HappyJapan HCD2-1501-40, Maintenance Manual

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4. Install rod ass’y.
Should not have gap between a rod ass’y and washer.
Also rod should work smoothly.
Not have gap
#
In case has gap between a rod and washer, machine
makes noise.
5. Set dial disc to [ L + 0 degrees ].
In this time, please check distance between upper face
of presser foot and bottom face of fixed head to
[25.5+/-0.2mm].
25.5+/-0.2mm
6. Set dial disc to [ L + 60 degrees ].
In this time, please check distance between upper face
of presser foot and bottom face of fixed head to
[26.1+/-0.2mm].
7. After check item 5 and 6 then tight screw completely for
fix take-up lever cam.
8. Put each unit back to where it was according to manual.