Harken Underdeck Furler MKIV Unit 3 - Sleek Sail Trim

MKIV furling systems are strong, lightweight and aerodynamic, with the performance and features Harken® is known for. Longevity, ease of use, and simplicity of installation are crucial components of the design sailing adventure.

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Top & Bottom Cover Assembly
Guard Assembly
Torque Tube Assembly
Hub Assembly
Rod Adapter Stud
Trim Cap & Foil Components
Instruction Manual & Accessories
Lead Block Kit

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Top Cover Assembly

Part N°	Description	Quantity
HFG689	Top Cover Assembly w/Screws	1
H-35025D	Top Cover Special Order	2
HFS1060	Top Cover Screw (M5 x.8 x 12MM)	2
HFG690	Bottom Flange Assembly w/Screws	1
H-35465C	Flange	2
HFS1060	Bottom Flange Screw (M5 x 8 x 12MM)	2

Guard Assembly

Part N°	Description	Quantity
HFG691	Guard Assembly	1
H-33758E	Guard Set	2
HFS873	Guard Screw (M8 x 1.25 x 50MM SHCS)	2

Torque Tube Assembly

Image Ref.	Part N°	Description	Quantity
1	HFG929	Torque Tube Assembly	1
2	H-42967	Clamp	1
3	HFS1107	Clamp Screw (M8 x 1.25 x 25MM SHCS)	4

Hub Assembly

Image Ref.	Part N°	Description	Quantity
-	HFG925	Hub Assembly Special Order	1
1	HFS203	Cotter Pin (5/32" x 1.250")	4
2	H-42403	Clevis Pin (3/4" x 1.766") Special Order	4
3	HFG935	Bearing Cap w/Insert Special Order	2
A	H-44674	Bearing Cap Special Order	1
B	HCP1684	IGUS Bushing Special Order	1
4	HFS876	Socket Head Cap Screws (M6 x 1 x 12MM)	4
-	H-38168	Ball Plug	5
-	MP-128	Torlon Ball Bearing (1/2") Special Order	28
-	MP-116	Delrin Ball Bearing (1/2") Special Order	134
5	H-44680	Deck Flange Special Order	1

Rod Adapter Stud

Image Ref.	Part N°	Description	Quantity
-	7426-22	Rod Adapter Stud (-22) w/Nosepiece	1
1	H-41812	Stud (Main Body) Special Order	1
2	H-41811	Nosepiece (-22) Special Order	1
3	HFG319	Cotter Pin (3/32" x 1 3/4") Special Order	2
4	HFG303	Stud Cap (7/8") ID (not shown) Special Order	1
-	7427-30	Rod Adapter Stud (-30) w/Nosepiece	1
1	H-41814	Stud (Main Body) (not shown) Special Order	1
2	H-41813	Nosepiece (-30) Special Order	1
3	HFG319	Cotter Pin (3/32" x 1 3/4") Special Order	2

Trim Cap & Foil Components

Part N°	Description	Quantity
HFG682	Trim cap set w/o screws	1
HFG672	Trim cap screw set	1
HFS1127	Trim cap screw	2
H-39392	Halyard swivel	1
H-39916	Clip/smalley ring for balls Special Order	2
MP-128	Torlon ball bearings Special Order	88
7413.FOILSET BLACK	Foil set, less bottom foil - Standard Special Order	1
7413.30.BLACK	Foil (7'/2.13 m luff) Special Order	10
7413.33.BLACK	Foil (2'/610 mm) bottom-Standard Special Order	1
7413.FOILSET CLEAR	Foil set, less bottom foil (Special order) Special Order	1
7413.30.CLEAR	Foil (7'/2.13 m luff) Special Order	10
7413.33.CLEAR	Foil (2'/610 mm) bottom (Special order) Special Order	1
HFG349	Foil screw set	1
HFS1106	Foil screw	46

Instruction Manual & Accessories

Part N°	Description	Quantity
4656	Instruction Manual Special Order	1
947	Prefeeder	1
833	Loctite Blue Special Order	1
HFG739	Loctite Red Special Order	2
HFG725	5200 Adhesive Set Special Order	1
HFG722	5200 Marine Adhesive Sealant Special Order	1
HFG200	Injector Special Order	1
Hex Keys
HFG647	10 mm Special Order	1
HFG644	6 mm Special Order	1
HFG640	4 mm	1
HCP1089	3 mm Special Order	1

Lead Block Kit

Part N°	Description	Quantity
7404	Lead block kit	1
7403	29 mm outboard lead assembly	3
7402	57 mm Carbo ratchet assembly	1
7401	40 mm Carbo assembly	1
HCP168	Horn cleat Special Order	1
Additional Lead Blocks
2600	57 mm Carbo Single Swivel	1
137PAIR	Stainless Steel Eyestrap	1
071PAIR	Stand-Up Spring	1
HC7981	Thru-Deck (2.25") (not shown) Special Order	1
2124	Shackle (10 mm)	3
945	Halyard Restrainer	1
945ASSY	Sheave/SS Inner Race Only Special Order	1
SP-038	Clevis Pin (5/16" x 11/4") Special Order	1
HCP394	Bracket-Large Special Order	1
HFS181	Cotter Pin (3/32" x 3/4")	1
7304	Halyard Deflector	1