Harken 7413.10 MKIV Jib Reefing & Furling built after Feb. 2009 User Manual
Mkiv jib reefing & furling unit 3, 4

Please read these instructions carefully before installing, servicing, or operating the equipment.
This manual may be modified without notice. See: www.harken.com/manuals for updated versions.
PLEASE SAVE THESE INSTRUCTIONS
MKIV JIB REEFING & FURLING
Unit 3, 4
Installation Manual – Intended for specialized personnel or expert users
4673 11/14
Preassembly
Safety precautions/parts descriptions
2
Sizing check
3
Parts
4 - 5
Line/rigging parts check/tools
6
Dimensions/sailmaker's instructions
7
Toggle deductions/stay into foil options
8
Top foil length Unit 3/Unit 4
9 -10
Short top foil Unit 3/Unit 4
11 - 12
Confirm foil length
13
Assembly
Foils/connectors
14 - 20
Halyard swivel
20
Drum assembly
21
Rod rigging
22
Attach turnbuckle/toggle
23
Attach toggle/short length plate
24
Attach toggle/long length plate
25
Feeder/final 26
Commissioning–Unit 3/4
Turnbuckle on boat
27
Lead line to cockpit
28
Halyard wrap/prevent halyard wrap
29
Pendant/halyard: restrainer/ halyard tension 30
Commissioning—Unit 4
Tying soft attachment tack/head/halyard
31
Operation
Halyards/headstay tension
32
Raise sails/storm sails/reefing
33
Reef/secure sail
34
Race conversion
35
Maintenance
Clean/inspect 36
Replace line
36
Storage/remove furler
36
Troubleshoot
37
Warranty
37
Appendix
38 - 41