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HIGHLEAD GA2688-1, Instruction Manual & Parts List, Page: 28 / 35

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HIGHLEAD GA2688-1 Instruction Manual & Parts List Download Page 28

— 26 —

Fig.

No.

Part No.

Description

Pcs.

Remarks

H01

H7204I8001

Knee lifter lever

2

H02

H7205I8001

Screw

1

SM15/64(28)×6

H03

H7206I8001

Knee lifter lever base

1

H04

HA300J2280

Screw

2

SM15/64(28)×6.5

H05

H7207I8001

Screw

1

SM15/64(28)×8

H06

H7208I8001

Knee lifter rod

1

H07

H7205I8001

Screw

2

SM15/64(28)×6

H08

H7209I8001

Coil spring

1

H09

H7210I8001

Screw

1

H10

H7211I8001

Screw

1

SM15/64(28)×13

H11

H7212I8001

Washer

1

H12

H7214I8001

Knee lifter lever connecting plate

1

H13

HA300J2280

Screw

2

SM15/64(28)×6.5

H14

H7213I8001

Screw

1

SM1/4(40)×3.5

H.KNEE LIFTER MECHANISM

Summary of Contents for GA2688-1

Page 1: ...SHANGHAI BIAOZHUN HAILING SEWING MACHINERY CO LTD GA2688 1 Cylindrical Bed Extra Heavy Duty Compound Feed Lockstitch Sewing Machine Instruction Manual Parts Catalog ...

Page 2: ...BIN THREAD 3 6 ADJUSTMENT OF THE BOBBIN WINDER 3 In case of uneven winding 3 Winding amount of thread 3 Winding strength 3 7 THREADING 4 8 REMOVING AND INSERTING THE BOBBIN 4 Removing 4 Installation 4 9 ADJUSTING THE THREAD TENSION 4 Tension of the Upper thread 5 Tension of the lower thread 5 10 ADJUSTMENT OF PRESSER PRESSURE 5 11 ADJUSTMENT OF WALKING FOOT AND PRESSER FOOT 6 12 ADJUSTMNET OF STIT...

Page 3: ...ine without these safety devices 2 Precautions before starting operation 1 If the machine s oil pan has an oil sump never operate the machine before filling it 2 If the machine is lubricated by a drop oiler never operate the machine before lubricating 3 When a new sewing machine is first turned on verify the rotational direction of the pulley with the power on The pulley should rotate counterclock...

Page 4: ... must be made accordingly before run in operation 3 Lubrication Fig 1 When a new sewing machine is used for the first time or sewing machine left out of use for considerably long time is used again replenish a suitable amount of oil to the portions indicated by arrow in below figure CAUTION Please use white spindle oil Always keep the presser lifted before attempting a dry run 4 Testing In order t...

Page 5: ...machine 4 The driven wheel will automatically be free from the driving wheel and stop after the bobbin is filled with thread 6 ADJUSTMENT OF THE BOBBIN WINDER Fig 3 1 In case of uneven winding If the thread dose not wind evenly on the bobbin loosen the nut and move the bracket to the right or to the left as may be required then tighten the nut 2 Winding amount of thread Adjusting can increase or d...

Page 6: ...n holder then take out the bobbin 2 Installation Put the bobbin in the rotary hook case Permit about 5 cm of bobbin thread to hand down freely Install the bobbin in the bobbin case so that the thread wound direction is clockwise Then close the rotary hook and the shuttle race cap 9 ADJUSTING THE THREAD TENSION Fig 5 For ordinary stitching the tension of the upper and the lower threads should be eq...

Page 7: ...ontrolled by the larger screw near the end of the spring at the outside of the bobbin case Turning this screw to the right clockwise will increase the thread tension while turning it to the left counter clockwise will decrease the tension 10 ADJUSTMENT OF PRESSER PRESSURE Fig 6 1 Pressure should be adjusted according to the material to be sewn 2 Pressure on both the walking foot and the presser fo...

Page 8: ...wn 12 ADJUSTMENT OF STITCH LENGTH AND FORWARD BACKWARD SEWING Fig 8 1 Adjusting the stitch length adjusting bolt can change the stitch length 2 Stitch length can be adjusted between 0 11mm 3 Setting the stitch length adjusting bolt above 0 can backstitch 13 FEED DOG HEIGHT Fig 9 The feed dog should be 1 5 mm higher than the vertex of the needle plate Adjustment of the feed dog height can be done a...

Page 9: ...the highest point of the needle plate and the needlepoint is 28 mm When this distance need to be adjusted the steps is as follows 1 Take down the face plate adjust the needle bar to its highest position 2 Loosen the screw of needle bar connecting stud screw 3 Adjust the needle bar to the right position 4 Tighten the screw Fig 10 ...

Page 10: ... 8 A ARM BED AND ITS ACCESSORIES ...

