Janome MC9900 Manuals

Manuals and User Guides for Janome MC9900. We have 2 Janome MC9900 manuals available for free PDF download: Service Manual, Additional Service Manual

Janome MC9900 Service Manual

Janome MC9900 Service Manual (41 pages)

Brand: Janome | Category: Sewing Machine | Size: 5.39 MB

Table of Contents

Table of Contents
2
Changing External Parts

3
- Face Cover
  3
- Belt Cover
  3
- Top Cover
  4
- Base Plate
  5
- Base Cover
  5
- Bed Cover
  6
- Free Arm Cover
  6
- Front Cover
  8
- Rear Cover
  9
Replacing Electronic Components

10
- Printed Circuit Board a
  10
- Printed Circuit Board F
  11
- Printed Circuit Board B (USB Board)
  11
- Switching Power Supply Unit
  12
- Driving Motor
  13
- Thread Tension Unit
  14
Mechanical Adjustment

15
- Feed Dog Height
  15
- Clearance between Needle and Tip of the Rotary Hook
  16
- Backlash between Hook Drive Gear and Lower Shaft Gear
  18
- Needle Drop Position
  19
- Hook Timing
  20
- Needle Bar Height
  21
- Upper Shaft Shield Plate Position
  22
- Upper Thread Tension
  23
- Tension Release Mechanism
  24
- Needle Threader Plate
  25
- Thread Drawing Lever
  26
- Buttonhole Lever Adjustment
  27
- Presser Bar Lifter Switch Position
  28
- Embroidery Foot Height
  29
- Embroidery Foot Detecting Sensor Adjustment
  30
- Presser Foot Lifter Switch Adjustment
  31
- Knee Lifter
  32
- Thread Cutter
  33
- Remaining Bobbin Threader Sensor
  34
- Needle Plate Sensor
  35
- Bobbin Winder
  37
- Stretch Stitch Feed Balance
  38
- Y-Carriage Play Adjustment
  39
- Adjusting X and y Sensors (Simple Adjustment)
  40
- Cloth Guide Start Position
  41

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Janome MC9900 Additional Service Manual

Janome MC9900 Additional Service Manual (22 pages)

EMBROIDERY UNIT

Brand: Janome | Category: Sewing Machine | Size: 24.64 MB

Table of Contents

Table of Contents
2
Preparation
3
- Removing Y-Carriage Cover (Upper)
  3
- Removing X-Carriage Cover and Embroidery Unit Cover
  4
Replacing X-Motor
7
Replacing Y-Motor
7
- Removing Y-Carriage Cover (Lower)
  7
- Removing Film
  8
- Removing Film Guides
  9
- Removing Y-Carriage
  9
- Removing Y-Motor
  11
Replacing Printed Circuti Board S1
13
Replacing Embroidery Unit Detecting Switch
13
Replacing Film
14
Replacing X-Sensor
15
Replacing X-Belt
17
Replacing Printed Circuit Board S2
18
Replacing Y-Sensor
18
Replacing Y-Belt
19
Y-Carriage Adjustment (Backlash of Y-Carriage)
20
- Attaching Guide Bars to Carriage Unit
  21

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