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Summary of Contents for HIGHLEAD GC24699
- Page 1 GC24699 Adjustable High 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 LUBRICATION ···················································································································································· 2 PRECAUTIONS OPERATION ························································································································· 2 INSTALLING NEEDLE ····································································································································· 2 WINDING BOBBIN THREAD ·························································································································· 2 THREADING ························································································································································ 3 BALANCE OF THREAD TENSION ················································································································ 3 ADJUSTMENT OF STITCH LENGTH AND REVERSE SEWING ·························································· 3 ADJUSTMENT OF THREAD TENSION········································································································... -
Page 3: Precautions Before Starting Operation
1. PRECAUTIONS BEFORE STARTING OPERATION 1) Safety precautions： （1）When turning the power on, keep your hands and fingers away from the area around/under the needle and the area around the pulley. （2）Power must be turned off when the machine is not in use, or when the operator leaves the seat. （3）Power must be turned off when tilting the machine head, installing or removing the “V”... -
Page 4: Lubrication
2. LUBRICATION(Fig.1,Fig.2,Fig.3) 1) Oiling(1) Filling the oil reservoir with oil up to “H” mark.Oil level should be periodically checked.If oil level is found below “L”level replenish oil to “H”level. Use white spindle oil. Oiling(2) When a new sewing machine is used for the first time, or sewing machine left out of use for considerably long time is used... -
Page 5: Threading
Length of wound thread:Loosen the thread lenghth adjusting screw to increase length of the thread and tighten the screw to decrease length of thread. 6. THREADING(Fig.6,Fig.7) （1）Pass each thread through thread guide A. Note:When thin slippery thread(polyster thread) is used pass the thread through thread guide B as show in Fig.7. -
Page 6: Adjustment Of The Pressure Of Presser Feet
To adjust needle thread tension,turn each tension adjusting nut.Needle thread tension can be also adjusted for special fabric and thread by changing intensity and movable range of slack thread adjusting spring. 10. ADJUSTMENT OF THE PRESSURE OF PRESSER FEET(Fig.11) The pressure of the presser feet is regulated by the adjusting screw. To increase the pressure, turn the screw to clockwise, and decrease it, turn the screw to counter-clockwise. -
Page 7: Timing Between The Needle And Hook
arrow(timing mark)put on the timing belt is in line with the line on the boss of lower shaft bearing. （3）If the timing mark is not in line with the line,remove the timing belt and install it again to adjust. 14. TIMING BETWEEN THE NEEDLE AND HOOK(Fig.16,Fig.17,Fig.18) （1）Set the stitch length to “0”on the feed setting dial. -
Page 8: 16. Adjustment The Stitch Tolerance
a.While pressing down the push botton on the bed by left hand,turn the pulley slowly by right hand away from you as shown in Fig.19. b.When the belt pulley stopped by the gear plate,then turn the pulley more firmly. c.Release the push botton,the safety cluth device is set. （3）Force applied to the safety clutch a.The force applied to the safety clutch is the smallest when the mark on the eccentric pin faces the center of the lower shaft.The force... -
Page 9: Arm Bed And Its Mechanism
A.ARM BED AND ITS ACCESSORIES — 7 —... - Page 10 A.ARM BED AND ITS ACCESSORIES Fig. Part No. Description Pcs. Remarks HA300B2090 Rubber plug HA300B2170 Screw H4716B8001 Oil guard plate H4717B8001 Thread take-up cover H4715B8001 Ф13 Rubber plug H4718B8001 Side plate(left) H2000B2010 Rubber plug H4719B8001 Side plate(right) HA700B2060 Screw H2400B2100 Thread guide HA307B0673 Ф18...