Page 11: ... Worktable for accessories 1 A20 HA7311C806 Screw 2 SM11 64 40 9 A21 H7236B8001 Face plate 1 A22 H7238B8001 Screw 2 SM15 64 28 22 A23 H7240B8001 Thread guide 1 A24 H3410C301K Screw 1 SM9 64 40 6 5 A25 HA115B0702 Nut 1 A26 H7241B8001 Tension spring 1 A27 HA310B0705 Tension disc 2 A28 H7242B8001 Tension screw stud 1 A29 H2010J0066 Tension nut 1 SM9 32 28 A30 H7243B8001 Thread tension regulator compl...

Page 12: ...H7257B8001 Screw 1 SM1 8 44 A47 H7258B8001 Nut 1 SM1 8 44 A48 H7259B8001 Tension spring 1 A49 H7260B8001 Tension disc 1 A50 H7261B8001 Thread tension regulator complete base 1 A51 HA7311CC06 Screw 1 SM9 64 40 6 A52 H7262B8001 Thread guide 1 A53 H3410C301K Screw 1 SM9 64 40 6 5 A54 HA300B2100 Rubber plug 1 A ARM BED AND ITS ACCESSORIES ...

Page 13: ... 11 B NEEDLE BAR AND THREAD TAKE UP MECHANISM ...

Page 14: ...ecting link screw 1 B19 H2010J0066 Nut 1 SM9 32 28 B20 H7216C8001 Needle bar connecting link 1 B21 H7217C8001 Needle bar connecting stud 1 B22 H7218C8001 Screw 2 SM1 4 40 4 5 B23 H7219C8001 Needle bar 1 B24 HA700F2100 Screw 1 SM11 64 40 7 B25 H7220C8001 Needle 1 DY 3 26 B26 H7222C8001 Needle bar guide bracket 1 B27 H7223C8001 Needle bar guide bracket pin 1 B28 H7224C8001 Oil wick 1 B29 H7225C8001 ...

Page 15: ... 13 C LOWER SHAFT MECHANISM ...

Page 16: ...C19 H7219D8001 Oil wick 1 C20 H7220D8001 Rivet 1 C21 H7222D8001 Lower shaft crank 1 C22 H415080200 Screw 1 GB T70 1 M8 20 C23 H7223D8001 Shuttle shaft slide block 1 C24 H7224D8001 Screw 1 C25 H2010J0066 Nut 1 SM9 32 28 C26 H7226D8001 Lower shaft 1 C27 HA108G0661 Collar 1 C28 H7239D8001 Screw 2 SM1 4 40 3 5 C29 H7227D8001 Shuttle driver 1 C30 H602040220 Pin 1 GB T117 4 22 C31 H7228D8001 Bobbin 1 C3...

Page 17: ... Fig No Part No Description Pcs Remarks C44 H2405D0664 Screw 1 SM15 64 28 14 C45 H7229B8001 Bushing 1 C46 H2405D0664 Screw 1 SM15 64 28 14 C47 H7240D7101 Shuttle hook 1 KSP 204N 佐文 C LOWER SHAFT MECHANISM ...

Page 18: ... 16 D FEEDING MECHANISM ...

Page 19: ...ing 1 D20 HF01080320 Plastic ball 1 JB T7271 1 M8 32 D21 H003008080 Nut 1 GB T6172 1 M8 D22 H7218E8001 Feed driving rock shaft crank 1 D23 H415060200 Screw 2 GB T70 1 M6 20 D24 H7219E8001 Feed driving rock shaft crank pin 2 D25 H007013080 Retaining ring E type 2 GB T896 8 D26 H7220E8001 Feed driving rock shaft 1 D27 HA108G0661 Collar 1 D28 H7239D8001 Screw 2 SM1 4 40 3 5 D29 H7221E8001 Crank pin 1...

Page 20: ...5 H7232E8001 Stitch length outside plate 1 D46 HA104F0654 Screw 2 SM15 64 28 9 D47 H7232B8001 Bushing 1 D48 HA100C2020 Screw 1 SM15 64 28 10 D49 H7231B8001 Bushing 1 D50 HA3411D308 Screw 1 SM15 64 28 7 D51 H7233B8001 Bushing 1 D52 H2405D0664 Screw 1 SM15 64 28 14 D FEEDING MECHANISM ...

Page 21: ... 19 E PRESSER FOOT MECHANISM ...

Page 22: ...Nut 1 E09 H7211F8001 Walking foot 1 E10 HA719B0709 Screw 1 SM11 64 40 7 E11 H7212F8001 Presser bar 1 E12 H7213F8001 Screw 1 E13 H7214F8001 Presser bar lifting shaft 1 E14 H7215F8001 Washer 1 E15 H7217F8001 Collar 1 E16 H7218C8001 Screw 2 SM1 4 40 4 5 E17 HF01080320 Plastic ball 1 JB T7271 1 M6 20 E18 H7219F8001 Bolt 1 E19 H7220F8001 Presser bar guide bracket 1 E20 H7221F8001 Connecting rod 1 E21 H...

