. 30. 31. 32. 33)

25. INSTALLING THREAD CUTTING CAM (Fig. 29. 30. 31. 32. 33) (1) Align No. 2 Positioning Mark (A) on the balance wheel with Positioning Mark (B) on the machine arm. (2) As the thread cutting electromagnet works, Thread Cutting Cam (A) run in normal rotating di- rection. Fix the cam when Cam (A) is engaged with Roller (B). 31 0.5-1.0mm B A (3) Stop the operation of the electromagnet, reset Cam Driving Crank (A), Cam (B) is seperated from the engagement with the roller, the standard clearance is 0.5 - 1.0mm. 32 2mm B A D 30 Note: the figure shows the standard position of Cam Driving Crank (D) before operation. A - hook shaft B - roller C - cutter driving shaft 33 It may change the positions mentioned above to remove the stopper, then adjust with Screw (A), and readjust the above (1) - (3) jintex.in

Page 12 — 26. ADJUSTING KNIFE CUTTING ENGAGEMENT (Fig. 34. 35) 27. ADJUSTING CUTTING PRESSURE (Fig. 36. 37)

26. ADJUSTING KNIFE CUTTING ENGAGEMENT (Fig. 34. 35) 34 35 2.5 mm A B 1.5-2.0mm A B 型号 M H B a 7mm 7mm (1) The figure shows the standard positions of the left knife and the fixed knife. A - knife (right) B - cutter driving shaft (2) Adjust the degree of knife cutting engage- ment: ① When the electromagnet works, turn the machine, the left knife (A) follows the motion of the thread cutting cam. The maximum degree of cutting engagement is 1.5 - 2.0mm B - the fixed knife ② Adjust the cutter driving crank if necessary. 27. ADJUSTING CUTTING PRESSURE (Fig. 36. 37) 36 37 3mm A B A B (1) The figure shows the standard position that Left Knift (A) begins to touch Fixed Knife (B). (2) When cutting thick thread, increase the cutting force. (3) For adjusting cutting force, loosen Set Nut (A), and adjust Screw (B). jintex.in

Page 13 — 28. ADJUSTING NEEDLE THREAD TENSION(Fig38. 39) 29. THREAD END REMAINS ADJUSTMENT(Fig. 40) 30. INSTALLING REVERSE STITCH ELECTROMAGNET(Fig. 41)

28. ADJUSTING NEEDLE THREAD TENSION(Fig38. 39) 38 39 There should be a clearance of 1mm between the two discs while the thread cutting electromag- net (A) is working. For adjustment, loosen Nut (B), and move soft thread (C). 1mm Note: If the clearance is too small, the thread end left after cutting is too short and may easily go away from the needle eye; otherwise the tension is poor and affect the needle thread tension. 29. THREAD END REMAINS ADJUSTMENT(Fig. 40) To get the needle thread end remains properly, adjust Nut (A). Turn rightwrd: get short Turn leftward: get long 40 30. INSTALLING REVERSE STITCH ELECTROMAGNET(Fig. 41) Adjust the position of Electromagnet (A) prop- erly to guarantee the flexiable connection of the magnet with the link lever and the convenient oper- ation of Reverse Stitch Bar (B), then set with a screw. 41

Page 14 — 31. REVERSE STITCH SWITCH (Fig. 42) 32. THREAD RETAINING DEVICE (Fig43. 44. 45)

31. REVERSE STITCH SWITCH (Fig. 42) The figure shows the normal state. It can perform reverse sewing to switch on. If move the switch to the dotted line shown in the figure, and switch on, the reveres sewing can not be performed. 42 32. THREAD RETAINING DEVICE (Fig43. 44. 45) 1. Thread Retainer Height (1) Standard height: 2 mm from the needle point as the needle in its highest position. (2) To adjust Thread Retainer (B), loosen Screw (A). 2. Thread Retainer Working position. (1) When the magnet move into the electromagnet completely, the standard distance between the thread retainer and the center of the needle should be 0 - 2 mm. (2) To adjust its position, loosen Screw (C), net Asm(A). D - magnet 43 0-2mm 44 45 jintex.in