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Page 11: Thread Tension Regulator Mechanism
B.THREAD TENSION REGULATOR MECHANISM — 9 —... - Page 12 B.THREAD TENSION REGULATOR MECHANISM Fig. Part No. Description Pcs. Remarks H3221B6811 Screw H3221B3142 Tension releasing plate H3221B6812 Tensiong releasing spring H4705C8001 Screw H4706C8001 Lever HA7311C306 Screw H4707C8001 Mounting plate H007013050 E-type ring H3221B6820 Mounting plate HA300C2030 Screw H3221B6810 H4708C8001 Spring H4709C8001 Push button HA112B0693...
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Page 13: Upper Shaft Mechanism
C.ARM SHAFT MECHANISM — 11 —... - Page 14 C.ARM SHAFT MECHANISM Fig. Part No. Description Pcs. Remarks HA307C0662 Screw H4706D8001 Needle bar crank HA105D0662 Screw HA100C2060 Screw HA100C2070 Screw H4708D8001 Screw H32111B104 Felt H32111B204 Arm shaft bushing(left) H4709D8001 Shaft H3205C0661 Spring flange HA113F0684 Screw H3205C1021 Belt pulley(upper) HA100F2130 Screw H3205J0662 Bearing...
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Page 15: Presser Foot Mechanism
D.UPPER SHAFT & PRESSER FOOT MECHANISM — 13 —... - Page 16 D.UPPER SHAFT & PRESSER FOOT MECHANISM Fig. Part No. Description Pcs. Remarks H4705E8001 Feed lifting rock shaft H4707E8001 GB6170-86 Bushing H0030550608 Nut H4706E8001 Screw H4709E8001 Crank H3115F0671 Screw H2013J0065 Washer H2014J0066 Connecting rod H2000J2100 Screw H4713E8001 Oil wick H20111C106 Holder H007009250 C-type ring H4714E8001...
- Page 17 D.UPPER SHAFT & PRESSER FOOT MECHANISM Fig. Part No. Description Pcs. Remarks H4718E8001 Screw H2004J0662 Screw H4719E8001 Link HA100E2150 Screw H4722E8001 Washer H4721E8001 Guide H4753E8001 Screw H4708D8001 Screw H7105E8001 Lifting presser foot — 15 —...
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Page 18: Thread Take-Up Lever&Needle Bar Mechanism
E.TAKE-UP THREAD AND ARM SHAFT MECHANISM — 16 —... - Page 19 E.TAKE-UP THREAD AND ARM SHAFT MECHANISM Fig. Part No. Description Pcs. Remarks H2405D1122 Oil wick H4706F8001 Needle bar guide bracket stud H4707F8001 HA100C2020 Set screw H2405D1122 Oil wick H2405D1121 Thread take-up lever support stud H4712F8001 Thread take-up lever H2405D1112 Thread take-up slide brock HA110D0672 Screw H24211D405...
- Page 20 E.TAKE-UP THREAD AND ARM SHAFT MECHANISM Fig. Part No. Description Pcs. Remarks HA100C2170 Screw H3129F0691 Screw H7106F8001 Vibrating presser foot HA700F2100 Screw — 18 —...
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Page 21: Stitch Regulator Mechanism
F.STITCH REGULATOR MECHANISM — 19 —... - Page 22 F.STITCH REGULATOR MECHANISM Fig. Part No. Description Pcs. Remarks H4706G8001 Feed regulator HA113F0684 Screw H3200F2020 Screw H7104G8001 Link HA100G2070 Eccentric shaft H4709G8001 Reverse stitch crank H3207F0671 Reverse stitch crank HA800F2020 Screw HA100F2110 Washer HA113F0684 Screw H4711G8001 Feed reversing lever H3207F0672 Screw H4710G8001 Spring...
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Page 23: Lower Shaft&Feed Rock Shaft Mechanism
G.LOWER SHAFT & FEED ROCK SHAFT MECHANISM — 21 —... - Page 24 G.LOWER SHAFT & FEED ROCK SHAFT MECHANISM Fig. Part No. Description Pcs. Remarks H4706H8001 Lower shaft bushing(left) H4707H8001 Oil wick H7107H8001 Lower shaft H8615H8001 Feed lifting cam H3205H0654 SM1/4（40）×5 Screw H8618H8001 Lower shaft bushing(right) H4713H8001 Oil wick H007013050 E-type ring H4714H8001 Spring H4715H8001...
