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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 UNDERDECK JIB REEFING & FURLING
Unit 1, 2, 3
Installation Manual – Intended for specialized personnel or expert users
4656 v1 08/21
Preassembly
Parts
4–5
Rigging Parts Check/Tools
6
Dimensions/Sailmaker's Instructions
7
Stay Length Deductions/Stay Into Foil Options 8
Hub Assembly
Deck Flange
9
Install Hub Assembly in Bow
10–11
Assemble Drum Components
11
Underdeck Lead Block
12
Preassembly
Top Foil Length (Unit 1)
13
Top Foil Length (Unit 2)
14
Top Foil Length (Unit 3)
15
Short Top Foil (Unit 1)
16
Short Top Foil (Unit 2)
17
Short Top Foil (Unit 3)
18
Confirm Foil Length
19
Assembly
Foils/Connectors
20–26
Halyard Swivel
26
Torque Tube Assembly
27
Rod Rigging
28
Attach Turnbuckle/Foils to Boat
29–31
Feeder/Final
32
Commissioning
Turnbuckle
33–34
Lead Line to Cockpit
35
Halyard Swivel Height/Angle
36
Halyard Restrainer/Tension
37
Operation
Halyard/Headstay Tension
38
Raise Sails/Storm Sails/Reefing
39–40
Secure Sail
40
Race Conversion
41
Maintenance
Clean/Lubricate/Inspect
42
Confirm Deck Flange/Tack Swivel Gap
42
Replace Line
42
Storage/Transporting
42
Remove Furler
42
Troubleshooting/Warranty