Page 15 — 33. HOOK. BOBBIN CASE AND BOBBIN (Fig46. 47)

33. HOOK. BOBBIN CASE AND BOBBIN (Fig46. 47) 46 A 1. There is a thread groove(A) in the special hook for thread cutting sewing machine. 47 B 2. The bobbin case used in the machine should be with a spring(B) in its bottom, which prevents the bobbin from running without loading. 17. REGULAR CLEANING (Fig. 22. 23. 24) 1) Cleaning feed dog Remove the throat plate and clear off the dust and lint between feed dog tooth slots. 2) Cleaning rotating hook Swing out the machine head and clean the hook. Wipe the bobbin case with soft cloth. 3) Cleaning oil pump screen Swing out the machine head and clear off the dust and dirt on oil pump screen. Feed dog Hook Feed bar Screen 22 23 24

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Page 17 — 1. ARM AND BED MECHANISM

1. ARM AND BED MECHANISM No. Ref. No. Description Qt. M H B 1 22T1-021G3 Screw 2 2 2 2 22T1-021G1 Slide plate 1 1 1 3 48T1-005 Leg 3 3 3 4 GB93-87-6 Spring washer 6 3 3 3 5 124T1-002B1 Face plate 1 1 1 6 124T1-002B2 Face plate gasket 1 1 1 7 22T1-003C3 Rubber plug 3 3 3 8 22T1-003C4 Rubber plug 3 3 3 9 22T1-003C5 Thread guide on face plate 1 1 1 78T1-004C1 Thread guide on face plate 1 1 1 10 22T1-003C6 Screw 1 1 1 11 22T1-004 Screw 1 1 1 12 22T1-008H Oil check window 1 1 1 13 108200009 Three guide pole 1 1 1 14 57T1-008 Ruler plug 1 1 1 15 36T2-006D1 Pretension thread guide 1 1 1 16 36T2-006D2 Thread tension stud 1 1 1 17 22T1-009E3 Thread tension disc 2 2 2 18 36T2-006D3 Tension spring for pretension 1 1 1 19 36T2-006D4 Thread tension nut 1 1 1 20 124T1-006 Set screw 1 1 1 21 22T1-012F1 Thread tension stud 1 1 1 22 124T1-003C1 Thread tension nut 1 1 1 23 124T1-003C2 Thread tension spring 1 1 1 48T1-003A1 Thread tension spring 1 1 1 24 22T1-012F4 Thread tension releasing disc 1 1 1 25 22T1-012F5 Thread tension disc 2 2 2 26 22T1-012F6 Thread take -up spring 1 1 1 48T1-003A2 Thread take -up spring 1 1 1 27 22T1-012F7 Thread tension regulator bushing 1 1 1 28 22T1-012F8 Screw 1 1 1 29 22T1-012F9 Thread tension rleasing pin 1 1 1 30 22T1-012F10 Stop disc 1 1 1 31 22T1-012F11 O-type ring 1 1 1 32 22T1-013 Set screw 1 1 1 33 22T1-014 Thread guide 1 1 1 78T1-005 Thread guide 1 1 1 34 22T1-015 Rubber plug 2 2 2 35 22T1-016 Rubber plug 1 1 1 37 36T2-007 Thread take -up lever guard 1 1 1 78T2-002 Thread take -up lever guard 1 1 1 38 22T2-004 Screw 1 1 1 39 124T1-005 Needle plate (B1.8) 1 1 1 48T1-004 Needle plate (B2.0) 1 1 1 48T1-006 Needle plate (B2.6) 1 1 1 153100004 Needle plate 1 1 1 153100002 Needle plate 1 1 1 40 020100002 Screw 1 2 2 2 41 22T1-012G2 Slide plate spring 1 1 1 42 1241-004 Screw 2 2 2 jintex.in

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Page 19 — 2. ARM SHAFT AND VERTICAL SHAFT AND THREAD TAKE-UP MECHANISM

