Brother JS1420 Manuals

Manuals and User Guides for Brother JS1420. We have 1 Brother JS1420 manual available for free PDF download: Service Manual

Brother JS1420 Service Manual

Brother JS1420 Service Manual (151 pages)

Brand: Brother | Category: Sewing Machine | Size: 11.32 MB

Table of Contents

Table of Contents

4
4 Adjustment

119
- Removal of Covers
  120
- Needle Point Damage
  122
- Adjustment Timing Belt Tension
  123
- Motor Belt Tension
  124
  - Needle Plate Holder Assy Position
    125
- Presser Foot Hole / Needle Plate Hole Position (Front/Back)
  126
- Needle Swing Timing
  127
- Three Point Needle Drop
  128
- Needle Interference Left/Right
  129
- Needle Bar Rising
  130
- Needle Bar Height
  132
- Needle Clearance
  133
- Left Straight Stitch Needle Drop and Zigzag Stitch Maximum Left Needle Drop Position
  134
- Feed Dog Position (Front/Back and Left/Right)
  136
- Feed Dog Height
  137
- Upper Thread Tension
  138
  - Left and Right Stitch of Buttonhole Stitch Length
    140
- Left and Right Stitch of Buttonhole Stitch Length
  141
- Bobbin Winder
  143
  - Lower Thread Tension
    144
- 5 Failure Investigation for Electronic Parts
  
  145
  - Sewing Lamp Does Not Light
    146
  - Main Motor Does Not Turn or Rotation Speed Is Slow
    147
- 6 Special Instructions of Wiring
  
  148
  - Motor 3P Supply Assy
    149
  - LED Lead Wire
    150

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