Unit 3, Preassembly sizing check – Harken 7413.15 MKIV Hydraulic Jib Reefing & Furling User Manual
Page 3

MKIV Hydraulic Unit 3
3
Preassembly
Sizing Check
11
12
13
14
15
16
17
3. Will lower unit fit on bow? See page 9. If necessary, use an additional toggle to slightly raise unit.
Size Check
1. Check headstay and clevis pin dimensions in chart below.
2. Harken does not recommend drilling boat’s chainplate or toggle. Bushings may be required to fit boats with
smaller clevis pin sizes.
UNIT 3
Unit
Part No.
Description
Wire Ø
7413.15
7413.16
MKIV Hydraulic Unit 3 (Aluminum Foils)
MKIV Hydraulic Unit 3 (Carbon Foils)
7
/
16
",
1
/
2
"
11 mm, 12 mm
Rod Ø
-22, -30
9.53 mm, 11.10 mm
Toggle Part No.
Description
Toggle Clevis Ø
7413.25 3/4
Toggle Assembly
3
/
4
"
19.1 mm
7413.25 7/8
Toggle Assembly
7
/
8
"
22.2 mm
7413.26 3/4
Hydraulic Cylinder/Toggle
3
/
4
"
19.1 mm
7413.26 7/8
Hydraulic Cylinder/Toggle
7
/
8
"
22.2 mm
18
19
D
G
E
F
B
A
C
H
See page 39 for all
toggle dimensions.
Online Product Registration
www.harken.com/FurlingWarranty
WARNING! Do not drill boat's chainplate or toggle. This may result in rig failure.
Use the correct size toggle and clevis pin.