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Sewing Machine
T-8452D
Brother T-8452D User Manual
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Names of major parts
<T
-8452D,8752D>
(1)
Bobbin winder
(2)
Thread wiper(T
-8422D/T
-8452D/T
-8722D/
T
-8752D)
(3)
Lifting lever
(4)
Quick reverse (Hand switch)
(5)
Presser foot
(6)
Control box
(7)
Knee lifter assembly
(8)
Power switch
(9)
Stitch length dial
(10)
Reverse lever
(1
1)
Oil gauge window
(12)
Machine pulley
(13)
Operation panel
(14)
Cotton stand
(15)
Stop lever(T
-8452D/T
-8752D)
(16)
Thread take-up cover
(17)
Finger guard
(18)
Motor cover
vii
7
9
Table of Contents
Default Chapter
12
Table of Contents
12
Installation
14
Points to Note before Installation
14
Installing the Sewing Machine
16
Lubrication
20
Connecting the Cords
23
Turning on the Sewing Machine Power
28
Carrying out Test Sewing
28
Adjusting the Treadle Operation
29
Preparation before Sewing
30
Installing the Needle
30
Removing the Bobbins
31
Winding the Lower Thread
31
Installing the Bobbin Cases
32
Threading the Upper Thread
35
Adjusting the Stitch Length
37
Using the Knee Lifter Plate
37
Using the Thread Wiper
37
Screens Where Sewing Is Possible
38
Corner Sewing
38
Stopping the Needle Bars (Left and Right)
38
Number of Stitches: Quick-Reference Guide
39
Using the Operation Panel (Basic Operations)
40
Name and Function of each Operation Panel Item
40
About the Home Screens
40
About the Detailed Home Screen
41
About the Quick Home Screen
42
Types of Icons
43
Menu Screen
43
Program Setting Method
44
Program Structure
44
Setting Start Backtacking
47
Main Sewing Settings
47
Setting End Backtacking
48
Using Program Individual Functions and Program Common Functions
49
Using the Production Counter
53
Using the Lower Thread Counter
53
Setting the Home Screen Mode
54
Adjusting the Needle up Stop Position
55
Using the Operation Panel (Advanced Operations)
56
Adding and Deleting Steps
56
Editing Steps
57
Setting Main Sewing Parameters When Several Steps Exist
57
Setting the Sewing Start Step
58
Copying Programs
58
Initializing the Currently-Selected Program
59
Setting the Working Pace
59
Setting Memory Switches (Standard)
60
List of Memory Switches
61
Hand Switch
66
Setting Hand Switch Functions
68
Reading and Writing Data Using USB Media
69
Data Read/Write Items in USB Media Mode and Media Folder Structure
69
Initialization
71
Sewing
72
Points to Note before Sewing
72
Backtacking
73
Sewing Condensed Stitches
73
Adjusting the Stitch Tension
75
Adjusting the Thread Tension
75
Adjusting the Upper Roller Pressure
76
Adjusting the Presser Foot Floating Amount (Minute Lifting Amount)
77
Adjusting the Upper Thread Trailing Length after Thread Trimming
78
Adjusting the Thread Take-Up Amount
79
Daily Cleaning Procedures
81
Points to Note When Cleaning
81
Cleaning
81
Lubrication
81
Checking the Condition of the Needle and Upper Thread
82
Draining Lubricating Oil
82
Lubricating the Oil Cover (Every 6 Months)
82
Adding Grease (When the Grease up Warning Screen Is Displayed)
83
Adjusting the Sewing Machine (Standard Adjustments)
85
Points to Note When Making Adjustments
85
Adjusting the Safety Switch Position
86
Adjusting the Thread Take-Up Amounts of the Thread Tension Springs
87
Adjusting the Tension of the Thread Tension Spring
88
Adjusting the Clearance between the Rotary Hook and the Needle Plate
88
Adjusting the Clearance between the Rotary Hook and the Opener
89
Adjusting the Height of the Presser Foot
90
Adjusting the Needle and Rotary Hook Timing
91
Installing the Feed Dog
94
Adjusting the Position of the Feed Dog
95
Adjusting the Height of the Feed Dog
96
Adjusting the Feed Dog Angle
97
Adjusting the Rotary Hook Lubrication Amount
98
Troubleshooting
100
Troubleshooting During Sewing
100
List of Error Codes
107
4
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Brother T-8452D Specifications
General
Brand
Brother
Model
T-8452D
Category
Sewing Machine
Language
English
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