2. ARM SHAFT AND VERTICAL SHAFT AND THREAD TAKE-UP MECHANISM No. Ref. No. Description Qt. M H B 1 153310001 Arm shaft 1 1 1 2 22T3-001A2 Rubber plug 1 1 1 3 22T3-002B1 Collar for arm shaft 1 1 1 4 22T2-005B2 Screw 2 2 2 5 22T3-003 Arm shaft bushing (left) 1 1 1 6 22T3-004 Arm shaft bushing (middle) 1 1 1 7 22T2-002 Screw 3 3 3 8 108300005 Arm shaft bushing (right) 1 1 1 9 124T3-003C2 Oil seal 1 1 1 10 22T2-006 Screw 1 1 1 11 36T3-003 Eccentric wheel 114T3-001 Eccentric wheel screw 1 1 1 12 22T1-013 Eccentric wheel screw 2 2 2 13 36T3-004 Spacer 1 1 1 14 22T3-009D1c Crank rod for lifting rock shaft 1 1 1 15 36T3-004 Spacer 1 1 1 16 22T3-010E1 Vertical shaft 1 1 1 17 ZOA140379 Bevel gear for arm shaft 1 1 1 18 ZOA140380 Bevel gear for vertical shaft (upper) 8 8 8 19 22T2-005B3 Set screw 1 1 1 20 ZOA140383 Bevel gear for hook shaft 1 1 1 21 ZOA140382 Bevel gear for vertical shaft (lower) 1 1 1 22 22T3-011 Vertical shaft bushing (upper) 1 1 1 23 22T3-012 Vertical shaft bushing (lower) 1 1 1 78T3-002 Vertical shaft bushing (lower) 24 22T2-001A Needle bar link asm 1 1 48T2-001A Needle bar link asm 78T2-001A Needle bar link asm 1 25 22T2-002 Screw 1 1 1 26 22T2-005B Needle bar crank 1 1 48T2-002B Needle bar crank 1 27 22T2-005B2 Screw 1 1 1 28 22T2-006 Screw 1 1 1 29 22T2-007 Set screw 1 1 1 30 22T2-008 Needle bar bushing (upper) 1 1 1 31 22T2-009 Screw 1 1 1 32 22T2-010 Felt plug 1 1 1 33 22T2-011 Rubber plug 1 1 1 34 22T2-012C1 Needle bushing (lower) 1 124T2-006 Needle bushing (lower) 1 1 35 22T2-012C2 Thread guide 1 1 1 36 22T2-014 Needle bar 1 1 78T2-004 Needle bar 1 153200001 Needle bar 1 37 22T2-015 Thread guide for needle bar 1 1 48T2-004 Thread guide for needle bar 1 38 DB x 1 14# Needle 1 DP x 5 18# Needle 1 DP x 1 22# Needle 1 DP x 5 14# Needle 1 39 22T2-017 Screw 1 1 1 40 36T3-005E Guide rail for slide block 1 1 1 41 22T2-020 Slide block 1 1 1 42 22T2-019 Set screw 2 2 2 43 100T6-012 Screw 3 3 3 44 124T3-001A2 Screw 1 1 1 45 22T3-008 Screw 1 1 1 46 124T3-001A5 Oil seal 1 1 1 jintex.in

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Page 21 — 3. FEEDING AND FEED LIFTING AND ROTATING HOOK MECHANISM

