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HIGHLEAD Manuals
Sewing Machine
GC20518 Series
Instruction manual
HIGHLEAD GC20518 Series Instruction Manual
Twin-needle high speed lockstitch sewing machine
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Instruction manual
(61 pages)
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Contents
Table of Contents
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Table of Contents
Table of Contents
Precautions before Starting Operation
Preparation for Operation
Power Cable Connection
Connection of Control Box
Adjustment of Needle Bar Stop Position
Cautions on Use
Oiling ( 1)
Oiling (2)
Oiling Condition
Adjustment of Oiling to Rotating Hook
Cautions on Operation
Operation
Installation of Needles
Winding of Bobbin Thread
Selection of Thread
Threading of Needle Threads
Adjustment of Feed (Stitch) Length and Stitch Reversing (Touch-Back)
Setting of Bobbin
Adjusting of Needle Thread Guide
Threading of Bobbin Threads
Tension Adjustment of Bobbin Threads
Balance of Thread Tension
11. Needle Thread Tension
Adjustment of Presser Foot Pressure
Timing between Rotating Hook Motion and Needle Motion
Adjustment of Feed Dog Height
Relationship between Rotating Hook Motion and Take-Up Lever Motion
Relationship between Hook Motion and Opener Motion
Relationship between Needle Motion and Feed Dog Motion
Installation of Movable Knife
Adjustment of Thread Trimmer Cam
Adjustment of Meshing Pressure of Movable Knife and Fixed Knife
Sharpening of Fixed Knife
Adjustment for Change of Needle Gage
Wiper Adjustment
Speciifications
PARTS CATALOG 1. Arm Bed Its Accessories
Thread Tension Regulator Mechanism
Arm Shaft Presser Foot Mechanism
Needle Bar Rocking Motion Mechanism
Stitch Regulator Mechanism
Lower Shaft & Feed Rock Shaft Mechanism
Hook Saddle Mechanism
Knife Mechanism ( =)
Wiper Mechanism
Oil Lubrication Mechanism
Accessories
Gauge Parts Liat
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From the library of: Superior Sewing Machine & Supply LLC
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Summary of Contents for HIGHLEAD GC20518 Series
Page 1
From the library of: Superior Sewing Machine & Supply LLC...
Page 2
From the library of: Superior Sewing Machine & Supply LLC...
Page 3: Table Of Contents
From the library of: Superior Sewing Machine & Supply LLC...
Page 4
From the library of: Superior Sewing Machine & Supply LLC...
Page 5
From the library of: Superior Sewing Machine & Supply LLC...
Page 6
From the library of: Superior Sewing Machine & Supply LLC...
Page 7: Precautions Before Starting Operation
From the library of: Superior Sewing Machine & Supply LLC...
Page 8: Preparation For Operation
From the library of: Superior Sewing Machine & Supply LLC...
Page 9: Connection Of Control Box
From the library of: Superior Sewing Machine & Supply LLC...
Page 10: Cautions On Use
From the library of: Superior Sewing Machine & Supply LLC...
Page 11: Adjustment Of Oiling To Rotating Hook
From the library of: Superior Sewing Machine & Supply LLC...
Page 12: Winding Of Bobbin Thread
From the library of: Superior Sewing Machine & Supply LLC...
Page 13: Adjustment Of Feed (Stitch) Length And Stitch Reversing (Touch-Back)
From the library of: Superior Sewing Machine & Supply LLC...
Page 14: Threading Of Bobbin Threads
From the library of: Superior Sewing Machine & Supply LLC...
Page 15: Adjustment Of Presser Foot Pressure
From the library of: Superior Sewing Machine & Supply LLC...
Page 16: Adjustment Of Feed Dog Height
From the library of: Superior Sewing Machine & Supply LLC...
Page 17: Relationship Between Hook Motion And Opener Motion
From the library of: Superior Sewing Machine & Supply LLC...
Page 18: Installation Of Movable Knife
From the library of: Superior Sewing Machine & Supply LLC...
Page 19: Adjustment Of Thread Trimmer Cam
From the library of: Superior Sewing Machine & Supply LLC...
Page 20: Adjustment Of Meshing Pressure Of Movable Knife And Fixed Knife
From the library of: Superior Sewing Machine & Supply LLC...
Page 21: Adjustment For Change Of Needle Gage
From the library of: Superior Sewing Machine & Supply LLC...
Page 22: Wiper Adjustment
From the library of: Superior Sewing Machine & Supply LLC...
Page 23: Speciifications
From the library of: Superior Sewing Machine & Supply LLC...
Page 24: Parts Catalog 1. Arm Bed Its Accessories
From the library of: Superior Sewing Machine & Supply LLC...
Page 25
From the library of: Superior Sewing Machine & Supply LLC...
Page 26: Thread Tension Regulator Mechanism
From the library of: Superior Sewing Machine & Supply LLC...
Page 27
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Page 28
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Page 29: Arm Shaft Presser Foot Mechanism
From the library of: Superior Sewing Machine & Supply LLC...
Page 30
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Page 31
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Page 32: Needle Bar Rocking Motion Mechanism
From the library of: Superior Sewing Machine & Supply LLC...
Page 33
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Page 34: Stitch Regulator Mechanism
From the library of: Superior Sewing Machine & Supply LLC...
Page 35
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Page 36: Lower Shaft & Feed Rock Shaft Mechanism
From the library of: Superior Sewing Machine & Supply LLC...
Page 37
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Page 38
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Page 39: Hook Saddle Mechanism
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Page 40
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Page 41
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Page 42
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Page 43
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Page 44
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Page 45: Knife Mechanism ( =)
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Page 46
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Page 47
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Page 48
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Page 49: Wiper Mechanism
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Page 50
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Page 51: Oil Lubrication Mechanism
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Page 52
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Page 53
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Page 54
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Page 55
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Page 56: Accessories
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Page 57: Gauge Parts Liat
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Page 58
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Page 59
From the library of: Superior Sewing Machine & Supply LLC...
Page 60
From the library of: Superior Sewing Machine & Supply LLC...
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