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Summary of Contents for HIGHLEAD GC24698-BRHL
- Page 1 GC24698-BRHL/BLHL Long Arm Super Post Bed Compound Feed Lockstitch Sewing Machine Instruction Manual Parts Catalog SHANGHAI BIAOZHUN HAILING SEWING MACHINERY CO.,LTD.
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Page 2: Table Of Contents
CONTENTS ─── ─── OPERATION INSTRUCTION PRECAUTIONS BEFORE STARTING OPERATION ············································································· 1 SPECIFICATIONS ········································································································································ 1 LUBRICATION·············································································································································· 1 PRECAUTIONS OPERATION ···················································································································· 2 INSTALLING NEEDLE ································································································································ 2 WINDING BOBBIN THREAD ····················································································································· 2 THREADING ················································································································································· 3 ADJUSTMENT OF STITCH LENGTH AND REVERSE SEWING ······················································· 3 SETTING BOBBIN ········································································································································... -
Page 3: Precautions Before Starting Operation
（1）Avoid using the machine at abnormally high temperatures （35 ℃ r） or low temperatures （5 ℃ or highe or lower）. （2）Avoid using the machine in dusty conditions. 2. SPECIFICATIONS Model GC24698-BRHL/BLHL Max.sewing speed 800r.p.m Stitch length 10mm Presser-foot stroke 8mm By hand 16mm By pneumatic Needle size DP×17 17# -23#... -
Page 4: Precautions Operation
Note:Filling the oil to the hook saddle everyday during operation. See dripping of oil through the oil window to check oiling condition during operation. 4. PRECAUTIONS OPERATION （1）When the power is turned on or off, keep foot away from the pedal. （2）It should be noted that the brake may not work when the power is interrupted or power failure occurs during sewing machine operation. -
Page 5: Threading
（3）Press lever 1 in the direction of the arrow, and start the sewing machine. （4）The operation will automatically stop when winding is completed. （5）Adjustment of thread winding strength, adjust with the thread adjuster nut 2. （6）Adjustment of thread winding amount, adjust by loosening screw 3 and moving adjustment plate 4: The thread winding amount will increase when moved in the direction of a. -
Page 6: Adjustment Of Thread Tension
Hold the needle thread by hand,turn the pulley a circle by right hand.By pulling up the needle thread,the bobbin thread will be lifted.Combination of bobbin thread and needle thread should be aligned and led back ward. 10. ADJUSTMENT OF THREAD TENSION(Fig.11,Fig.12,Fig.13) There is virtually no need to adjust the bobbin thread tension, except for special kind of the thread, when slight adjustment will be... -
Page 7: Adjustment Of The Virtical Stroke Walk Foot And Vibrating Foot
（2）If the feed dog is too low,or the pressure of presser foot is too small, the stitch length cann’t be assured. （3）Feed dog height should be measured at the point where the needle is at the top position. Thin material:The height of the feed dog is 0.8mm. Usual material: The height of the feed dog is 1mm. -
Page 8: Safety Clutch Device
（2）Lean the machine head backward. （3）Loosen the feed lifting rock shaft crank set screw A and B. （4）Set the needle at the lowest position. （5）Adjust the distance between presser bar and vibration bar to 8mm and temporarily tighten the feed lifting rock shaft crank set screw A and B. -
Page 9: Arm Bed Mechanism
A.ARM BED MECHANISM — 7 — — 7 —... - Page 10 A.ARM BED MECHANISM Fig. Part No. Description Remarks Rubber cap HA300B2090 Screw HA300B2170 SM11/64(40)×8 Oil guard plate H4716B8001 Thread take-up cover H4717B8001 Rubber cap H4715B8001 Ф13 Arm side cover (left) H4718B8001 Rubber cap H2000B2010 Ф13 Screw HA700B2060 SM11/64(40)×8 Thread guide H2400B2100 Bobbin winder H7007D7101...
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Page 11: Thread Tension Regulator Mechanism
B.THREAD TENSION REGULATOR MECHANISM — 9 — — 9 —... - Page 12 B.THREAD TENSION REGULATOR MECHANISM Fig. Part No. Description Remarks Screw H3221B6811 SM9/64(40)×1.9 Tension releasing plate H3221B3142 Tension releasing spring H3221B6812 Screw H4705C8001 SM9/64(40)×2.9 Lever H4706C8001 Screw HA7311C306 SM9/64(40)×5.5 Mounting plate H4707C8001 E-type ring H007013050 Mounting plate H3221B6820 Screw HA300C2030 SM11/64(40)×8 H3221B6810 SM11/64(40) Spring...
