Harken 7320.10 ESP Jib Reefing & Furling - Manual (Page 8)

8 ESP Unit 1
Preassembly Top Foil Length
Length Chart
Dimensions Inches mm
A Center of Pin to Bottom of Terminal
B Bottom of Terminal to Top of Foil
1.1* 28*
C Top Foil Length ** **
D Number of Foils ________ x 78.74" (2000 mm)
E Adjuster Tube at Just Over Midpoint
23.6 600
F Drum Height 4.9 124
G Top of Leg Kit to Clevis Pin
Pin-to-Pin Length
*Add 1.1" (28 mm) if using a halyard deflector.
**If top foil length is 7.75" to 5" (200 to 125 mm) cut the foil at 7.75" (200 mm). If the top foil
is shorter than 5" (125 mm) do not use a cut top foil. A full length foil will be the top foil.
Measure A and add to this chart
and length chart below
Inches mm
A
B
1.1* 28*
E 23.6 600
F 4.9 124
G
Total A+B+E+F+G
*Add 1.1" (28 mm) if using a halyard deflector.
Make sure upper
measurement points
of A and pin-to-pin
are the same.
1 Pin-to-Pin Length
2 Subtract ABEFG –
3 Result (Pin-to-Pin – ABEFG)
4 Subtract D –
To find “D” pick number from chart below that is closest to,
but not greater than total from step 3.
Inches mm
3 X 78.74 = 236.2
4 X 78.74 = 315.0
5 x 78.74 = 393.7
6 x 78.74 = 472.4
7 x 78.74 = 551.2
8 x 78.74 = 629.9
3 x 2000 = 6000
4 x 2000 = 8000
5 x 2000 = 10000
6 x 2000 = 12000
7 x 2000 = 14000
8 x 2000 = 16000
Example–If result from Step 3 is:
500 inches “D” = 472.44 inches 11500 mm “D” = 10000 mm
5 Result (C) Top Foil Length
After completing worksheet above fill in A, C, D, and G below. Add
“A” through “G” to confirm total equals your pin-to-pin measurement.
Length Check
Alternate
Measurement
Point
A
TOP FOIL LENGTH WORKSHEET
Pin
to
Pin
G Top of Leg Kit to Clevis Pin
Toggle
Part No. Type
Clevis Pin G Distance
in mm in mm
7321.20 7/16 Short Leg Kit 7 /
16
11 3.7 93
7321.20 1/2 Short Leg Kit 1 /
2
12.7 3.7 93
7321.22 7/16 Medium Leg Kit 7 /
16
11 7.4 188
7322.20 1/2 Medium Leg Kit 1 /
2
12.7 7.6 193
7321.21 7/16 Long Leg Kit 7 /
16
11 12.3 313
7321.21 1/2 Long Leg Kit 1 /
2
12.7 12.3 313
UNIT 1
Tip: Check to see if the foil fits over
the marine eye. If yes, assemble foils
and lower unit following instructions.
Measure and cut the top foil after
other foils are assembled.
IMPORTANT! Identify top foil before
cutting. Use end with foil screw
holes for connector.
A
C
D
E
F
Pin
to
Pin
B
G