Happy HCS2-1201-30, Maintenance Manual

Page: 94 / 196

9 6
3-6-7 Exchange of fixed knife
1. Remove needle plate.
2. Remove fixed knife.
3. Exchange fixed knife.
4.Tighten fixed knife pushing to forward as full as possible.
<Notice>
In case moving knife and the left side of fixed knife
overlaps excessively when closing, adjust the position of
fixed knife slightly to the right direction.
5. Referring to [3-6-8 Adjustment of moving knife and
fixed knife],check how well thread is cut and adjust,
then finish this process.