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Page 13: Arm Shaft&Middle Shaft Mechanism
C.ARM SHAFT&MIDDLE SHAFT MECHANISM — 11 — — 11 —... - Page 14 C.ARM SHAFT&MIDDLE SHAFT MECHANISM Fig. Part No. Description Remarks Set screw HA307C0662 SM1/4(40)×6 Screw HA105D0662 SM1/4(40)×4 Crank H4706D8001 Screw HA100C2060 SM9/32(28)×13 Screw HA100C2070 SM9/32(28)×10 Arm shaft bushing(left) H32111B204 Screw H2405D0664 SM15/64(28)×14 Felt H32111B104 Bushing H7005D8001 Screw H5320C8001 SM15/64(28)×8 Arm shaft HN40D48001 Spring flange H3205C0661...
- Page 15 C.ARM SHAFT&MIDDLE SHAFT MECHANISM Fig. Part No. Description Remarks H4718D8001 Link H4719D8001 Bushing H4720D8001 Screw H4721D8001 SM15/64(28)×10.5 Belt(lower) H3200C2030 Belt pulley(lower) H4722D8001 Screw H4723D8001 SM15/64(28)×4.5 — 13 —...
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Page 16: Presser Foot Mechanism
D.PRESSER FOOT MECHANISM — 14 — — 14 —... - Page 17 D.PRESSER FOOT MECHANISM Fig. Part No. Description Remarks Feed lifting rock shaft H4705E8001 Set screw H4706E8001 SM1/4(24)×7 Bushing H4707E8001 H0030580608 Nut M6×0.75 Crank H4709E8001 Screw H3115F0671 SM1/4(28)×16 Washer H2013J0065 Connecting rod H2014J0066 Screw H2000J2100 M6×0.75 Oil wick H4713E8001 Holder H20111C106 C-type ring H007009250 Eccentric...
- Page 18 D.PRESSER FOOT MECHANISM Fig. Part No. Description Remarks Bracket H4752E8001 Bell crank H4715E8001 Screw H4708D8001 SM1/4(24)×13 Link H4719E8001 Bell crank guide H4721E8001 Washer H4722E8001 Screw HA100E2150 SM11/64(40)×10 — 16 —...
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Page 19: Needle Bar Thread Take-Up Mechanism
E.NEEDLE BAR THREAD TAKE-UP MECHANISM — 17 — — 17 —... - Page 20 E.NEEDLE BAR THREAD TAKE-UP MECHANISM Fig. Part No. Description Remarks Oil wick H2405D1122 Needle bar guide bracket stud H4706F8001 Screw H4707F8001 SM5/16(28)×10.4 Screw HA100C2020 SM15/64(28)×10 Oil wick H2405D1122 Thread take-up lever support stud H2405D1121 Thread take-up lever H4712F8001 Screw HA110D0672 SM15/64(28)×12 Thread take-up slide brock H2405D1112...
- Page 21 E.NEEDLE BAR THREAD TAKE-UP MECHANISM Fig. Part No. Description Remarks Crank pin H3406C0671 SM15/64(28)×10 Taper H602040240 H7107F8001 SM5/16(24) Needle bar vibrating crank(right) H7104F8001 Screw H2012N0652 SM1/4(44)×16 Link HN40F48001 Screw H7108F8001 SM5/16(24)×6 Oil wick H32311D406 — 19 —...
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Page 22: Stitch Regulator Mechanism
F.STITCH REGULATOR MECHANISM — 20 — — 20 —... - Page 23 F.STITCH REGULATOR MECHANISM Fig. Part No. Description Remarks Feed regulator H4706G8001 Screw HA113F0684 SM15/64(28)×8.5 Screw H3200F2020 SM15/64(28)×12 Link HN40G48001 Eccentric shaft HA100G2070 Reverse stitch shaft HN40G58001 Screw HA800F2020 SM15/64(28)×12 Reverse stitch crank HF30G58001 Screw H431050050 Collar H8841B8001 Washer HA100F2110 Spring H4939L8001 Feed reversing lever H4906G8001...
