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B830 Series
Brother B830 Series Manuals
Manuals and User Guides for Brother B830 Series. We have
1
Brother B830 Series manual available for free PDF download: Service Manual
Brother B830 Series Service Manual (84 pages)
Brand:
Brother
| Category:
Sewing Machine
| Size: 7.29 MB
Table of Contents
Table of Contents
2
Names of Main Parts)
4
(Specifications)
6
(Mechanism)
8
Upper Shaft and Needle Bar Mechanism
8
Lower Shaft and Rotary Hook Mechanism
9
[!] Feed Mechanism
9
Thread Trimmer Mechanism
10
Tension Releaser Mechanism
10
[!!] Timmg Belt Replacement
10
Needle Bar (Left and Right) Mechanism Types 8835 and 8836
12
Top Feed Mechanism Types 8837 and 8838
13
Disassembly Procedures
14
Presser Mechanism
14
[]Cover
14
Rotary Hook, Lower Shaft and Thread Trimmer Mechanism
15
Reverse Mechanism
17
[!]Thread Wiper
15
[!]Needle Bar Rocking Shaft Mechanism
18
Assembly Procedures
19
Lower Shaft. Thread Trimmer and Rotary Hook Mechanism
19
[!] Presser Mechanism
24
[]Needle Bar Rocking Mechanism
19
[!]Thread Wiper
24
Reverse Switch Mechanism
26
[!]Reverse Mechanism
26
Standard Adjustments
28
B831,B832,B835,B836,B882
28
Lil Needle and Feed T1Mmg (8831)
28
(Models 8831. 8832. 8835. 8836. 8882)
32
Needle and Rotary Hook Timing Adjustment
32
II] Rotary Hook to Bobbin Case Opener Gap
34
Rotary Hook to Needle Plate Gap
34
Presser Foot Height Adjustment
35
Stitch Length Adjustment
38
Llij Slider Adjustment
42
[!!]Movable and Fixed Kn1Fe Adjustment
43
Ffi) Knife Drcving Lever Adjustment
45
Position Detector Adjustment
46
IE) Knife Mam Lever Roller
45
Ill) Corner Sewmg Pos1T10N Adjustment (8835. 8836)
46
Disassembly Procedures
51
Cover
51
Tension Release Lever
52
Feed Assembly
54
Fl] Needle Bar and Needle Thread Take-Up
54
(Assembly Procedures)
55
Feed Assembly
55
[!]Needle Bar
55
Walking Bar and Presser Foot
56
Fl]Tension Release Lever
60
Cover
61
Standard Adjustments
62
Needle and Feed Timing Adjustment (Standard)
62
[!]Feed Dog Adjustment M Back and Forth Directions
63
Clearance between Rotary Hook and Bobbin Case Opener
65
[!] Presser Foot Height Adjustment
66
Fl] Clearance between Rotary Hook and Needle Plate
65
II] Feed Dog Height Adjustment
67
And Needle Timing Adjustment
68
1IJ Upper Feed Adjustment
68
Gauge Parts List for B837,B838 Double Needle Lock Stitch Sewing Machines
70
(Others)
78
Top Cover Thread Guide
78
[!]Adjusting Upper Thread Length
78
Anti-Spinning Spring
79
Fl]8Obbin
79
Itlto Thread Bobbin Cases (8835. 8836)
79
(Troubleshooting Guide)
80
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