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BAS-311E
Brother BAS-311E Service Manual
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140
BAS-311E.311EL.326E.326EL
Control Block Diagram
Synchronizer
Head
EM switch
Presser toot
Solenoid
Presser plate
Solenoid
Thread trimer
Solenoid
Wiper
Solenoid
Senoid type
CONTROL PCB
Control box
Pnevmatic type
Air valve
Right presser
plate
Left presser
plate
X-axis home
positon sensor
Y-axis home
positon sensor
BK
..............
W
................
R
.................
GR
..............
Y
.................
BR
..............
BL
...............
GY
..............
P
.................
Black
White
Red
Green
Yellow
Brown
Blue
Gray
Pink
Thread break-
age detector
BK
W
R
GR
Y
B
BL
GY
P
P
BK
W
R
GR
Y
B
BL
GY
RW
G
R
B
K
Y
BK
R
W
BL
GR
BK
R
W
BL
GR
BK
R
W
BL
GR
BK
R
W
BL
GR
BR
BK
BL
BR
BK
BL
BK
BK
R
RB
K
R
B
K
R
BK
R
O
Y
BL
BK
R
O
Y
BL
RB
K
W
RB
K
W
147
149
Table of Contents
Default Chapter
2
Safety Instructions
2
Notes on Safety
3
Belt Cover
5
Eye Guard
5
Finger Guard
5
Warning Labels
5
Table of Contents
6
Chapter 1. Mechanical Description
9
Needle Bar, Thread Take-Up, Lower Shaft and Shuttle Hook Mechanism
9
Work Clamp Lifting Mechanism (1)(2)
11
Feed Mechanism (X Axis)
13
Presser Foot Mechanism (1)
15
Thread Trimmer Mechanism
16
Thread Nipper (1)(2) When Presser Foot Rises
17
Thread Wiper (1) (2)
18
Chapter 2. Disassembly
19
Covers (1)(2)(3)
19
Feed Mechanism
21
Presser Foot Mechanism
22
Needle Bar Mechanism
23
Upper Shaft Mechanism
24
Feed Mechanism (y Axis)(1)(2)(3)
26
Feed Mechanism (X Axis)(1)(2)
26
Lower Shaft Mechanism
30
Work Clamp Lifter (Solenoid Type)
31
Thread Nipper Mechanism
32
Thread Trimmer Mechanism
33
Chapter 3. Assembly
33
Thread Trimmer Mechanism (1)
34
Thread Nipper Mechanism
35
Work Clamp Lifter Mechanism
37
Feed Mechanism (X Axis)
39
Feed Mechanism (y Axis)
43
Upper Shaft Mechanism
47
Needle Bar Mechanism
48
Presser Foot Mechanism
49
Lower Shaft Mechanism (1)
51
Lower Shaft (Rotary Hook) (2)
52
Thread Trimmer Mechanism
53
Feed Guide Mechanism (Home Position Adjustment: X )
54
Covers
57
Chapter 4. Adjustments
59
Adjusting the Needle Bar Height Adjustment
59
Adjusting the Needle Bar Lift Amount
59
Adjusting the Needle Clearance
60
Adjusting the Driver Needle Guard
60
Adjusting the Shuttle Race Thread Guide
60
Adjusting the Two-Step Work Clamp Lift Amount
61
Adjusting the Movable Knife
63
Adjusting the Lowest Point of the Presser Foot
66
Changing the Presser Foot Lift
67
Wiper Adjustment
68
Adjusting the Home Position
69
Adjusting the Tension of the Timing Belt
72
Adjusting Backlashes
74
Adjusting the Driving Lever Stopper Position
75
Adjusting the Thread Trimmer Driving Lever Position
75
Work Clamp Lift Components for Manual Operation (Solenoid Type)
76
Adjusting the Presser Foot Height
76
Adjusting the Needle up Stop Position
77
Chapter 5. How to Make up the Work Clamp
78
How to Make up Clamping Type Work Clamp
78
How to Make up Cassette Type Work Clamp
79
Chapter 6 Power Supply and Electrical Parts Adjustment
81
Precautions at the Time of Adjustment
81
Components Inside the Control Box
81
Fuse Explanation
82
Connectors
83
Sewing Operation
87
DIP Switches
90
Dip Switches Inside the Control Box
92
Changing Special Functions Using the Memory Switches
94
Checking the Input Sensor and DIP Switch Input
98
Checking the Input Voltage
99
Clearing All Memory Settings
99
Confirming Software Version
100
Error Codes
101
Chapter 7. Trouble Shooting
103
Flowchart
103
Problem Solution and Measures
109
Chapter 8. 1. Gauge Parts List According to Subclasses
120
Chapter 9. Gauge Parts List
121
Chapter 10. Option Parts
131
Control Block Diagram
148
Other manuals for Brother BAS-311E
Instruction Manual
226 pages
Specifications
41 pages
Option Manual
18 pages
4
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Brother BAS-311E Specifications
General
Brand
Brother
Model
BAS-311E
Category
Sewing Machine
Language
English
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