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elna 9900
CONTENTS
Replacing the Spool Stand...........................................................................................4
Replacing the Tension Unit Cover ................................................................................4
Replacing the Static head cover (Right).......................................................................5
To Replace Right Cover and Left Cover.......................................................................6
Replacing the Base Cover and Bed Cover ..................................................................7
Checking the Thread Paths (1) ....................................................................................8
Checking the Thread Paths (2) ....................................................................................9
Replacing the Needle ................................................................................................. 10
Needle and Thread Reference Table ......................................................................... 11
Checking the Lowest Position of the Needle.............................................................. 12
Replacing the Needle Bar Rest .................................................................................. 13
Replacing the Take-up Lever Cam Roller .................................................................. 14
Adjusting the Take up Lever Timing ........................................................................... 15
Replacing and Adjusting the Presser Foot (1)............................................................ 16
Replacing and Adjusting the Presser Foot (2)............................................................ 17
Replacing the Thread Catcher Unit ............................................................................ 18
Replacing the Thread Catcher Hook .......................................................................... 19
Replacing the Jump Solenoid .................................................................................... 20