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Manuals
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HIGHLEAD Manuals
Sewing Machine
GC20638
Instruction manual
HIGHLEAD GC20638 Instruction Manual
Compound split needle bar feed lockstitch sewing machine
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Contents
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Table of Contents
Table of Contents
Preparation for Operation
Latnp Leads
Connection of Control Box
Adjustment of Needle Bar Stop Position
Cautions on Use
Lubrication (1)
Lubrication (2)
Adjustment of Oiling to Rotating Hook
Condition of Oil Lubrication
Cautions on Operation
Operation
How to Attach Needle
How to Wind the Lower Thread
Selection of Thread
How to Route the Upper Thread
Adjustment of Stitch Length and Reverse Sewing
Settingbobbin
Threading Ofbobbin Thread
Tension Adjustment Ofbobbin Threads
Balance of Thread Tension
Needle Thread Tension
Adjustment of Pressure of Presser Foot
Timing between Rotating Hook Motion and Needle Motion
Adjustment of Feed Dog Height
Adjustment the Needle Stop Position
Needle Bar Stop Position (Left & Right)
Walking Foot and Presser Foot Vertical Stroke Adjustment
7) 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
Safe Clutch Device
Adjustnlent
Installation of Movable Knife
Adjustnlent Ofthread Trimmer Cam
Adjustnlent of Threads Tension Release Assembly
Adjustnlent of Scissoring Pressure of Movable Knife and Fixed Knife
26) Sharpening of Fixed Knife
Adjustnlent for Change Ofneedle-To-Needle Distance
A.arm Bed Mechanism
Thread Tension Regulator Mechanism
C.arm Shaft*Lower Shaft Mechanism
0, Presser Foot Mechanism
E.needle Bar & Take-Up Lever Mechanism
F, Top Feed Rock Shaft Mechanism
G.lower Shaft & Feed Rock Shaft Mechanism
H.hook Saddle Mechanism
L Knift Mechanism ( 1)
J, Knift Mechanism (2)
K, Touch Back and Detector Mechanism
L Oil Lubrication Mechanism
Accessories
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HIGH LEAD
GC20638/GC20638-D
Compound Split Needle Bar Feed Lockstitch
Sewing Machine
Instruction Manual
Parts Catalog
SHANGHAI HUIGONG N0.3 SEWING MACHINE FACTORY
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