Page 23: ... 21 F UPPER FEED LIFTING ROCK SHAFT MECHANISM ...

Page 24: ...H7213G8001 Presser foot lifting connecting link 1 F13 H7214G8001 Screw 2 F14 H007013080 Retaining ring E type 4 GB T896 8 F15 H7215G8001 Presser foot lifting lever 1 F16 H7214G8001 Screw 2 F17 H7216G8001 Presser foot lifting lever base 1 F18 HA104G0012 Screw 2 SM3 16 28 12 F19 H7217G8001 Roller 1 F20 H7221G8001 Bearing 1 IS0 K7 F21 H7218G8001 Screw 1 SM15 64 28 F22 H7219G8001 Roller base plate 1 F...

Page 25: ... 23 G NEEDLE BAR ROCKING MOTION MECHANISM ...

Page 26: ...001 Collar 2 G10 HA105D0662 Screw 4 SM1 4 40 4 5 G11 H7211H8001 Needle bar rocking crank 1 G12 H7218C8001 Screw 1 SM1 4 40 4 5 G13 HA100C2070 Screw 1 SM9 32 28 14 G14 H7212H8001 Needle bar rocking connecting link 1 G15 H7214G8001 Screw 1 G16 H007013080 Retaining ring E type 2 GB T896 8 G17 H7213H8001 Screw base 1 G18 H7214H8001 Screw 3 SM11 64 40 4 5 G19 H7224B8001 Bushing 1 G20 HA3411D308 Screw 1...

Page 27: ... 25 H KNEE LIFTER MECHANISM ...

Page 28: ...15 64 28 6 5 H05 H7207I8001 Screw 1 SM15 64 28 8 H06 H7208I8001 Knee lifter rod 1 H07 H7205I8001 Screw 2 SM15 64 28 6 H08 H7209I8001 Coil spring 1 H09 H7210I8001 Screw 1 H10 H7211I8001 Screw 1 SM15 64 28 13 H11 H7212I8001 Washer 1 H12 H7214I8001 Knee lifter lever connecting plate 1 H13 HA300J2280 Screw 2 SM15 64 28 6 5 H14 H7213I8001 Screw 1 SM1 4 40 3 5 H KNEE LIFTER MECHANISM ...

Page 29: ... 27 I BOBBIN WINDER MECHANISM ...

Page 30: ... Bobbin winder lever 1 I15 HA100H2150 Screw 1 SM9 64 40 11 I16 H7206J8001 Winding length limited plate 1 I17 H3200B2100 Screw 1 I18 H6722N8001 Washer 1 I19 H6723N8001 Pin 1 I20 H6731N8001 Screw 1 M5 6 I21 H431030040 Screw 2 HRC34 48 表面磷化发黑 I22 H6724N8001 Spring 1 I23 H6725N8001 Bobbin winder cam 1 I24 H7005D8001 Driving wheel 1 I25 H4723D8001 Screw 2 SM15 64 28 4 5 I26 H3107G0662 Screw 3 SM11 64 4...

Page 31: ... 29 J ACCESSORIES ...

Page 32: ...ocket screw key 1 GB T5356 4 J12 HB00001030 Hexagon socket screw key 1 GB T5356 3 J13 HA300J2070 Screw driver size L 1 J14 HA300J2200 Screw driver size M 1 J15 HA300J2210 Screw driver size S 1 J16 HJ02090110 Spanner 1 GB T4388 9 11 J17 HJ02100130 Spanner 1 GB T4388 10 13 J18 H7228D8001 Bobbin 4 J19 H7220C8001 Needle 4 DY 3 26 J20 HA200J2030 Thread stand assy 1 J21 H2004O0069 Oiler 1 聚丙烯 J22 H7212K...

Page 33: ... 31 K Belt cover Large component ...

Page 34: ...01 Belt cover 1 K02 H7227K8001 Upper cover 1 K03 H2000O0360 Screw 4 SM11 64 40 7 K04 H7236K8001 Belt brace 1 K05 HA300J2280 Screw 1 K06 H005009060 Washer 1 GB T 859 6 K07 H801045200 Screw 3 GB T 99 4 5 20 K08 HA300J2230 Washer 3 K Belt cover Large component ...

Page 35: ...sales highlead com cn http www highlead com cn SHANGHAI BIAOZHUN HAILING SEWING MACHINERY CO LTD ADD No 850 Shulin Road Songjiang District Shanghai P R China The description covered in this manual is subject to change for improvement of the commodity without notice 2016 12 Printed ...

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