3. FEEDING AND FEED LIFTING AND ROTATING HOOK MECHANISM No. Ref. No. Description Qt. M H B 1 22T6-001A3 1536000001 Feed dog Feed dog Feed dog 1 1 1 1 1 1 2 36T4-001A1a Feed bar 1 1 1 3 22T6-001A6 Washer 1 1 1 4 36T4-001A2 Shaft for feed bar 1 1 1 5 22T6-001A4 Screw 2 2 2 6 22T6-001A1a Feed rock shaft 1 1 1 7 22T6-001A1b Screw 2 2 2 8 22T2-019 Screw 1 1 1 9 124T6-002 Feed rock shaft 2 2 2 10 GB894-86-15 C-type stop ring 1 1 1 11 22T6-004 Bushing for feed rock shaft 2 2 2 12 22T6-005B1 Collar for feed rock shaft 2 2 2 13 22T3-002B2 Screw 4 4 4 14 36T4-003 Feed rock shaft crank (right) 1 114T4-001 Feed rock shaft crank (right) 1 15 36T4-004H01 Pin 1 1 1 16 36T5-008E5 Screw 1 1 1 17 22T6-008D3 Screw 1 1 1 18 36T4-005B Bobbin case complete 1 1 78T4-004F Bobbin case complete 1 19 36T4-006 Bobbin 1 1 78T4-005 Bobbin 1 20 36T4-007C Rotating hook complete 1 1 78T4-002 Rotating hook complete 1 22 36T4-008D1 Hook shaft 1 1 1 120T4-001 Hook shaft 1 23 22T4-001A1a1 Filter screw 1 1 24 22T4-001A1a2 Filter 1 1 25 36T4-009G Oil seal 1 1 1 26 36T4-010 Hook shaft bushing(left) 1 1 1 27 22T4-005 Adjusting screw 1 1 1 28 22T4-006 Coil spring 1 1 1 29 36T4-011E1 Thread cutting cam 1 1 1 30 36T4-011E2 Screw 1 1 1 31 36T4-012 Hook shaft bushing(middle) 2 2 2 32 22T4-002B1 Collar for hook shaft 1 1 1 33 22T2-009 Screw 2 2 2 34 36T4-014F1 Hook shaft bushing(right) 1 1 1 35 22T4-007C2 Oil pipe for hook shaft bushing 1 1 1 36 36T4-015 Plunger 1 1 1 37 36T4-016 Plunger spring 1 1 1 38 22T4-010 Guide plate 1 1 1 78T4-006 Guide plate 1 39 22T5-001A4 Screw 1 1 1 40 22T6-008D2 Hinge pin 1 1 1 41 36T4-017 Feed lifting rock shaft crank(right) 1 1 1 42 22T6-016 Screw 2 2 2 43 22T6-012 Bushing for feed lifting shaft(left) 1 1 1 44 22T2-002 Screw 1 1 1 45 36T4-018H1D1 Feed lifting fork 1 1 1 46 124T6-003 Feed lifting rock shaft 1 1 1 47 22T4-013 Hook positioner 1 1 48T4-002 Hook positioner 1 78T4-003 Hook positioner 1 48 22T4-015 Screw 1 1 1 49 22T2-009 Screw 1 1 1 50 22T1-002 Screw 1 1 1 51 22T6-008D3 Screw 1 1 1 52 GB93-87-6 Washer 1 1 1 jintex.in

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Page 23 — 4. STITCH LENGTH REGULATING MECHANISM

