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BE-438D
Brother BE-438D Service Manual
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5-5.
Lower
shaft
mechanism
Remove
the
rock
gear
and
the
crank
rod
together
as
a
single
unit.
5.
DISASSEMBLY
4521Q
4522Q
1.
Bolt
(Loosen]
2.
Driver
3.
Retaining
ring,
E
4.
Oil
cap
5.
Set
screw
(Loosen]
6.
Adjusting
stud
[Pull
out]
7.
Lower
shaft
assy
[Pull
out
from
the
rear
of
the
machine]
8.
Wick
9.
Set
screws
(2
pes:
Loosen]
10.
Set
screw
[Loosen]
11.
Set
screw
collar,
R
12.
Set
screws
[2
pes:
Loosen]
13.
Set
screw
collar,
B
14.
Rock
gear
shaft
(Pull
out
from
the
rear
of
the
machine]
15.
Rock
gear
16.
Crank
rod
(Lower
part)
KE-4300,
BE-4380
35
From the library of: Superior Sewing Machine & Supply LLC
41
43
Table of Contents
Default Chapter
6
Table of Contents
6
1 Specifications
8
2 Function Settings
9
List of Special Functions Inhen Power Is Turned on
9
Ust of Advanced Functions
10
Setting Memory Switches {Advanced)
11
Adjusting the Home Position
11
Ust of Memory Switches
12
Setting the Work Clamp Mode
17
Parallel Movement for Sewing Patterns
18
Clearing Saved Data (Initialization)
19
Checking the Error History
20
Input Checking Method
21
Output Checking Method
23
Confirming Software Version
24
3 Using Cf Cards
25
Notes on Handling CF Cards
25
(Purchase at Local Retailers)
25
Structure of a CF Card Folder
25
Preparation for Reading and Writing Data
26
Reading Additional Sewing Data
27
Selecting the "R 1" CF Data Read/Write Mode
27
Writing Additional Sewing Data to the CF Card
27
Reading Memory Switch Data
28
Writing Memory Switch Data to the CF Card
28
Reading User Program Data
29
Writing User Program Data to the CF Card
29
Updating the Control Programs
30
Writing Error Log Data to the CF Card
31
4 Mechanical Descriptions
32
Needle Bar and Thread Take-Up Mechanisms
32
Lower Shaft and Shuttle Race Mechanisms
32
Work Clamp Lifter Mechanism
33
Thread Wiper Mechanism
34
Feed Mechanism
35
Thread Trimmer Mechanism
36
Tension Release Mechanism
37
Thread Nipper Mechanism
37
5 Disassembly
38
Covers
38
Work Clamp Arm Mechanism
39
Needle Bar Mechanism
40
Upper Shaft Mechanism
41
Lower Shaft Mechanism
42
Feed Mechanism
43
Work Clamp Lifter Mechanism
44
Thread Wiper Mechanism
46
Tension Release Mechanism
46
Thread Nipper Mechanism
47
Thread Trimmer Mechanism
48
Shuttle Hook Mechanism
49
6 Assembly
50
Thread Trimmer Mechanism (1)
50
Tension Release Mechanism
52
Thread Wiper Mechanism
52
Thread Nipper Mechanism
53
Work Clamp Lifter Mechanism
54
Feed Mechanism
57
Upper Shaft Mechanism
61
Needle Bar Mechanism
62
Lower Shaft Mechanism
64
Shuttle Hook Mechanism
66
Thread Trimmer Mechanism {2)
67
Work Clamp Arm Mechanism {KE-4300)
68
Work Clamp Arm Mechanism {BE-4380)
69
Covers
70
7 Adjustment
71
Standard Thread Tension
71
Upper and Lower Thread Tension
71
Thread Take-Up Spring
72
Adjusting the Needle Bar Height
73
Adjusting the Needle Bar Lift Amount
73
Adjusting the Driver Needle Guard
73
Adjusting the Needle Clearance
74
Adjusting the Shuttle Race Thread Guide
74
Adjusting the Position of the Movable Knife
75
Replacing the Movable Knife and Fixed Knife
76
Adjusting the Work Clamp Lift Amount
77
Adjusting the Button Clamp Lift Amount
77
Adjusting the Holding Pressure (BE-4380)
78
Adjusting the Position of the Button Clamp
78
Adjusting the Thread Trimmer Cam Position
78
Adjusting the Thread Wiper
79
Adjusting the Tension Release Amount
80
Adjusting the Backlash of the Lower Shaft Gear
80
Feed Home Position
81
Work Clamp Lift Home Position
82
Adjusting the Position of the Thread Nipper
83
Adjusting the Needle up Stop Home Position
85
Adjusting the Needle up Stop Position
86
Checking the Machine Head Switch
87
8 Applying Grease
88
(When "GREASEUP" Appears)
88
9 Electric Mechanism
91
Precautions at the Time of Adjustment
91
Components Inside the Control Box and the Operation Panel
92
Fuse Explanation
93
Connectors
94
Connector Positions
94
Contact Failure
96
10 Table of Error Codes
99
11 Segment Display Ust
102
Other manuals for Brother BE-438D
Instruction Manual
66 pages
Parts Manual
59 pages
Instructions
4 pages
4
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Brother BE-438D Specifications
General
Brand
Brother
Model
BE-438D
Category
Sewing Machine
Language
English
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