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Sewing Machine
LU-1508H
JUKI LU-1508H Engineer's Manual
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−
5
−
3) Lateral position of the feed dog
4) Height of the feed dog
Standard Adjustment
①
②
〃
〃
①
②
③
④
A
Fig. 6
Fig. 7
Fig. 8
Conditions
• Needle bar is set to the lower dead point of its stroke.
• Feed amount : 0 mm
Conditions
• Feed amount : 0 mm
• Height of the feed dog is at its maximum.
Model
Dimension A
LU-1510
0.4 to 0.5 mm
LU-1510-7
LU-1508
0.8 to 0.9 mm
LU-1508H
7
9
Table of Contents
Default Chapter
3
Table of Contents
3
Specifications
4
Standard Adjustment
6
Position of the Needle Entry
6
Longitudinal Position of the Feed Dog
6
Lateral Position of the Feed Dog
8
Height of the Feed Dog
8
Height of the Hook
10
Adjusting the Inner Hook Guide
10
Needle-To-Hook Timing
12
Presser Lifter Lever
14
Knee Lifter
14
Main Shaft-To-Hook Driving Shaft Timing
16
Feed Drive Eccentric Cam Timing
16
Installing Position of the Alternate Vertical Movement Amount Detecting Switch
18
Top Feed Cam Timing
20
Feed Movement
20
Ⅰ. Amount of Alternate Vertical Movement of Walking Foot and Presser Foot
20
In Case of the Machine Without Thread Trimmer
20
In Case of the Machine with Thread Trimmer
22
Ⅱ. Amount of Alternate Movement of Walking Foot and Presser Foot
22
Needle Sway (Optional Selection of LU-1510 and LU-1510-7 Only)
24
Stitch Length of Normal/Reverse Feed
24
Balancer
24
Position of the Reverse Feed Control Lever
26
Safety Clutch
26
Lubrication
28
Standard Adjustment of the Additional Devices (Lu-1510-7)
32
Thread Trimmer Device
32
Position of the Counter Knife and the Clamp Spring
32
Position of the Counter Knife Base
32
Vertical Position of the Moving Knife
34
Adjusting the Knife Pressure
34
Thread Trimmer Solenoid
36
Thread Trimmer Cam
36
Thread Trimmer Cam Timing
38
Connecting the Driving Arm and the Thread Trimmer Roller Arm
38
Installaion of the Optional Parts
40
Automatic Reverse Feed Device
40
Removing the Side Plate
40
Removing the Reverse Feed Control Lever
40
Installing the Reverse Feed Link Hinge Screw
40
Installing the Reverse Feed Control Lever
42
Installing the Automatic Reverse Feed Device
42
Installing the Touch-Back Switch
44
Installing the Pneumatic Components
44
Automatic Presser Foot Lifter
48
Assembling the Automatic Presser Foot Lifter
48
Installing the Pneumatic Device Components
50
Portion to Which Locktite Is Applied
52
Selective Parts and Consumable Parts
53
Engraved Marker Dots on the Handwheel
54
Piping Diagram (Lu-1510 and Lu-1510-7)
54
Table of Troubles in Sewing and Corrective Measures
55
Trable of Troubles in Thread Trimming and Corrective Maesures
59
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JUKI LU-1508H Specifications
General
Brand
JUKI
Model
LU-1508H
Category
Sewing Machine
Language
English
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