- Page 25 G.LOWER SHAFT & FEED ROCK SHAFT MECHANISM Fig. Part No. Description Pcs. Remarks H7105H8001 Feed connectiong crank(right) H2012N0652 Screw HA100G2120 Bushing H4708D8001 Screw HA108G0661 Collar HA105D0662 Screw H2012N0652 Screw H4736H8001 Feed connection crank(middle) H3204G0651 Feed rock shaft H3204G0652 Felt HA104G0012 Screw H3205G1032 Feed connection crank...
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Page 26: Feed Bar Mechanism
H.FEED BAR MECHANISM — 24 —... - Page 27 H.FEED BAR MECHANISM Fig. Part No. Description Pcs. Remarks H7107I8002 Feed dog H7108I8001 Screw HA100C2190 Screw H7118B8002 Needle plate H8604I8001 Feed bar H7106I8001 Screw H8607H8001 Screw HA300B2160 Screw H7109I8001 Cover plate H3208G0675 H415060160 Screw H415060200 Screw H8616H8001 Bracket(right) H8605H8001 Bracket(left) H7105I8001 Slide block —...
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Page 28: Hook Saddle Mechanism
I.HOOK SADDLE MECHANISM — 26 —... - Page 29 I.HOOK SADDLE MECHANISM Fig. Part No. Description Pcs. Remarks H7124J8001 Screw H7123J8001 Hook cover H7109J8001 Hook saddle H5337D8001 Screw H2400I2020 Bobbin H4114D0069 Hook complete H7125J8001 Openner H41622D216 Slide block H410270D16 H7115J8001 Plate HA105D0662 Screw H2204C0651 Screw H7106J8001 Collar H7104J8001 Hook shaft H3210F0681 Screw H7122J8001...
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Page 30: Hook Saddle Slanting Mechanism
J.HOOK SADDLE SLANTING MECHANISM — 28 —... - Page 31 J.HOOK SADDLE SLANTING MECHANISM Fig. Part No. Description Pcs. Remarks H8604J8001 Hook saddle post HF01060200 Ball H415080350 Screw H8629K8001 Position bracket(right) H415060400 Screw HF01080250 Ball H8623K8001 Screw H8622K8001 H8621K8001 Spring H8619K8001 Connection block H8616K8001 Eccentric shaft H8617K8001 Bushing H8618K8001 H429050050 Screw H8624K8001 Spanner bracket...
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Page 32: Oil Lubrication Mechanism
K.OIL LUBRICATION MECHANISM — 30 —... - Page 33 K.OIL LUBRICATION MECHANISM Fig. Part No. Description Pcs. Remarks H32175B304 Felt H4705J7101 Oil pipe complete H3204K0011 Oil reservoir complete H411040160 Screw H4707J8001 Holder H7109K8001 Oil pipe H7110K8001 Oil pipe H7111K7101 Oil pipe complete HA7311CC06 Screw HA100I2050 Spring washer H2000M0110 Holder HA106B0676 Holder H3230K0751...
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Page 34: Accessories
L.ACCESSORIES — 32 —... - Page 35 L.ACCESSORIES — 33 —...
- Page 36 L.ACCESSORIES Fig. Part No. Description Pcs. Remarks DP×17 22# Needle H2400I2020 Bobbin HA300J2230 Washer H801045200 Screw H4700K0020 Vibration preventing rubber H4700K0030 Vibration preventing rubber HA110J0070 Hinge complete HA100J2120 Magnet block for reservoir HA300J2200 Screw drive(middle) H7122L8001 Crank HA300J2180 Screw H3214L2011 Support stud complete H7119L8001 Shaft...
- Page 37 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 2019.5. Printed...