Brother EF4-V72 Manuals

Manuals and User Guides for Brother EF4-V72. We have 3 Brother EF4-V72 manuals available for free PDF download: Service Manual, Parts Manual, Parts Book

Brother EF4-V72 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

Brother EF4-V72 Parts Manual (58 pages)

Parts Manual - English

Brand: Brother | Category: Sewing Machine | Size: 7.34 MB

Brother EF4-V72 Parts Book (7 pages)

Vertical Chain Cutter Parts Manual - English and Spanish

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

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