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LU-1510N
JUKI LU-1510N User Manual
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– 38 –
(22) Thread trimmer device
1) Position of the counter knife and the clamp spring
Standard Adjustment
Counter knife gauge for both
1-needle and 2-needle
Conditions :
Make the edge of counter knife come in contact with the step difference of counter knife
base.
Dimension
Model
LU-1510N-7
LU-1511N-7
LU-1560N-7
LU-1561N-7
Left
Right
Dimension A
–
–
21.3
±
0.1 mm
Dimension B
–
–
4.5
±
0.1 mm
Dimension A
23.2
±
0.1 mm
Dimension B
3.5
±
0.1 mm
To contact
Edge of counter
knife base
Dimension
A
Dimension
B
1
2
3
4
5
Part B 4.5 mm
Part A 3.5 mm
41
43
Table of Contents
Table of Contents
3
Specifications
3
Lubrication Route Diagram
4
Drawing of the Table
4
Specifications
5
Standard Adjustment
10
Needle Entry Position
10
Longitudinal Position of the Feed Dog
10
Lateral Position of the Feed Dog
12
Height of the Feed Dog
12
Height of the Hook
14
Adjusting the Inner Hook Guide
14
Needle-To-Hook Timing
16
Lift of the Presser Foot
18
Hand Lifter
18
Knee Lifter (Without Thread Trimmer Only)
18
Automatic Presser Foot Lifter (Machine with Thread Trimmer Only)
20
Timing between the Upper Shaft and the Lower Shaft
20
Feed Cam Timing
22
Horizontal Feed Cam Timing
22
Top Feed Cam Timing
24
Feed Motion
26
Amount of Alternate Vertical Movement (Position of the Vertical Adjusting Arm)
26
Alternate Momentum
28
Needle Sway (Adjusting the Bottom Feed Amount)
28
Stitch Length of Normal/Reverse Feed
30
Balancer (Machine Without Thread Trimmer Only)
30
Vertical Position of the Needle Bar Rocking Frame
32
Dimension of the Needle Stop Adjusting Slide Shaft (Asm.)
34
Position of the Change Lever
34
Position of the Reverse Feed Control Lever
36
Safety Clutch
36
Reverse Feed Cylinder
38
Lubrication
38
In Case of Manual Lubrication
38
In Case of Automatic Lubrication
40
Thread Trimmer Device
42
Position of the Counter Knife and the Clamp Spring
42
Position of the Counter Knife Base
44
Vertical Position of the Moving Knife
44
Adjusting the Knife Pressure
46
Thread Trimmer Cam
46
Thread Trimmer Cam Timing
48
Connecting the Rocking Arm and the Thread Trimmer Roller Arm
48
Connecting the Left and Right Rocking Arms (2-Needle Machine Only)
50
Thread Trimmer Solenoid
50
Alternate Vertical Dial
52
Installing Position of the Detection Switch of the Amount of Alternate Vertical Movement
52
Installation of the Optional Parts
54
DL Device (for the Machine with Thread Trimmer Only)
54
Thread Trimmer Ver.up Set (Part No. for 1-Needle : 21389259, Part No. for 2-Needle : 21389267)
55
Bobbin Thread Remaining Amount Detecting Device (AE-10A Kit Part No. : GAE10000AA0)
55
Automatic Reverse Feed Device
56
Removing the Window Plate (Removing Parts List)
56
Removing the Reverse Feed Control Lever (Removing Parts List)
56
Installing the Reverse Feed Link Hinge Screw (List 1)
56
Installing the Reverse Feed Control Lever (List 2)
57
Installing the Automatic Reverse Feed Device (List 3)
58
Installing the Touch-Back Switch (List 4)
59
Installing the Pneumatic Components (List 5)
59
Automatic Presser Foot Lifter
60
Installing the Automatic Presser Foot Lifter (List A)
60
Installing the Pneumatic Device Components
61
Parts List
62
Portion to Which Locktite Is Applied
63
Selective Parts and Consumable Parts
64
Engraved Marker Dots on the Handwheel (for the Machine with Thread Trimmer Only)
65
Lubrication Route Diagram
65
Machine Head Wiring (for the Machine with Thread Trimmer Only)
66
Connectors Coming from Machine Head
66
Connectors Coming from Pneumatic Device
66
Connectors Coming from the Relay Cable (Connecting Side to the Control Box)
67
Table of Troubles and Corrective Measures
69
With Reagard to Sewing
69
With Regard to Thread Trimming
73
Drawing of the Table
79
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JUKI LU-1510N Specifications
General
Brand
JUKI
Model
LU-1510N
Category
Sewing Machine
Language
English
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