4. STITCH LENGTH REGULATING MECHANISM No. Ref. No. Description Qt. M H B 1 36T5-001 Set pin 1 1 1 2 36T5-002A1 Feed regulator 1 1 1 114T5-001 Feed regulator 1 1 1 3 36T5-002A2 Spring retainer 1 1 1 4 22T2-019 Screw 2 2 2 5 36T5-002A3 Link 1 1 1 6 36T5-002A4 Pin 1 1 1 7 GB896-85-4 Split retaining ring 1 1 1 8 36T5-002A5 Coil spring 1 1 1 9 36T5-002A6 Spring holder 1 1 1 10 22T6-008D3 Screw 1 1 1 11 22T5-010D4 Screw 1 1 1 12 22T5-003 Bushing for feed regulator 1 1 1 13 22T5-004 Pin shaft 1 1 1 14 36T5-003 Rubber plug 1 1 1 15 22T2-002 Set screw 1 1 1 16 36T5-004B1 Reverse sewing crank 1 1 1 17 36T5-004B2 Reverse sewing crank shaft 1 1 1 18 36T5-004B3 Coil spring 1 1 1 19 22T5-013 Screw 1 1 1 20 36T5-005 Spring holder 1 1 1 21 22T5-001A4 Screw 1 1 1 22 22T5-010D1 Reverse sewing lever 1 1 1 23 36T5-006C1a1 Shaft for reverse sewing lever 1 1 1 24 GB3452.1-92 O-type ring 6.3×1.8d 1 1 1 25 22T5-010D2 Screw 2 2 2 26 22T5-010D4 Screw 1 1 1 27 22T5-011 Washer 1 1 1 28 124T5-001A2 Screw bar 1 1 1 29 124T5-001A3 O-type rubber ring 1 1 1 30 27500001 Dial 1 1 1 124T5-001A5 Dial 1 1 1 32 36T5-007D4 Bushing 1 1 1 33 36T5-007D5 Screw 1 1 1 34 36T5-012 Thrust pin 1 1 1 35 22T5-009 Coil spring 1 1 1 38 36T5-008E2 Feed link 1 1 1 39 36T5-008E3 Stitch length regulating link 1 1 1 40 36T4-004H02 Pin (Long) 1 1 1 41 36T5-008E4H02 Link (Long) 2 114T5-003 Link (Long) 2 42 36T5-008E5 Screw 1 1 1 43 36T5-008E4H01 Link (short) 2 2 2 44 36T5-008E6 pin (short) 1 1 1 45 36T5-008E7 Screw 1 1 1 46 36T5-008E8 Screw 1 1 1 47 36T5-008E9 Eccentric shaft 1 1 1 48 36T5-008E10 Stitch length adjusting crank 1 1 1 49 36T5-009H02 Set pin (left) 1 1 1 50 22T6-008D3 Screw 1 1 1 51 36T5-009H01 Set pin (right) 1 1 1 52 22T6-008D3 Screw 1 1 1 jintex.in

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Page 25 — 5. PRESSER FOOT MECHANISM

5. PRESSER FOOT MECHANISM No. Ref. No. Description Qt. M H B 1 36T6-001A1 Presser bar lifter 1 1 1 2 J0.0.35 Screw 1 1 1 3 36T6-002B1 Presser bar lifting cam 1 1 1 4 GB3452.1-92 Oil seal (4.5×1.8G) 1 1 1 5 36T6-003C1a1 Knee lifter lever (left) 1 1 1 6 22T7-004B1b Tension releasing cam 1 1 1 7 22T7-004B1c Screw 1 1 1 8 22T7-004B2 Screw 2 2 2 9 22T7-004B3 Knee lifter rod 1 1 1 10 22T7-005 Screw 1 1 1 11 36T6-004 Thread releasing pin 1 1 1 12 22T7-007C1 Knee lifter lever (right) 1 1 1 13 22T7-007C2 Coil spring 1 1 1 14 22T7-007C3 Knee lifter connecting rod 1 1 1 15 22T7-008 Pin for spring 1 1 1 16 22T7-009 Bushing for presser bar 1 1 1 17 22T7-010 Presser bar 1 1 1 18 22T7-011D1 Presser bar guide bracket 1 1 1 19 22T1-013 Screw 1 1 1 20 22T7-012 Presser bar spring guide 1 1 1 21 48T7-002 Presser bar spring 1 1 1 22 22T7-014E1 Thumb screw 1 1 1 23 22T7-014E2 Lock nut 1 1 1 24 22T7-015 Screw 1 1 1 25 22T7-017F Presser foot asm 1 48T7-003A Presser foot asm 1 1 1 027701100 Presser foot asm 1 1 1 26 22T7-16 Thread guide 1 1 1 27 22T2-004 Screw 1 1 1 28 57T7-002 Presser foot spring 1 1 1 29 22T7-007C4 Screw 1 1 1 jintex.in

