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Sewing Machine
KE-430HS
Brother KE-430HS Service Manual
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6. MECHANICAL
DESCRIPTIONS
KE-430HX/KE-430HS, BE-438
HX/BE-438HS
84
1.
Pulse motor Y assembly
2. Feed
gear
3.
Y-feed rack shaft
4.
Y-feed rack shaft clamp
5.
Feed bar sub assembly
6-5. Feed mechanism
Sewing patterns are created through co
mbinations of X and Y movements.
3975B
3976B
Y direction
X direction
1.
Pulse motor X assembly
2. Feed
gear
3. X-feed
gear
4. X-feed
lever
5.
Regulator bloc
k assembly
6.
Feed bar sub assembly
94
96
Table of Contents
Default Chapter
9
Table of Contents
9
1 Specifications
12
2 Notes on Handling
14
3 Relationship between Programs and Patterns
15
4 Function Settings
18
List of Special Functions When Power Is Turned on
18
Memory Switch Setting Method (for Technicians)
20
List of Memory Switches (for Technicians)
22
Checking Input
35
Checking Output
38
Checking the Software Version
40
Maintenance Information List
41
Checking the Error History
43
Making Protection Settings
45
Updating the Software Version
48
5 Setting Function
51
Edit Pattern
51
Work Flowchart
52
Switching to Pattern Editing Mode
53
Checking Pattern Data
54
Copying Sewing Data
54
Adding Sections
55
Changing Tension Codes Within a Section
56
Deleting Sections
57
And y Parallel Movement of Sewing Patterns
58
Memory Switch Setting Method (for Operators)
60
Slow Start Pattern Setting Method
63
Illumination LED Brightness Setting Method
64
Setting Additional Programs
64
Deleting Additional Programs
65
User Program Setting Method
66
Deleting User Programs
70
Cycle Program Setting
71
Deleting Cycle Programs
73
Using the Lower Thread Counter
74
Using the Production Counter
75
Using the Garment Counter
76
Split Setting
77
Copying Programs (Additional Program)
78
Uniform Tension Correction
79
Using USB Memory
80
Structure of a USB Memory
80
Preparation for Reading/Writing Data
81
Reading All Data
82
Writing All Data to USB Memory
83
Reading Additional Pattern Data
85
Writing Additional Pattern Data to an USB Memory
86
Reading Program Data
87
Writing Program Data to an USB Memory
88
Reading Memory Switch Data
89
USB Memory
90
Writing Error Log Data and Memory Switch Data to USB Memory
91
6 Mechanical Descriptions
92
Needle Bar and Thread Take-Up Mechanisms
92
Lower Shaft and Hook Mechanisms
92
Work Clamp Lifter Mechanism
93
Thread Wiper Mechanism
94
Feed Mechanism
95
Thread Trimmer Mechanism
96
Tension Release Mechanism
97
Thread Nipper Mechanism
97
7 Disassembly
98
Covers
99
Work Clamp Arm Mechanism
100
Needle Bar Mechanism
101
Thread Trimmer Mechanism
103
Thread Nipper Mechanism
104
Upper Shaft Mechanism
105
Lower Shaft Mechanism
107
Feed Mechanism
109
Lubrication
110
Thread Wiper Mechanism
110
Work Clamp Lifter Mechanism
111
Threading Mechanism
113
Tension Release Mechanism
114
Hook Mechanism
114
LED Mechanism
115
8 Assembly
116
LED Mechanism
116
Tension Release Mechanism
117
Threading Mechanism
118
Thread Wiper Mechanism
119
Thread Trimmer Mechanism (1)
120
Thread Nipper Mechanism (KE-430HX-03, -0K, -01 Specifications Only)
121
Work Clamp Lifter Mechanism
122
Feed Mechanism
125
Lower Shaft Mechanism
128
Upper Shaft Mechanism
131
Needle Bar Mechanism
135
Lubrication
138
Hook Mechanism
138
Thread Trimmer Mechanism (2)
139
Work Clamp Arm Mechanism (KE-430HX/HS)
140
Work Clamp Arm Mechanism (BE-438HX/HS)
141
Covers
142
9 Adjustment
143
Standard Thread Tension
143
Upper and Lower Thread Tension
144
Thread Take-Up Spring
145
Arm Thread Guide C
146
Needle Bar Bush Thread Guide D
146
Adjusting the Needle Bar Height
146
Adjusting the Needle Bar Lift Amount and the Driver Needle Guard
147
Adjusting the Needle Clearance
147
Adjusting the Shuttle Race Thread Guide
148
Hook Lubrication Amount
148
Adjusting the Position of the Movable Knife
149
Replacing the Movable Knife and Fixed Knife
150
Adjusting the Work Clamp Lift Amount (KE-430HX/HS)
151
Adjusting the Button Clamp Lift Amount (BE-438HX/HS)
151
Adjusting the Holding Pressure (BE-438HX/HS)
152
Adjusting the Position of the Button Clamp (BE-438HX/HS)
152
Adjusting the Thread Wiper
153
Adjusting the Tension Release Amount (KE-430HX, BE-438HX)
154
Adjusting the Backlash Amount (Play) of the Lower Shaft Gear
155
Adjusting the Needle Cooling
156
Checking the Machine Head Switch
157
Adjusting the Main Shaft Motor Reference Position
158
Adjusting the X- and Y-Feed Motor Home Position
159
Adjusting the Work Clamp Motor Home Position
161
Adjusting the Thread Nipper Motor Position
163
Setting Method for Standard Depression Strokes (Foot Switch)
165
Data Initialization Method
166
Adjusting the Touch Panel Key Position
167
Correcting the Digital Tension Output (KE-430HX, BE-438HX)
169
10 Maintenance
171
Applying Grease (Work Clamp: KE-430HX/HS)
171
Changing Lubricating Oil (When the Oil Change Warning Is Displayed)
172
11 Installing the 2-Pedal Foot Switch (Option)
176
12 Table of Error Codes
177
13 Troubleshooting
182
Upper Thread Breakage / Lower Thread Breakage
182
Skipped Stitches
184
Uneven Seams (1)
184
Uneven Seams (2)
185
Uneven Seams (3)
185
Uneven Seams (4)
186
Upper Thread Pulling out
187
If the Upper Thread Trailing Length Is Unstable
187
Incorrect Upper Thread Trimming
188
Needle Breakage
190
Entanglement of Upper Thread with the Thread Nipper (KE-430HX)
190
Feed Mechanism Does Not Move and Go out of Step
190
Button Breakage (BE-438HX/HS)
191
Work Clamp Height Is Unsuitable (KE-430HX/HS)
191
Button Clamp Height Is Unsuitable (BE-438HX/HS)
191
Thread Wiper Does Not Operate Correctly
191
Lower Thread Winds to One Side, Lower Thread Winding Amount Is Incorrect
191
Operation Panel Display Freeze and Operation Is Not Possible
192
Sewing Machine Does Not Operate When the Power Is Turned on
192
14 Electric Mechanism
193
Precautions at the Time of Adjustment
193
Components Inside and Outside the Control Box and in the Operation Panel
194
Fuse Explanation
195
Connectors
196
Connector Positions
196
Contact Failure
198
Troubleshooting
202
Troubleshooting Flowchart
202
Problem Solution and Measures
207
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Instruction Manual
108 pages
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Brother KE-430HS Specifications
General
Brand
Brother
Model
KE-430HS
Category
Sewing Machine
Language
English
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