Brother BE-438B Manuals

Manuals and User Guides for Brother BE-438B. We have 1 Brother BE-438B manual available for free PDF download: Service Manual

Brother BE-438B Service Manual (198 pages)

Electronic Lockstitch Bar Tracker/Electronic Lockstitch Belt Loop Bar Tracker/Electronic Lockstitch Pattern Tracker/Electronic Lockstitch Button Sewer E Series

Brand: Brother | Category: Sewing Machine | Size: 8.39 MB

Safety Instructions
2
Maintenance and Inspection
4
Table of Contents
6
1 Specifications

8
- Feed
  8
- Thread Trimmer
  8
- Standard Thread Tension
  12
2 Mechanical Descriptions

14
3 Disassembly

29
- Covers
  29
- Work Clamp Arm Mechanism
  31
- Work Clamp Arm Mechanism
  32
- Work Clamp Arm Mechanism (KE-433B)
  33
- Work Clamp Arm Mechanism
  34
  - 435C, 436B, 436C, 484C)
    34
- Work Clamp Arm (BE-438B, 438C)
  36
- Shuttle Hook Mechanism
  37
- Needle Bar Mechanism
  38
- Stepping Foot Mechanism
  39
  - (Ke-435B, 435C, 436B, 436C)
    40
- Upper Shaft Mechanism
  40
- Lower Shaft Mechanism
  42
- Feed Mechanism (1)
  44
- Feed Mechanism (2)
  46
- Work Clamp Lifter Mechanism
  48
  - (Solenoid Specifications)
    48
- Thread Wiper Mechanism
  51
- Thread Nipper Mechanism
  54
- Thread Take-Up Mechanism
  56
- Thread Trimmer Mechanism
  58
4 Assembly

61
- Thread Trimmer Mechanism (1)
  61
- Thread Nipper Mechanism
  63
- Thread Wiper Mechanism
  66
- Thread Take-Up Mechanism
  69
  - (Solenoid Specifications)
    72
  - Ke-432B, 432C
    74
  - Be-438B, 438C
    74
  - Applying Grease
    76
- Feed Mechanism (1)
  77
- Feed Mechanism (2)
  81
- Upper Shaft Mechanism
  83
- Needle Bar Mechanism
  89
- Lower Shaft Mechanism
  90
- Thread Trimmer Mechanism (2)
  93
- Shuttle Hook Mechanism
  94
- Work Clamp Arm Mechanism (KE-433B)
  98
- Work Clamp Arm Mechanism (KE-434B, 434C, 435B, 435C, 436B, 436C, 484C)
  99
- Covers
  104
5 Adjustment

106
6 Troubleshooting

140
7 Optional Parts

143
8 Electric Mechanism

145
- Precautions at the Time of Adjustment
  145
- Components Inside the Control Box and the Operation Panel
  145
- Fuse Explanation
  146
- Connectors
  147
- Explanation of the DIP Switches
  154
- Explanation of the Memory Switches
  157
  - (Ke-430*, 431*, 432*, 433B, 434*, 435*, 484C, Be-438*)
    157
- Explanation of the Memory Switches
  162
- Setting the Work Clamp Mode
  166
- Checking the Input Sensor and DIP Switch Input
  168
- Checking the Input Voltage
  170
- Clearing All Memory Settings
  171
- Confirming Software Version
  172
- Table of Error Codes
  174
- Troubleshooting
  178
- Control Circuit Block Diagram
  197

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Brother BE-438B Service Manual (198 pages)

Table of Contents

1 Specifications

2 Mechanical Descriptions

3 Disassembly

4 Assembly

5 Adjustment

6 Troubleshooting

7 Optional Parts

8 Electric Mechanism

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