JUKI LBH-1700 - Thread breakage detecting plate adjustment; Presser lifting solenoid adjustment

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−36 −

Standard Adjustment

0.5 to 1 mm

(32) Adjusting the thread breakage detecting plate

(33) Adjusting the presser lifting solenoid

When clearance is small

(large stroke)

When clearance is large

(small stroke)

Main Page

Specifications1
Standard Adjustment2
Height of the Needle Bar2
Needle-To-Hook Timing2
Needle Rocking Timing4
Height of the Needle Bar Rocking Rod (Adjusting the Reference of Needle Bar Rocking Components)4
Adjusting the Stitch Width PM Arm and Backlashes of the Stitch Base Line and Stitch Width Gears6
Detecting the Origin of the Stitch Base Line Stepping Motor6
Detecting the Origin of the Stitch Width Stepping Motor8
Backlash of the Feed Gear8
Longitudinal Position of the Presser and the Feed Shaft10
Knife Drop Position10
Knife Bar/Position of the Knife Installing Base/Knife Bar Stroke12
Knife Detector Sensor14
Position of the Starting Safety Arm16
Adjusting the Starting Safety Hook16
Adjusting the Starting Sensor18
Adjusting the Needle Thread Trimmer Control Lever20
Adjusting the Stop-Motion Solenoid20
Stroke of the Stop-Motion Solenoid22
Longitudinal Amount of the Needle Thread Trimmer22
Lateral Position of the Needle Thread Trimmer24
Height of the Needle Thread Trimmer24
Position of Winding the Needle Thread at the Start of Sewing26
Opening Timing of the Needle Thread Trimmer26
Spring Pressure of the Needle Thread Trimmer28
Adjusting the Needle Thread Trimmer Lever28
Position of the Bobbin Thread Trimmer/Position of Bobbin Thread Clamp Plate30
Timing to Open the Bobbin Thread Trimmer and the Opening Amount / Adjusting the Bobbin Winder Trip Latch30
Height of the Presser32
Adjusting the Thread Tension Solenoid32
Adjusting the Safety Switch34
Adjusting the Bobbin Winder34
Adjusting the Thread Breakage Detecting Plate36
Adjusting the Presser Lifting Solenoid36
Adjusting the Presser Lifting Air Cylinder38
Adjusting the Presser Fall Detecting Plate38
Disassembling/Assembling Procedure40
Disassembling/Assembling the Hook Driving Shaft40
Disassembling/Assembling the Main Shaft42
Adjusting the Timing Belt Tension44
Adjustment of the Origin Sensor46
Adjusting Procedure of the Upper Detecting Plate46
Adjusting Procedure of Stepping Motor Origin47
Lubrication Mechanism49
Lubrication49
Lubricating the Respective Components49
Adjusting the Amount of Oil50
Lubricating Other Components50
Description of Operation Panel52
Sewing Data54
Sewing Data List54
Making the Radial Flow Bar-Tacking Shape58
Sewing Data Initial Value Table59
Sewing Data Initial Value Table (Change Not Possible)60
Memory Switch61
How to Use the Memory Switch61
Memory Switch List62
How to Set the Memory Switch63
DIP Switches on the SDC Circuit Board72
Test Mode73
How to Use the Test Mode73
Error Display List74
Troubles and Corrective Measures80
With Regard to Sewing80
Woth Regard to Mechanical Components89
With Regard to Electrical Components92
Circuit Diagram104
Optional Parts116
Table of the Optional Parts116
Thread Tension VR (Variable Resistor)116
Others117
How to Remodel the Presser to the Type 4 Presser117
Points of Replacing the Presser with that of 60 MM or 70 MM118
Drawing of the Table121

JUKI LBH-1700 - Thread breakage detecting plate adjustment; Presser lifting solenoid adjustment

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