Page 26 — 6. KNIFE ACTUATING MECHANISM

6. KNIFE ACTUATING MECHANISM No. Ref. No. Description Qt. M H B 1 36T8-009 Pin 1 1 1 2 GB896-85-4 Split retaining ring 2 2 2 3 36T7-001A1 Flexible driving lever 1 1 1 4 36T7-001A2 Screw 1 1 1 5 J0.0.16 Nut 1 1 1 6 36T7-001A3 Bracket for flexible bracket 1 1 1 7 36T7-001A4 Screw 1 1 1 8 36T7-001A5 Flexible wire connecting bracket 1 1 1 9 36T7-001A6 Screw 2 2 2 10 36T7-001A7 Holder for flexible wire 1 1 1 11 165710000 Solenoid assy for thread trimmer 1 1 1 12 36T7-001A8b Solenoid mounting bracket 1 1 1 13 GB68-85-M4x6 Screw 3 3 3 14 36T7-002B1a1 knife holding saddle 1 1 1 15 36T7-002B1a2 knife base (left) 1 1 1 120T7-001A1 knife base (left) 16 36T7-002B1a3 Washer 1 1 1 17 36T7-002B1a4 Screw 3 3 3 18 36T7-002B2 Blade(left) 1 1 1 120T7-001A2 Blade(left) 19 36T7-002B3 Set screw 2 2 2 jintex.in

Page 27 — 6. KNIFE ACTUATING MECHANISM

6. KNIFE ACTUATING MECHANISM No. Ref. No. Description Qt. M H B 20 3677-002B4 Knife driving crank 1 1 1 21 61-04-01/B6 Screw 1 1 1 22 3677-002B6 Link 1 1 1 23 3677-002B7 Screw 2 2 2 24 3677-002B7 Nut 2 2 2 25 3677-003C1 Cam follower crank(1) 1 1 1 26 3677-003C2 Cam follower crank(2) 1 1 1 27 3677-003C3 Roller stud 2 2 2 28 3677-003C4 Roller stud 2 2 2 29 3677-003C5 Nut stud 2 2 2 30 3677-004 Knife driving shaft 1 1 1 120T7-002 Knife driving shaft 1 1 1 31 3677-005 Coil spring 1 1 1 32 3677-006 Bushing 1 1 1 33 165720004 Stopper 1 1 1 34 165720001 Stopper plate 1 1 1 35 GB6172-86-6 Nut 1 1 1 36 165720002 Screw 1 1 1 37 3677-009E1 Thread guide 1 1 1 120T7-003B1 Thread guide 1 1 1 38 J0.0.72 Screw 1 1 1 39 3677-009E2 Bracket for fixed blade 1 1 1 40 3677-009E3 Fixed knife 1 1 1 120T7-003B2 Fixed knife 1 1 1 41 3677-009E4 Set screw 1 1 1 42 3677-009E5 Adjusting screw 1 1 1 43 3677-009E6 Adjusting nut 1 1 1 44 3678-002 Set Screw 2 2 2 45 3677-010F Flexible wire asm 1 1 1 46 3677-011G Earth wire asm 1 1 1 47 3677-012 Plug 1 1 1 48 3677-013 Rubber sleeve 1 1 1 49 3677-014 Wire clamp 1 1 1 50 GB848-86 Washer 1 1 1 51 GB54-86-M5 Nut 2 2 2 52 22T2-019 Screw 4.37 x 40/8 8 8 8 53 3678-002 Screw 2 2 2 54 22T5-010D4 Screw 3 3 3 55 36T9-001A2a2 Pin 2 3 2 56 3677-001A9 Coil spring 1 1 1 57 3677-001A10 Collar for driving lever 1 1 1 58 3675-008E8 Screw 2 2 2 59 3677-015H1 Collar for knife driving shaft 1 1 1 60 22T3-002B1 Screw 1 1 1 61 3677-016 Coil spring 1 1 1 62 3677-017 Guard for plug 1 1 1 63 165720003 Rubber washer 1 1 1 64 1657100001 Rubber washer 1 1 1 65 GB96-85-5 Washer 1 1 1 66 GB96-86-12 Split retaining ring 1 1 1 67 3677-001A8a1 Washer 1 1 1 jintex.in

