Harken 7413.10 MKIV Jib Reefing & Furling built after Feb. 2009 - Manual (Page 23)

Assembly Attach Turnbuckle/Toggle
Washer
Assemble turnbuckle.
Note: If using STA-LOK ® or Norseman
stud, you must use a washer above
stud as shown below.
MKIV units 3, 4 23
Connect eye to toggle jaw using special clevis pin.
Secure using cotter pin.
If stay length is set, use side cutters or
needle-nose pliers to bend cotter pin
to secure turnbuckle.
Make sure shallow jaw is up.
Up
Down
STA-LOK is a registered trademark of Barfield
Engineering Company Ltd.