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Page 24: Lower Shaft&Feeding Shaft Mechanism
G.LOWER SHAFT&FEEDING SHAFT MECHANISM — 22 — — 22 —... - Page 25 G.LOWER SHAFT&FEEDING SHAFT MECHANISM Fig. Part No. Description Remarks Lower shaft bushing (left) H4706H8001 Oil wick H4707H8001 Feed eccentric cam HF60H68001 Screw H3205H0654 SM1/4(40)×5 Lower shaft H7004H8001 Screw H2405D0664 SM15/64(28)×14 Feed eccentric H4717H8001 E-type stop ring H007013050 Push button H4715H8001 Spring H4714H8001 Needle bearing...
- Page 26 G.LOWER SHAFT&FEEDING SHAFT MECHANISM Fig. Part No. Description Remarks Oil wick H3204G0031 Feed connection crank (left) H3205G1032 Screw HA104G0012 SM3/16(28)×12 Felt H4740H8001 Screw H4708D8001 SM1/4(24)×13 Feed rock shaft bushing HA100G2120 Screw HA105D0662 SM1/4(40)×4 Collar HA108G0661 Feed rock shaft H7005H8001 Feed connection crank (middle) H4736H8001 Screw H2012N0652...
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Page 27: Hook Saddle Mechanism
H.HOOK SADDLE MECHANISM — 25 — — 25 —... - Page 28 H.HOOK SADDLE MECHANISM Fig. Part No. Description Remarks Bobbin HD806I8001 Hook HD804I7101 KRT8-LPS HE021B8001 Screw HE028E8001 SM7/32(32)×7 Plate HN41I58001 Screw HE517J8001 SM9/64(40)×5.5 Needle plate HN41I38001 Feed dog HN41I18001 Feed dog HFI2068001 Screw HE012E8001 SM11/64(32)×6.5 Feed bar HN41I28001 Screw H0204I8001 SM3/16(32)×7.5 HE540J8001 Feed bar set bracket HN40I98001...
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Page 29: Oil Lubrication Mechanism
I.OIL LUBRICATION MECHANISM — 27 — — 27 —... - Page 30 I.OIL LUBRICATION MECHANISM Fig. Part No. Description Remarks Felt H32175B304 Oil pipe complete H4705J7101 Oil reservoir complete H3204K0011 Screw H411040160 Holder H4707J8001 Felt H7005J8001 Oil pipe complete H7004J7101 Holder H32311D606 Screw HA106B0676 SM9/64(40)×7 Oil wick Ф2.5×35 H3200K0180 Holder H3200K0160 Oil pipe complete H7010J7101 Holder H3200K0170...
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Page 31: Accessories
J.ACCESSORIES — 29 — — 29 —... - Page 32 J.ACCESSORIES Fig. Part No. Description Remarks Needle DP×17 23# Socket wrench HB01001025 2.5mm Socket wrench HB01001030 Socket wrench HB01001015 1.5mm Bobbin HD806I8001 Vibration preventing rubber HF905L8001 Vibration preventing rubber H2004O0066 Screw H2404K0656 Hinge complete 1 H2404K0654 Hinge complete 2 H2404K0655 Screw H802080350 Oil pan...
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Page 33: Touch Back And Foot Lift Mechanis
K.TOUCH BACK AND FOOT LIFT MECHANISM — 31 — — 31 —... - Page 34 K.TOUCH BACK AND FOOT LIFT MECHANISM Fig. Part No. Description Remarks Air cylinder H4915G8001 SDA25×25-B Side plate HN41B38001 Screw HA300B2170 SM11/64(40)×8 Spring washer H005008060 Screw H415060200 Pole H4914G8001 Feeler H4913G8001 Joint H4916G8001 φ6-M5,EPL6-M5 Air cylinder H4905E8001 MD25×25 Block H4906E8001 Value H0608N8001 φ6-M5,ESL6-M5 Screw...
- Page 35 SHANGHAI BIAOZHUN HAILING SEWING MACHINERY CO., LTD. ADD: NO.850 Shulin Road, Songjiang District Shanghai, P.R.China Zip Code: 201612 Overseas Business: TEL: 86-21-64853303 FAX: 86-21-64854304 E-mail:sales@highlead.com.cn http://www.highlead.com.cn The description covered in this manual is subject to change for improvement of the commodity without notice 2019.3. Printed...