Unit 5h, Top foil length worksheet, Preassembly top foil length – Harken 7415.15S MKIV Hydraulic Jib Reefing & Furling User Manual
Page 11
MKIV Hydraulic Unit 5
11
Preassembly
Top Foil Length
Length Chart
Dimensions
in
mm
A Center of Pin to Bottom of Terminal
B Bottom of Terminal to Top of Foil
3
76
C Top Foil Length
D Number of Foils ________ x 108" (2743.2 mm)
E Bottom Foil
30
762
F Bottom of Foil to Top of Toggle Housing Insulator
28
723
G Top of Toggle Housing Insulator to Clevis Pin
Pin-to-Pin Length
Measure A and add to this chart
and length chart below
Inches
mm
A
B
3
.00
76
E
30
.00
762
F
28.5
723
G
Total A+B+E+F+G
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
7 x 108 = 756
8 x 108 = 864
9 x 108 = 972
10 x 108 = 1080
11 x 108 = 1188
12 x 108 = 1296
13 x 108 = 1404
7 x 2743.2 = 19202
8 x 2743.2 = 21946
9 x 2743.2 = 24689
10 x 2743.2 = 27432
11 x 2743.2 = 30175
12 x 2743.2 = 32918
13 x 2743.2 = 35662
Example–If result from Step 3 is:
1200 inches “D” = 1180 inches 32,000 mm “D” = 30,175 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
Pin
to
Pin
TOP FOIL LENGTH WORKSHEET
G Top of Toggle Housing Insulator to Clevis Pin
Toggle
Part No.
Type
Clevis Pin
G Distance
in
mm
in
mm
7415.25 1
1
/
8
Toggle Assembly
1
1
/
8
28.6
6
3
/
8
162
7415.25 1
1
/
4
Toggle Assembly
1
1
/
4
31.8
7
1
/
16
179
7415.26 1
1
/
8
Hydraulic Cylinder/Toggle
1
1
/
8
28.6
28
15
/
16
*
735*
7415.26 1
1
/
4
Hydraulic Cylinder/Toggle
1
1
/
4
31.8
29
5
/
8
*
752*
*Dimensions with cylinder 58% open
UNIT 5H
Cylinder Pin
Ø
G Distance (Closed)
G Distance (Open)
in
mm
in
mm
1
1
/
8
25
7
/
16
647
31
7
/
16
799
1
1
/
4
26
1
/
8
664
32
1
/
8
816
A
C
D
E
F
Pin
to
Pin
B
G
G