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888X82 Series
Brother 888X82 Series Manuals
Manuals and User Guides for Brother 888X82 Series. We have
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Brother 888X82 Series manual available for free PDF download: Service Manual
Brother 888X82 Series Service Manual (70 pages)
Brand:
Brother
| Category:
Sewing Machine
| Size: 9.95 MB
Table of Contents
Table of Contents
4
1 Outline of Mechanism
6
Main Mechanisms
7
Driveline
8
Positions of Electronic Components
10
Control System Block Diagram
11
2 Basic of Disassembly and Assembling Note
12
Preparation
13
Disconnecting Cables & Removing Accessories
13
Main Frame and Covers
16
Removal of Pattern Selecting Dial and Feed Dial
16
Removal of Front Cover Assy
17
Removal of Rear Cover Assy / Bobbin Presser / Thread Guide Assy
18
Main Motor Unit
21
Removal of LED Lamp Assy
21
Removal of Motor 3P Supply Assy
22
Removal of Tension Pulley Assy (Motor Belt)
24
Bobbin Winding and Needle Threading Mechanism
25
Removal of Bobbin Winding
26
Removal of Thread Tension Assy
26
Pattern Selecting Mechanism
27
Removal of Pattern Select Unit Assy
28
Removal of Feed Connecting Lever Assy
30
Upper Shaft, Needle-Presser Module
31
Removal of Tension Pulley Assy (Timing Belt)
32
Removal of Upper Shaft Assy
33
Removal of Needle-Presser Module
34
Feed Unit
36
Removal of Feed Unit
37
3 Adjustment
38
Needle Point Damage
39
Timing Belt Tension
40
Motor Belt Tension
41
Inner Rotary Hook Plate Assy Position
42
Presser Foot Hole / Needle Plate Hole Position (Front/Back)
43
Needle Swing Timing
44
Three Point Needle Drop
45
Needle Interference Left/Right
46
Needle Bar Rising
47
Needle Bar Height
49
Needle Clearance
50
Presser Bar Height
51
Left Straight Stitch Needle Drop and Zigzag Stitch Maximum Left Needle Drop Position
52
Feed Dog Position (Front/Back and Left/Right)
54
Feed Dog Height
55
Upper Thread Tension
56
Left and Right Stitch of Buttonhole Stitch Length
58
Needle Threader
61
Bobbin Winder
62
Lower Thread Tension
63
4 Failure Investigation for Electronic Parts
64
Sewing Lamp Does Not Light
65
Main Motor Does Not Turn or Rotation Speed Is Slow
66
5 Special Instructions of Wiring
67
Motor 3P Supply Assy
68
LED Lead Wire
69
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