Page 28 — 7. REVERSE SEWING AND DETECTOR MECHANISM

7. REVERSE SEWING AND DETECTOR MECHANISM No. Ref. No. Description Qt. M H B 1 108910000 Detector componts 1 1 1 1 108930000 Detector componts 1 1 1 2 36T7-013 Rubber plug 1 1 1 3 22T2-019 Screw 2 2 2 4 22T1-006 Screw 6 6 6 5 22T1-007 Washer 6 6 6 6 165A20001 Detector presser plate 1 1 1 7 GB896-86 Split washer 4 2 2 2 8 36T8-009 Pin 1 1 1 9 36T8-008E4b Electric - magnet for reverse sewing 1 1 1 10 GB848-85-4 Washer 2 2 2 11 GB893-87 Spring washer 3 2 2 2 12 36T8-005 Cord holder 1 1 1 13 108800101 Wire clamp 1 1 1 108800201 Wire clamp 1 1 1 108800301 Wire clamp 1 1 1 14 36T8-007C1 Switch bracket 1 1 1 15 36T8-007C2a Button asm 1 1 1 16 36T8-007C3b Cable for switch at reverse sewing 1 1 1 17 GB869-86-2 Spring washer 2 2 2 2 18 GB848-86-2 Washer 2 2 2 2 19 GB818-85-M2x8 Screw 2 2 2 20 36T8-007C4 Micro switch 1 1 1 21 GB66-76 Screw 1 1 1 22 36T8-007C5 Leaf spring 1 1 1 23 GB896-86-3 Split retaining ring 2 2 2 24 36T8-007C6 Coil spring 1 1 1 26 36T8-008E1 Gasket 1 1 1 27 165820001 Side cover 1 1 1 28 22T6-008D3 Screw 2 2 2 29 165320001 Balance wheel asm 1 1 1 30 36T8-004B1 Screw 1 1 1 31 36T8-004B2 Washer 1 1 1 jintex.in

Page 29 — 8. WIPER MECHANISM

8. WIPER MECHANISM No. Ref. No. Description Qt. M H B 1 36T9-001A1 Wire connector 1 1 1 2 36T9-001A2a Wire 1 1 1 3 36T9-001A3 Cord clamp 1 1 1 4 GB848-86-3 Washer 8 8 8 5 GB859-86-3 Washer 8 8 8 6 GB818-86 Screw M3 x6 8 8 8 7 36T9-001A4 Solenoid bracket 1 1 1 8 36T9-001A5 Cover for wiper mech 1 1 1 9 36T9-001A6 Solenoid for wiper 1 1 1 10 36T9-001A7 Coil spring 1 1 1 11 GB896-86-9 Retaining ring 1 1 1 12 36T9-001A8 Rubber ring 1 1 1 13 36T9-001A9 Switch for wiper 1 1 1 14 36T9-001A10 Washer 1 1 1 15 36T9-002 Screw 1 1 1 16 22T5-001A4 Screw 2 2 2 17 36T9-003 Washer 2 2 2 18 36T9-004B1 Wiper bracket 1 1 1 19 036921008 Wiper shaft asm 1 1 1 20 G896-86-4 Retaining ring 2 2 2 21 36T9-004B3 Wiper 1 1 1 22 22T6-001A4 Screw 1 1 1 23 36T9-004B4 Link 1 1 1 26 036921006 Washer 1 1 1 25 36T9-005 Screw 2 2 2 24 036921007 Shaft 1 1 1 28 036921005 Washer 1 1 1 27 GB6170-86 Nut M3 1 1 1 29 165900001 Rubber washer 1 1 1 jintex.in

