Brother b831 Manuals

Manuals and User Guides for Brother b831. We have 2 Brother b831 manuals available for free PDF download: Service Manual

Brother b831 Service Manual

Brother b831 Service Manual (85 pages)

Brand: Brother | Category: Sewing Machine | Size: 9.86 MB

Table of Contents

Contents
2
Table of Contents
3
Product View
4
Technical Data
4
Motor Pulley Data
7
Motor Pulley Change
7
Upper Shaft and Needle Bar Mechanism
8
Needle Feed Mechanism
8
Lower Shaft and Rotary Hook Mechanism
9
Feed Mechanism
9
Thread Trimmer Mechanism
10
Tension Releaser Mechanism
10
Reverse Mechanism
11
Thread Wiper
11
Needle Bar
12
Top Feed Mechanism
13
Disassembly Procedures
14
Assembly Procedures
19
Q] Needle and Feed Timing Adjustment (Standard)
28
Clearance between Rotary Hook and Bobbin Case Opener
65
Presser Foot Height Adjustment
66
Feed Dog Height Adjustment
67
Vibrating Presser Foot and Lifting Presser Foot and Needle Timing Adjustment
68
Upper Feed Adjustment
68
- Vibrating Presser Foot/Lifting Presser Foot Vertical Stroke Adjustment
  69
- Gauge Parts List for Double Needle Lock Stitch Sewing Machines
  70
- Gauge Parts List
  75
- (7.9 MM) 151528-001
  76
- 1/4" (6,4 MM) 151538-001
  76
- 3/1 6" (4.8 MM) 151524-001
  76
- 5/16" (7.9 MM) 151540-001
  76
- /4" (6.4 MM) 151544-001
  77
  - Adjusting Upper Thread Length
    78
  - Anti-Spinning Spring
    78
  - Top Cover Thread Guide
    78
  - Bobbin
    79
- Presser Foot
  80
- Troubleshooting Guide
  80

Brother b831 Service Manual

Brother b831 Service Manual (84 pages)

Brand: Brother | Category: Sewing Machine | Size: 7.29 MB

Table of Contents

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