Harken 7412.13 12V MKIV Electric Jib Reefing & Furling - Manual (Page 26)

Slide halyard swivel above feeder. Place
feeder in foil recess. Push screw down
so tab catches under foil. Tighten screw.
Note: Screw will turn with some difficulty.
It is plastic coated to prevent loosening
due to vibration.
IMPORTANT! When removing screw,
loosen no more than one full turn.
Slide screw up and remove feeder.
Assembly Feeder/Final
26 MKIV Unit 2E, 3E
Check foil height at top, set and secure
using hex key.