Happy HCS2-1201-30, Maintenance Manual

Page: 74 / 196

7 5
3-3-13 Adjustment of thread holder
1. Remove the lower front panel.
2. Loosen screw to the extent that thread hoIder moves.
3. Insert positioning gauge [ 47.5±0.1mm ] between lower
part of moving head and holder (upper) and mount it
vertical.
4. Hold down the pressurefoot and take the hook in and out
by finger to check movement of hook goes smoothly.
Check this at 1th , 6
th
, 12
th
needle.
<Positional relationship between hook and holder (lower)>
5. Thread catcher device should be adjusted if above
clearance is not keepable.