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LH4-B800E
Brother LH4-B800E Manuals
Manuals and User Guides for Brother LH4-B800E. We have
3
Brother LH4-B800E manuals available for free PDF download: Service Manual, Instruction Manual, Specifications
Brother LH4-B800E Service Manual (168 pages)
ELECTRONIC LOCKSTITCH BUTTON HOLER
Brand:
Brother
| Category:
Sewing Machine
| Size: 3.98 MB
Table of Contents
Table of Contents
6
1 Mechanism Description
8
Needle Take-Up Mechanism
8
Upper Shaft, Lower Shaft and Rotary Hook Mechanism
9
Needle Zigzag Mechanism
10
Presser Foot Lifter Mechanism
11
Feed Mechanism
12
Cutter Mechanism
13
Thread Breakage Detection Mechanism
14
Lubrication Mechanism
15
Tension Release Mechanism
17
Upper Thread Trimmer Mechanism
19
Lower Thread Trimmer Mechanism
23
2 Disassembly
26
Lower Shaft and Idle Pulley Mechanism
26
Lower Thread Trimmer Assembly
27
Feed Mechanism
29
Bobbin Presser Mechanism
32
Tension Release Mechanism
33
Presser Lifter Mechanism
35
Needle Zigzag Mechanism
38
Cutter Mechanism
39
Upper Shaft and Tension Pulley Mechanism
41
Needle Bar and Thread Take-Up Mechanism
42
Presser Bar Mechanism
44
Upper Thread Trimmer Mechanism
45
Thread Breakage Detection Mechanism
47
Lubrication Mechanism
48
Rotary Hook Mechanism
54
3 Assembly
56
Lower Shaft and Idle Pulley Mechanism
56
Lower Thread Trimmer Mechanism
57
Feed Mechanism
59
Bobbin Presser Mechanism
62
Tension Release Mechanism
63
Presser Lifter Mechanism
65
Needle Zigzag Mechanism
68
Cutter Mechanism
69
Upper Shaft and Tension Pulley Mechanism
72
Needle Bar and Thread Take-Up Mechanism
73
Presser Bar Mechanism
75
Upper Thread Trimmer Mechanism
76
Thread Breakage Detection Mechanism
78
Lubrication Mechanism
79
Rotary Hook Mechanism
86
4 Adjustment
88
Adjusting the Needle Zigzag Home Position Sensor Position
89
Adjusting the Feed Home Position Sensor Position
90
Adjusting the Presser Foot Home Position Sensor Position
92
Adjusting the Needle Bar Height
93
Adjusting the Needle and Rotary Hook Timing
93
Adjusting the Inner Rotary Hook and Rotary Hook Holder Overlap
95
Adjusting the Presser Foot Pressure
95
Adjusting the Work Clamp Lift Amount
95
Adjusting the Work Clamp Lateral Position
96
Adjusting the Knife Home Position Sensor Position
96
Adjusting the Knife Installation Position
97
Adjusting the Cutter Installation Height
98
Adjusting the Upper Thread Trimming
99
Adjusting the Lower Thread Trimming
106
Adjusting the Bobbin Presser
110
Adjusting the Thread Breakage Detector
111
Adjusting the Thread Tension at the Tack Tension Control
112
Adjusting the Thread Tension at the Zigzag Tension Control
112
Adjusting the Upper Thread Feeding Amount
113
Adjusting the Feed Timing Belt
113
Adjusting the Upper Shaft Timing Belt
114
Adjusting the Rotary Hook Lubrication
114
Adjusting the Needle up Stop Position
115
Adjusting the V-Belt Tension
115
5 Troubleshooting Guide
116
Needle Thread Breakage
116
Skipped Stitches
118
Uneven Seams 1)
119
Uneven Seams 2)
121
Uneven Seams 3)
121
Uneven Seams 4)
121
Uneven Seams 5)
122
Needle Thread Runout
123
Unraveling of Thread Trimmed by Upper Thread Trimmer Assembly
125
Needle Thread Mis-Trimming
125
Needle Strikes Upper Thread Trimmer
126
Needle Breakage
127
1)Imperfect Cutter Function (Imperfect Material Cutting)
128
Needle Thread Mis-Winding
129
Folding Clamp Is Not Raised (1) Pulse Motor Stepping Sound Cannot be Heard
130
Lower Thread Is Not Trimmed (Pulls When Material Is Removed)
132
Feed Mechanism Does Not Operate or Motor Is out of Step
132
Needle Does Not Zigzag or Noise Occurs When Needle Zigzags
133
Sewing Machine Stops During Sewing
133
6 Electric Mechanism
134
Precautions at the Time of Adjustment
134
Components Inside the Control Box and the Operation Panel
135
Fuse Explanation
136
Connectors
137
Description of DIP Switches
155
Description of Machine Motor Parameters
159
Error Code Table
160
Troubleshooting
162
