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DH4-B981
Brother DH4-B981 Manuals
Manuals and User Guides for Brother DH4-B981. We have
1
Brother DH4-B981 manual available for free PDF download: Instruction Manual
Brother DH4-B981 Instruction Manual (80 pages)
ELECTRONIC EYELET BUTTON HOLER
Brand:
Brother
| Category:
Sewing Machine
| Size: 3.04 MB
Table of Contents
Safety Instructions
2
Maintenance and Inspection
4
Warning Labels
5
Table of Contents
6
1 Names of each Part
7
2 Specifications
8
Optional Parts
9
BAS-PC/300, Programming Software for Electronic Pattern Sewer (Peripheral Device)
9
Replacement Parts List for Specification Changes
10
3 Installation
11
Table Processing Diagram
11
Installing the Motor
12
Installing the Motor Pulley
13
Installing the Control Box
13
Installing the Machine Head
14
Installing the Oil Container
15
Tightening the V-Belt
15
Installing the Spool Stand
16
Installing the Hand Switch
16
Installing the Air Unit and the Valve Unit
16
Connecting the Wiring
17
Connections Inside the Control Box
18
Connecting the Motor Cables
19
Connecting the Air Tubes
19
Securing the Cables
20
Installing the Air Tubes
21
Connecting the Power Cord
22
Installing the Select Switch (Option)
23
Installing the Foot Switch (Option)
23
Installing the Indexer (Option)
24
4 Lubrication
29
Adding Oil
29
5 Correct Use
31
Initializing Settings
31
Changing the Lower Thread and Gimp Thread Trimming
31
Installing the Needle
32
Threading the Upper Thread
32
Threading the Lower Thread
33
Threading the Gimp
34
Setting the Material
34
Setting the Installation Position for Cloth Feed Plate (L) (-52 Specifications)
36
Replacing the Proms
37
6 Using the Operation Panel
38
Panel Switch and Indicator Names
38
Setting the Buttonhole Length
39
Turning Cutting on and off
39
Setting by Changing the Panel DIP Switches
40
Setting the Stitch Pitch
40
Setting the Number of Eyelet Stitches
40
Setting the Taper Bar Tacking Length
41
Setting the Knife Operation Method
41
Setting the Eyelet Shape
41
Setting the Offset (Setting the Taper Bar Tacking Overlap)
42
Setting the Cutting Space
42
Setting the Sewing Speed
42
Setting the Mode
43
Setting Panel Protection
43
Setting the Cloth Setting Position (-52 Specifications)
43
Setting the Number of Eyelet Buttonholes (-52 Specifications)
44
Setting the Number of Home Position Start Cycles
44
Using the Select Switch (Option)
45
Moving the Cloth Feed Bar (-52 Specifications)
46
Using the Memory Switch
46
List of Error Codes
47
7 Sewing
49
Using the EMERGENCY STOP Switch
49
Sewing
50
Adjusting the Thread Tension
51
Needle and Knife Position
52
Setting the Feed Bracket to the Front Position
53
Switching between Single-Pedal and Dual-Pedal Operation
53
Using Feed Mode
54
Using Manual Mode
55
8 Cleaning and Maintenance
56
Cleaning
56
Draining the Oil
57
Checking the Air Filter
57
9 Standard Adjustments
58
Adjusting the Height of the Spreader and Looper
58
Adjusting the Needle and Looper Timing
59
Adjusting the Loop Stroke
60
Adjusting the Height of the Needle Bar
61
Adjusting the Clearance between the Looper and Needle
61
Adjusting the Needle Guard
62
Adjusting the Spreader Mounting Positions
62
Adjusting the Spreader Timing
63
Adjusting the Needle Racking Width (Stitch Width)
63
Changing the Knife Cutting Length (Replacing the Hammer)
64
Adjusting the Contact between the Knife and the Hammer
65
Replacing the Knife
66
Adjusting the Cutting Pressure
66
Adjusting the Cloth Opening Amount
67
Adjusting the Trimming of the Upper Thread
68
Adjusting the Trimming of the Lower Thread and Gimp
68
Adjusting the Gimp Length after Trimming (-02, -52)
69
Lower Thread Presser
69
Auxiliary Clamp Arm
70
Adjusting the Cloth Feeding Speed (-52 Specifications)
70
Adjusting the Cloth Feed Bar Home Position (-52 Specifications)
71
Adjusting the Indexer Hole Spacing (-52 Specifications)
72
Adjusting the Position of Limit Switch L (-52 Specifications)
73
Adjusting the Position of Limit Switch R (-52 Specifications)
73
10 Summary of Dip Switches
74
Front Panel DIP Switches
74
Circuit Board DIP Switches
76
11 Troubleshooting
78
Machine Head
78
Instruction Manual
80
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