Brother b838 User Manual

Name: Brother b838
Brand: Brother
Rating: 4 (1 reviews)

84 pages

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From the library of: Superior Sewing Machine & Supply LLC

Table of Contents2
Names of Main Parts)4
(Specifications)6
(Mechanism)8
Upper Shaft and Needle Bar Mechanism8
- Lower Shaft and Rotary Hook Mechanism9
- [!] Feed Mechanism9
- Thread Trimmer Mechanism10
Tension Releaser Mechanism10
- [!!] Timmg Belt Replacement10
Needle Bar (Left and Right) Mechanism Types 8835 and 883612
Top Feed Mechanism Types 8837 and 883813
- Disassembly Procedures14
Presser Mechanism14
[]Cover14
Rotary Hook, Lower Shaft and Thread Trimmer Mechanism15
- Reverse Mechanism17
[!]Thread Wiper15
[!]Needle Bar Rocking Shaft Mechanism18
Assembly Procedures19
Lower Shaft. Thread Trimmer and Rotary Hook Mechanism19
- [!] Presser Mechanism24
[]Needle Bar Rocking Mechanism19
[!]Thread Wiper24
Reverse Switch Mechanism26
[!]Reverse Mechanism26
- Standard Adjustments28
- B831,B832,B835,B836,B88228
Lil Needle and Feed T1Mmg (8831)28
- (Models 8831. 8832. 8835. 8836. 8882)32
Needle and Rotary Hook Timing Adjustment32
II] Rotary Hook to Bobbin Case Opener Gap34
Rotary Hook to Needle Plate Gap34
Presser Foot Height Adjustment35
Stitch Length Adjustment38
Llij Slider Adjustment42
[!!]Movable and Fixed Kn1Fe Adjustment43
Ffi) Knife Drcving Lever Adjustment45
- Position Detector Adjustment46
IE) Knife Mam Lever Roller45
Ill) Corner Sewmg Pos1T10N Adjustment (8835. 8836)46
- Disassembly Procedures51
Cover51
Tension Release Lever52
Feed Assembly54
Fl] Needle Bar and Needle Thread Take-Up54
(Assembly Procedures)55
Feed Assembly55
[!]Needle Bar55
Walking Bar and Presser Foot56
Fl]Tension Release Lever60
Cover61
- Standard Adjustments62
Needle and Feed Timing Adjustment (Standard)62
[!]Feed Dog Adjustment M Back and Forth Directions63
Clearance between Rotary Hook and Bobbin Case Opener65
- [!] Presser Foot Height Adjustment66
Fl] Clearance between Rotary Hook and Needle Plate65
II] Feed Dog Height Adjustment67
- And Needle Timing Adjustment68
1IJ Upper Feed Adjustment68
Gauge Parts List for B837,B838 Double Needle Lock Stitch Sewing Machines70
(Others)78
Top Cover Thread Guide78
[!]Adjusting Upper Thread Length78
Anti-Spinning Spring79
Fl]8Obbin79
Itlto Thread Bobbin Cases (8835. 8836)79
(Troubleshooting Guide)80

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Brother b838 Specifications

General

Brand	Brother
Model	b838
Category	Sewing Machine
Language	English

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