Janome Service Manual MB-4

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$15.00 each

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The service manual covers removal and replacement of parts such as needle thread tension, shafts, hook, adjustments and settings'. It covers lubrication points, wiring and more.

Janome sewing machine service and repair manual, this is not an instruction manual on how to use your machine, but a repair manual on how to maintain and service your machine. This manual is intended for an experienced repair person.  Some repairs are simple others are complicated, and may require special tools and gauges.   We are not liable for the content of the manual.

CONTENTS of the MB4 Service Manual, also includes an important supplement for the Janome MB4
Janome MB4  Replacing the Spool Stand.........................................................................................4
Janome MB4 Replacing the Tension Unit Cover .............................................................................4
Janome MB4 Replacing the Static head cover (Right)......................................................................5
Janome MB4 To Replace Right Cover and Left Cover.......................................................................6
Janome MB4 Replacing the Base Cover and Bed Cover ..................................................................7
Janome MB4 Checking the Thread Paths (1) ....................................................................................8
Janome MB4 Checking the Thread Paths (2) ....................................................................................9
Janome MB4 Replacing the Needle ................................................................................................. 10
Janome MB4 Needle and Thread Reference Table ......................................................................... 11
Janome MB4 Checking the Lowest Position of the Needle.............................................................. 12
Janome MB4 Replacing the Needle Bar Rest .................................................................................. 13
Janome MB4 Replacing the Take-up Lever Cam Roller .................................................................. 14
Janome MB4 Adjusting the Take up Lever Timing ........................................................................... 15
Janome MB4 Replacing and Adjusting the Presser Foot (1)............................................................ 16
Janome MB4 Replacing and Adjusting the Presser Foot (2)............................................................ 17
Janome MB4 Replacing the Thread Catcher ................................................................................... 18
Janome MB4 Replacing the Thread Catcher Hook .......................................................................... 19
Janome MB4 Replacing the Jump Solenoid .................................................................................... 20
Janome MB4 Adjusting a Play in the Moving Head ......................................................................... 21
Janome MB4 Replacing the Moving Head (1).................................................................................. 22
Janome MB4 Replacing the Moving Head (2).................................................................................. 23
Janome MB4 Adjusting the Needle Drop Position (Back or Forth) .................................................. 24
Janome MB4 Adjusting the Needle Height....................................................................................... 25
Janome MB4 Replacing the Needle Bar, Needle Spring and Cushion ............................................ 26
Janome MB4 Replacing the Rotation Stopper Plate ........................................................................ 27
Janome MB4 Replacing the Thread Take-up Lever ......................................................................... 28
Janome MB4 Adjusting the Check Spring Tension .......................................................................... 29
Janome MB4 djusting the Check Spring Stroke ............................................................................ 30
Janome MB4 Adjusting the Thread Catcher Holder ......................................................................... 31
Janome MB4 Replacing the Thread Catcher Loop Tape ................................................................. 32
Janome MB4 Replacing the Lateral Moving Unit ............................................................................. 33
Janome MB4 Adjust the Hook Timing .............................................................................................. 34
Janome MB4 Adjusting the Position of the Hook Stopper ................................................................ 35
Janome MB4 Replacing the Thread Cutter Driving Roller ............................................................... 36
Janome MB4 Replacing the Dynamic Cutter Blade ......................................................................... 37
Janome MB4 Replacing the Static Cutter Blade .............................................................................. 38
Janome MB4 Adjusting the Static Cutter Blade ............................................................................... 39
Janome MB4 Adjusting the Dynamic Cutter Blade .......................................................................... 40
Janome MB4 Adjusting the Bobbin Thread Holder .......................................................................... 41
Janome MB4 Adjusting the Thread Keeper ..................................................................................... 42
Janome MB4 Adjusting the X-carriage Belt Tension ........................................................................ 43
Janome MB4 Replacing the X-carrige Belt ...................................................................................... 44
Janome MB4 Adjusting the Y-carriage Belt Tension ......................................................................... 45
Janome MB4 Replacing the Y-carrige Belt ....................................................................................... 46
Janome MB4 Adjusting the Timing Belt Tnsion ................................................................................ 47
Janome MB4 Replacing the Timing Belt .......................................................................................... 48
Janome MB4 Adjusting the Motor Belt Tension................................................................................ 49
Janome MB4 Replacing the Motor Belt ............................................................................................ 50
Janome MB4 Replacing the DC Motor ............................................................................................. 51
Janome MB4 Adjusting the Needle Upper Shaft Timing .................................................................. 52
Janome MB4 Adjusting the Moving Head Stop Position .................................................................. 53
Janome MB4 Adjusting the Needlr Stop Position............................................................................. 54
Janome MB4 djusting the Carriage Home Position .......................................................................55

 

Comprehensive explanations of all installation, assembly and disassemble, check procedure and troubleshooting are laid out with the individual steps in sequential order.