Control Circuit Block Diagram
167
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Brother LH4-B800E Instruction Manual (100 pages)
E Series ELECTRONIC LOCKSTITCH BUTTON HOLER
Brand:
Brother
| Category:
Sewing Machine
| Size: 2.16 MB
Table of Contents
Safety Instructions
2
Notes on Safety
3
Maintenance and Inspection
4
Warning Labels
5
Table of Contents
6
1 Name of each Part
8
2 Specifications
9
Subclass
9
Standard Sewing Pattern List
10
3 Optional Parts
11
Special Needle Plate
11
Leg Parts
11
Standing Operation Pedal
11
Tape Guard
12
Ruler
12
Auxiliary Table
12
Replacement Parts Set (for 70 MM Buttonhole Length)
13
Programmer
13
4 Installation
14
Power Table
14
Installing the Motor
16
Installing the Flange Nut
16
Installing the Control Box
17
Installing the Power Switch
18
Installing the Bed Base
18
Installing the Machine Head
19
Installing the Head Rest
19
Installing the Operation Panel
20
Routing the Connector Cord and Installing the Oil Stopper Plate
20
Connecting the Cords
21
Connecting the Ground Wire
21
Connecting the Machine Head Harness
21
Connecting the Motor Harness
22
Connecting the Power Cord
23
Connecting the Standing Pedal Harness (Option)
24
Installing the Transformer
25
Installing the V-Belt
27
Installing the Belt Cover Plate
28
Installing the Treadle
29
Changing the Treadle Unit Installation Position (Horizontal Positioning Only)
30
Installing the Spool Stand
30
Installing the Eye Guard
31
Lubrication
32
Lubricating the Bed Base
32
Lubricating the Arm
33
Lubricating the Rotary Hook
33
Installing the Belt Cover
34
5 Operation
35
Part Names and Functions
35
Home Position Return (Preparation)
37
Operating the Treadle
38
Operating the Standing Pedal (Option)
39
Program Setting Method
40
Program Initialization Condition
40
Parameter Table
40
Changing Program Details
50
Rear Tack Vector Shape Programs
54
Underlay Programs
55
Cutter Operation
56
Cycle Program
57
Changing the Production Counter
58
Changing the Lower Thread Counter Setting Value
59
Using the Program Memos
60
Adding Patterns Created Using the BAS-PC/300
60
6 Checking the Sewing Pattern
62
Test Feed Mode (for Checking the Sewing Pattern Without Turning the Machine Pulley by Hand)
62
Manual Mode (for Checking the Sewing Pattern by Turning the Machine Pulley by Hand)
63
7 Correct Use
64
Installing the Needle
64
Threading the Upper Thread
65
Winding the Lower Thread
66
Threading the Bobbin Case
67
Thread Tension
68
8 Sewing
70
If the Emergency Stop Switch Is Pressed During Sewing
71
If the Thread Breaks During Sewing
72
Thread Breakage before Sewing Is Finished
73
When Resuming Sewing in Test Feed Mode or Manual Mode
74
Lower Thread Counter
74
9 Maintenance
75
Cleaning
75
Draining the Oil
76
Cleaning the Control Box Air Inlet Port
76
Cleaning the Eye Guard
76
Checking the Needle
77
Cleaning the Length Feed Plate
77
10 Standard Adjustments
78
Needle Bar Height
78
Needle and Hook Timing Adjustment
79
Adjusting the Clearance between Needle and Hook Point
79
Adjusting the Inner Rotary Hook and Rotary Hook Holder Overlap
80
Adjusting the Work Clamp Pressure
80
Adjusting the Knife Installation
80
Adjusting the Upper Thread Trimming
81
Adjusting the Installation Height of the Upper Thread Scissors
81
Adjusting the Upper Thread Scissors Opening Timing
82
Adjusting the Lower Thread Clamp Timing
83
Adjusting the Bobbin Presser
83
Adjusting the Needle up Stop Position
83
11 Changing Functions Using the Memory Switches
84
12 Program Initialization
86
Initializing All Programs
86
Initializing a Single Program
86
13 Changing Functions Using the Dip Switches
87
Panel DIP Switches
87
Control Circuit Board DIP Switches
89
14 Gauge Parts List
91
15 Error Code Table
96
16 Troubleshooting
98
Instruction Manual
100
Brother LH4-B800E Specifications (9 pages)
Electronic Lockstitch Button Holer
Brand:
Brother
| Category:
Sewing Machine
| Size: 0.22 MB
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