Brother EF4-V41 Manuals

Manuals and User Guides for Brother EF4-V41. We have 3 Brother EF4-V41 manuals available for free PDF download: Service Manual, Parts Manual, Parts Book

Brother EF4-V41 Service Manual (97 pages)

V SERIES OVERLOCK SEWING MACHINE

Brand: Brother | Category: Sewing Machine | Size: 3.5 MB

Table Of Contents 2

SPECIFICATION LIST ) 7

MECHANICAL DESCRIPTIONS ) 19

Needle Bar Mechanism 19

Under Looper Mechanism 20

Over Looper Mechanism 21

Double Chain Stitch Looper Mechanism (V61, V91, V92) 22

LiD Knife Mechanism 23

[§] Presser Foot Mechanism 24

Feed Mechanism 26

[I] Upper Feed Mechanism 28

Lubrication 32

DISASSEMBLY) 33

Covers 33

IZ1 Presser Foot Mechanism 34

Knife Mechanism 35

Under Looper Mechanism 36

LiD Over Looper Mechanism 37

[§] Double Chain Stitch Looper Mechanism 38

Needle Bar Mechanism 39

[I] Feed Mechanism 40

II] Upper Feed Mechanism 41

(ASSEMBLY) 44

Upper Feed Mechanism 44

IZ1 Feed Mechanism 48

Needle Bar Mechanism 51

1!1 Under Looper Mechanism 54

Over Looper Mechanism 55

Double Chain Stitch Looper Mechanism 57

Knife Mechanism 60

[I] Presser Foot Mechanism 62

(STANDARD ADJUSTMENTS) 65

Adjusting The Height And Location Of The Needle 65

LZ1 Adjusting The Under Looper, The Movable Needle Guard, And Needle Guard (F) 66

Rn1 Adjusting The Over Looper 68

Adjusting The Chain Stitch Looper, Chain Stitch Needle Guards (B) And (F) 69

[§] Adjusting The Backward And Forward Movement Of The Chain Stitch Looper 70

[§] Adjusting The Presser Foot 71

Adjusting The Height Of The Knife 74

Adjusting The Height Of The Feed Dog 75

Adjusting The Positions Of The Needle-thread Take-up And The Needle Thread Guide 78

Adjusting The Position Of The Looper Thread Take-up 79

Ill] Adjusting The Horizontal Feeding Timing (position Of The Level Feed Eccentric Wheel) 79

H2l Adjusting The Standard Position Of The Horizontal Feeding (level Feed Adjust Arm) 80

Adjusting The Horizontal Feed Amount 80

Ml Adjusting The Standard Of The Vertical Feeding 81

Adjusting The Height Of The Upper Feed Bar 82

Adjusting The Clearance Between The Upper Feed Dog And The Lower Feed Dog 83

Lll1 Adjusting The Vertical Feed Amount Of The Upper Feed Dog 84

Adjusting The Differential Ratio 85

Adjusting The Clearance Between The Cloth Plate And The Needle Plate 86

( TROUBLESHOOTING ) 87

[)] Needle Thread Breakage (overlockingl 87

LZ1 Looper Thread Breakage 88

Rn1 Needle Breakage 91

Improper Thread Tension 91

Improper Chaining-off 91

Puckering 92

Slippage Cloth 93

Double Scooping (overlocking) 93

( NEEDLE SIZE AND UPPER LOOPER ) 94

( MATERIALTHICKNESSANDSTITCHWIDTH ) 95

TIMING GAUGE TABLE 96

Brother EF4-V41 Parts Manual (65 pages)

Parts Manual - English

Brand: Brother | Category: Sewing Machine | Size: 3.57 MB

Brother EF4-V41 Parts Book (7 pages)

Vertical Chain Cutter Parts Manual - English and Spanish

Brand: Brother | Category: Cutter | Size: 0.3 MB

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Brother EF4-V41 Manuals

Manuals and User Guides for Brother EF4-V41. We have 3 Brother EF4-V41 manuals available for free PDF download: Service Manual, Parts Manual, Parts Book