Brother CB3-B917 Manuals

Manuals and User Guides for Brother CB3-B917. We have 3 Brother CB3-B917 manuals available for free PDF download: Parts Manual, Service Manual, User Manual

Brother CB3-B917 Service Manual (56 pages)

CHAINSTITCH BUTTON SEWER

Brand: Brother | Category: Sewing Machine | Size: 2.31 MB

Safety Instructions
2
Maintenance and Inspection
4
Table of Contents
6
1 Mechanical Descriptions

7
- Start Mechanism
  7
- Number of Stitches Changing
  8
- Brake Mechanism
  9
- Needle Bar Mechanism
  10
- Looper Mechanism
  10
- Feed Mechanism
  11
- Thread Trimmer Mechanism
  13
- Button Clamp Mechanism
  14
- Tension Release Mechanism
  15
2 Disassembly

16
- Cover
  16
- Clutch
  16
- Button Clamp
  17
- Looper
  18
- Number of Stitches Changing
  19
- Needle Bar
  20
3 Assembly and Adjustment

21
- Needle Bar
  21
- Number of Stitches
  23
- Loopre
  25
- Button Clamp
  30
- Clutch
  31
- Cover
  32
4 Replacement of Parts

34
5 Adjustments

41
- Needle Bar Height
  41
- Loop Spreader
  41
- Point Where Needle and Looper Meet
  41
- Clearance between Needle Bar and Looper
  41
- Needle Guard
  41
- Fixed Knife
  41
- Movable Knife
  42
- Stitch Number
  42
- Number of Stitches Adjustment Cam
  42
- 5-10.Pawl of Thread Trimming Lever
  42
- 5-11.Button Clamp Driving Lever
  42
- 5-12.Worm and Worm Gear Backlash
  43
- 5-13.Pulley Clearance in Thrust Direction
  43
- 5-14.Slider
  43
- 5-15.Auxiliary Tension Timing
  44
- 5-16.Thread Tension Timing
  44
- 5-17.Loop Spreader Timing
  44
- 5-18.Forward and Reverse Feed
  44
- 5-19.Button Clamp Installation
  45
- 5-20.Elevation Amount of Button Clamp
  45
- 5-21.Feed Timing
  45
- 5-22.Clutch Lever
  45
- 5-23.Brake
  45
- 5-24.Button Clamp Opener (B917A)
  46
- 5-25.Thread Take-Up Lever
  46
- 5-26.Main Tension
  46
- 5-27.Rotor
  47
- 5-28.Button Clamp Pressure
  47
6 Troubleshooting

48

Brother CB3-B917 Parts Manual (60 pages)

Chainstitch Button Sewer with Thread Trimmer and Button feeder

Brand: Brother | Category: Sewing Machine | Size: 2.09 MB

Brother CB3-B917 User Manual (36 pages)

User Guide

Brand: Brother | Category: Sewing Machine | Size: 0.87 MB

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Brother CB3-B917 Manuals

Brother CB3-B917 Service Manual (56 pages)

Table of Contents

1 Mechanical Descriptions

2 Disassembly

3 Assembly and Adjustment

4 Replacement of Parts

5 Adjustments

6 Troubleshooting

Brother CB3-B917 Parts Manual (60 pages)

Brother CB3-B917 User Manual (36 pages)

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