Page 30 — 9. OIL PUMP MECHANISM

9. OIL PUMP MECHANISM No. Ref. No. Description Qt. M H B 1 22T8-001 Oil pump 1 1 1 2 22T8-002 Oil pump impeller 1 1 1 3 22T8-003 Screw 1 1 1 4 22T8-004 Screw 3 3 3 5 GB93-87-3 Springee washer 1 1 6 22T8-006 Oil pump fitting plate 1 1 7 22T8-007 Oil adjusting plate 1 1 8 22T8-008A Oil pump screen asm 1 1 1 9 22T8-009 Screw 3 3 3 10 36T10-001A Oil pump for hook shaft 1 1 1 11 22T8-011C Oil braid fitting plate 1 1 1 12 22T8-012 Screw 2 2 2 13 22T8-013D Oil pump for arm shaft 1 1 1 14 22T8-014 Oil return pipe 1 1 1 15 22T8-015 Felt pouch for return oil filter 1 1 1 16 36T10-002 Oil filter holder 1 1 1 jintex.in

Page 31 — 10. OIL RESERVOIR AND ACCESSORIES

10. OIL RESERVOIR AND ACCESSORIES No. Ref. No. Description Qt. M H B 1 36T11-001A Oil reservoir asm 1 1 1 2 22T9-001A2 Screw 1 1 1 3 22T9-001A3 Washer 1 1 1 5 22T9-001A5 Oil gasket 1 1 1 7 22T9-003B1 Knee lifter lifting pin 1 1 1 8 124T9-003B Belt cover 1 1 1 9 124T9-004C Belt cover (S) 1 1 1 10 6F0 Thread winder asm(large hook) 1 1 1 11 GXJ-2 Thread spool asm 1 1 1 12 22T9-007F Hinge with rubber cushion 2 2 2 13 22T9-009 Cushion(B) 2 2 2 14 22T9-010 Cushion(S) 2 2 2 15 22T9-011 Oil pot 1 1 1 16 22T9-012 Magnet block 1 1 1 17 22T9-013 Screw drive (long) 1 1 1 18 22T9-015 Screw drive (short) 1 1 1 19 36T11-006 Allen wrench M4 1 1 1 36T11-006 Allen wrench M6 1 1 1 20 22T9-016 Double open-end wrench 1 1 1 21 22T9-017 Oil tank 1 1 1 22 22T9-018 Machine head cover 1 1 1 23 22T9-024 Needle bag 1 1 1 jintex.in

Page 32 — GC6180 series machine's main technical data

GC6180 series machine's main technical data Item Model M H B Application Common materials Thick materials Thick materials Sewing speed 5000 S. P. M. 3500 S. P. M. 3000 S. P. M Max. stitch length 4mm 7 mm 6 mm Presser foot lift By hand By knee 13 mm Needle DB x1 -2 9#-16# DP x5 18#-22# Rotating shuttle Standard automatic oiling Thick materials automatic oiling Twice automatic oiling Detector Inside Operation panel Outside Motor 400W motor with eddy current speed adjusting section Other Can select automatic foot lifter system Besides adjusting stitch, please laypeople don't debug or maintain machine. Parts are subject to changes in design without prior notice. XI'AN TYPICAL INDUSTRIES CO., LTD. Add: No. 1 Taibai South Road, Xi'an, P. R. China -710068 Tel: +86-29-88279091 88279150 Fax: +86-29-88249715 88245215 E-mail: typical@chinatypical. com Http: www. chinatypical. com Http: www. globalsources. com 2004. 12. 26 ② jintex.in

Page 33 — GC6180

GC6180 HIGH-SPEED LOCKSTITCH SEWING MACHINE WITH DROP FEED This machine may only be operated by adequately trained operators only after having completely read and understood the instruction manual. Parts are subject to changes in design without prior notice. CQC Certificate of the International ISO9001 CE Certificate of the International CE Ecolabelling Product Certificate for Energy Conservation Product XI'AN TYPICAL EUROPE GmbH Hertelsbrunnenring 9 D-67657 Kaiserslautern Tel.: +49 (0)631 316019-0 Fax: +49 (0)631 316019-11 E-mail: sales@typical-europe.com www.typical-europe.com GC6180 - Manual - EN - 08-2010 jintex.in