Harken C8436 User Manual
NAUTOR MKIV
Jib Reefing & Furling
Installation Manual
C8436/C8437
Parts
2' (610mm)
Bottom Foil
Halyard Swivel
Bottom
Connector
Connectors
Bow
Shackles
7' (2.13m) Foils
Connector Bushings
Plastic
Connector
Wedges
Feeder
Foil Screws
Trim Cap
Prefeeder
3,4, 6, 10mm
Allen Wrenches
Toggle/Terminal Assembly
Drum Assembly
Main Components
Part No. Quantity Description
HFG293 1
H-39392 1
Foils (Standard Package)
Part No. Quantity Description
7413.30
7413.33 1 2'(610mm) Botton foil (shipped in drum box)
Tools
Quantity Description
1 Each 3, 4, 6, 10mm Allen wrenches
4/18/07 Nautor MKIV Furling 3
C8436 (9)
C8437 (10)
Drum assembly with clamp
Halyard swivel
7' ( 2.13m) Foil
Other Components
Part No. Quantity Description
7413.31
7413.32 1 14" (356mm) Bottom connector
HFG297 1 Connector bushing set (20 each H-42073/H-42074)
HFG324 1 Plastic connector wedge set (22 39487)
HFG349 1 Foil screw set (44 HFS1106)
HFG682 1 Trim cap set (H-39751/H-39752)
947 1 Prefeeder
H-39756 1 Feeder with screw and tab
2124 3 10mm Bow shackle
HFG725 1 Injector
HFG722 1 1 oz. 5200 Adhesive
833 1 Blue Loctite
C8436 (8)
C8437 (9)
9.75" (248mm) Connector
Blue Loctite
®
®
Injector
5200
Adhesive
Preassembly Headstay Length
HEADSTAY CUT LENGTH
Subtract the following from the headstay
length and cut the stay at that point.
HEADSTAY CUT LENGTH CHART
Clevis Pin Size 22.2mm 25.4mm
-30 rod (11.1 mm) 185mm —
-40 rod (12.7 mm) — 229mm
HEADSTAY CUT LENGTH
ROD COLDHEAD HEIGHT
Make sure the length of coldhead does not
interfere with the drive pin.
Distance between the collet bottom and the
rollpin is 6.5 mm
6.5 mm
4 Nautor MKIV Furling 4/18/07
Preparation Foil Length
FOIL CUT LENGTH
Foil cut length is based on pin-to-pin length as measured from center of upper pin (attaches the stay to the mast) to center of lower
pin (attaches the furling unit to the boat). Measurement includes the
masthead toggle.
To check foil length, lay foils alongside stay before
cutting top foil.
TOP FOIL CUT LENGTH
Instructions For Worksheet Below:
1 Fill in total pin-to-pin length.
2 Fill in A length.
3 Add A, B, E, F and subtract from total pin-to-pin length.
SUM = _________
4 Choose the number from foil multiplier below closest to,
but not greater than, sum from step 3. Fill in D length.
7 x 2133.6 = 14935.2
8 x 2133.6 = 17068.8
9 x 2133.6 = 19202.4
10 x 2133.6 = 21336.0
11 x 2133.6 = 23469.6
12 x 2133.6 = 25603.2
5 Add A, B, D, E, F
Subtract from pin-to-pin length for C (top foil length).
E
WORKSHEET: DETERMINE TOP FOIL LENGTH
C8436
-30
DIMENSIONS
A
Center of PIN to Bottom of Terminal
B
Bottom of Terminal to Top of Foil
C
Top Foil
D
__?__ 84" (2133.6mm) Foils (Quantity)
E
Bottom Foil 610mm 610mm
F
Clevis Pin to Foil 533mm 577mm
Total Pin-to-Pin Length _________ _______
22.2mm PIn
_______ _______
20mm
_______ _______
_______ _______
C8437
-40
25.4mm PIn
20mm
F
4/18/07 Nautor MKIV Furling 5
Assembly Top Foil
Cut foil to length using a hacksaw.
Deburr inside edge using a rat-tail file.
Tip: Mark top foil to distinguish from
cutoff piece.
Lay top foil alongside cutoff piece and
use a flat metal object (i.e. metal ruler)
to scribe top line of foil.
6 Nautor MKIV Furling 4/18/07
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