Janome Skyline S5 User manual

SERVICE MANUAL
SKYLINE S5

INDEX
Changing external parts
Face cover...........................................................................................................................................1
Belt cover ............................................................................................................................................1
Top cover ............................................................................................................................................2
Machine base......................................................................................................................................3
Base cover ..........................................................................................................................................3
Bed cover ............................................................................................................................................3
Free arm cover....................................................................................................................................4
Front cover ..........................................................................................................................................5
Rear cover...........................................................................................................................................6
Replacing electronic components
Printed circuit board A.........................................................................................................................7
Printed circuit board F.........................................................................................................................8
Switching power supply unit................................................................................................................9
DC motor...........................................................................................................................................10
Thread tension unit ...........................................................................................................................11
Mechanical adjustment
Feed dog height ................................................................................................................................12
Needle drop position .........................................................................................................................13
Presser bar height.............................................................................................................................14
Hook timing .......................................................................................................................................15
Needle bar height..............................................................................................................................16
Clearance between needle and tip of the rotary hook ................................................................ 17-18
Presser bar lifter switch position adjustment.....................................................................................19
Backlash between hook drive gear and lower shaft gear..................................................................20
Upper shaft shield plate position.......................................................................................................21
Upper thread tension.........................................................................................................................22
Needle threader plate........................................................................................................................23
Buttonhole lever adjustment..............................................................................................................24
Thread cutter.....................................................................................................................................25
Solenoid position adjustment ............................................................................................................26
Stretch stitch feed balance................................................................................................................27
Needle plate switch ..................................................................................................................... 28-29
Diagnosis test ...................................................................................................................................... 30-36
PARTS LIST .......................................................................................................................................... 37-59

1
Changing external parts
Face cover
To remove:
1. Remove the setscrews A.
Remove the face cover.
To attach:
1. Follow the above procedure in reverse.
Setscrew A
Face cover
Belt cover
To remove:
1. Remove the setscrews A and B.
2. Loosen the setscrew C.
3. Remove the belt cover from the main body.
Be careful not to pull the relay connector.
4. Disconnect the relay connector between the printed
circuit board A and the thread cutter switch socket.
5. Remove the belt cover.
To attach:
1. Follow the above procedure in reverse.
Setscrew A
Setscrew B
Setscrew C
Setscrew C
Belt cover
Relay connector
Cap

2
Changing external parts
Flange plate
Pin
Fig. 2
Top cover
To remove:
1.
Raise the carrying handle and remove the setscrew A.
2. Open the top cover. Pull out the flange plate from the
bobbin winder spindle (see fig. 2).
3. Remove the setscrews B and C.
4. Open the face cover. Close the top cover.
Raise the carrying handle.
Pull the top cover toward you to remove it (see fig. 4).
To attach:
1. Follow the above procedure in reverse.
To attach the flange plate, put the flange plate into the
bobbin winder, and push the flange plate down.
Turn the flange plate until it snaps to the pin of the
bobbin winder spindle (see fig 5).
Setscrew A
Carrying
handle
Top cover
Face cover
Bobbin winder
Fig. 1
Fig. 3
Fig. 4
Fig. 5
Setscrew B Setscrew C

3
Changing external parts
Machine base
To remove:
1. Remove the setscrews A.
2. Remove the machne base.
To attach:
1. Follow the above procedure in reverse.
Setscrew A
Setscrew A
Setscrew A
Setscrew A
Machine base
Base cover
To remove:
1. Remove the setscrews B.
2. Remove the base cover.
To attach:
1. Follow the above procedure in reverse.
Setscrew B
Setscrew B
Setscrew B
Setscrew B
Base cover
Setscrew C
Setscrew C Bed cover Bed cover
To remove:
1. Remove the setscrews C.
2. Remove the bed cover.
To attach:
1. Follow the above procedure in reverse.