Harken 7415.15S MKIV Hydraulic Jib Reefing & Furling - Manual (Page 10)

10 MKIV Hydraulic Unit 5
Preassembly Toggle Deductions/Stay Into Foil Options
Use dimensions of Harken toggles or cylinders shown below to build stay to correct length.
Toggle Assembly
Turnbuckles should be 1/2 to 2/3rds open to allow shortening for new wire stretch and for fine-tuning mast rake and
to help connect the stay.
Hydraulic Cylinder
Length for hydraulic cylinder can be determined at 1/2 to 2/3rds open to allow to allow shortening for new wire
stretch and for fine-tuning mast rake and to help connect the stay. Stroke length for Unit 5 cylinder is 6" (152 mm).
1. Swage stud at end of wire.
2. Open end of wire and install Norseman or Sta-Lok
® stud after foil is assembled.
3. Rod adapter fitting (not supplied by Harken).
WARNING! Using a threaded nosepiece with only adhesive at the
upper rod eye terminal may result in headstay failure. Always use
terminals with mechanical locks as specified by rod manufacturer.
Options for Snaking Stay into Foils
Toggle
Part No.
Clevis Pin
Ø
Pin-to-Pin
Length
7415.25 1 1 /
8
Std 1 1 /
8
" (28.6 mm) 5" (126.72 mm)
7415.25 1 1 /
4
Std 1 1 /
4
" (31.8 mm) 5 11 /
16
" (143.91 mm)
Hydraulic Cylinder
Part No.
Clevis Pin
Ø
Max. Pin-to-Pin
Length
Min. Pin-to-Pin
Length
7415.26 1 1 /
8
Cylinder 1 1 /
8
" (28.6 mm) 27 11 /
16
" (703 mm) 21 11 /
16
" (550.29 mm)
7415.26 1 1 /
4
Cylinder 1 1 /
4
" (31.8 mm) 28 5 /
16
" (720 mm) 22 5 /
16
" (567 mm)
Deductions to Determine Stay Length