Brother MD-812 Manuals

Manuals and User Guides for Brother MD-812. We have 1 Brother MD-812 manual available for free PDF download: User Manual

Brother MD-812 User Manual

Brother MD-812 User Manual (33 pages)

DC Motor, Single-Phase Type & Three-Phase Type

Brand: Brother | Category: Sewing Machine | Size: 6 MB

Table of Contents

Table of Contents
2
Features
4
Description of the Motor
4
Product View/Name of Components
5
Configuration
6
Principle of Control System
7
Drawing for Mounting the Motor
8
Adjustment
9
Position Adjustment for Needle down Signal
9
DC Servomotor
9
Needle Position Detector (Synchronizer)
9
Synchronizer Model DB2-B737/B748
10
Needle up Position
10
Needle down Position
10
When the Synchronizer Is out of Order
10
Control Box
11
Control Circuit Board
11
Treadle
12
Brush Replacement
12
Motor Brake Spacing
13
Checking the Lamp Terminal Code
13
Standing Work Machine
14
Code Connection
14
Treadle Lever Position
14
Application to Production Control System
15
Operation Instruction
16
Installation of Operation Box
16
Motor Control and Control Box Use
16
Operation Box
17
Block Diagram of Control Circuit
20
Single-Phase/100V
20
Three-Phase/Acv
21
Single-Phase/100V Type #470B
22
Three-Phase/Ac V Type #470
23
Details of Connector Panel
24
Troubleshooting
26
Checking the Motor
27
Checking the Machine Solenoids
28
Solenoid Load of the Machine
28
Hem Sensor
28
B738 Machine Control System Block Diagram
29
B737 Machine Control System Block Diagram
30
B737/B738 Motor Drive Control System Block Diagram
31

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