Harken 430 Single Line Reefing - Manual (Page 4)

4
Installation Tip – Internal Halyards
To keep screw from snagging internal halyards, first install, then
remove, nip off the end and reinstall.
A. Mount the reefing tack block to the mast on the same
side as the track is mounted to the boom. Position the
block so the line pulls down and forward at 45° when
reefed.
Step 3 Installing Tack Block
General Instructions Detailed Instructions
A. Choose the same side as the track is mounted to
the boom. Position the reefing tack block so it’s aft of
the side of the mast. Looking down from above it will
be pointed to 5:00 or 7:00 o’clock depending whether
it’s mounted on the starboard or port side respectively.
Looking from the side, the top of the block should be
just below the level of the bottom of the boom. Position
the eyestrap, parallel to the load (see diagram).
Self-Tapping
Drilling and Tapping
#10 x 3/8”
Roundhead Self-Tapping Screws
(Use Blue Loctite on Screws)
2 Screws
4 mm 5/32” Drill
US Metric
5 x .80 x 10 mm
Trusshead Machine Screws
(Use Blue Loctite on Screws)
10-32 x 3/8”
Roundhead Machine Screws
(Use Blue Loctite on Screws)
2 Screws
5 x .80 mm 10-32 Tap
4.2 mm 5/32” Drill
Metric US
General Instructions Detailed Instructions
Step 2 Mounting Clew Slider
A. Install the clew slider on the track, so it’s aft of the
reef outhaul grommet.
A. Load the clew slider on the track so the eyestrap
is down. Secure by tightening the set screw into a
positioning hole. This may be adjusted later while
adjusting the system at the dock with the sail hoisted.
Port-Side Installation
The car is shipped ready for installation on the star-
board side. If installing on the port side of the boom
remove the cheek block and reinstall so sheave faces
forward.
Port-Side Installation
If installing on port side, flip block around.
Port Installation
Starboard Installation
Mast
5:oo
7:oo
Position the
eyestrap so it
aligns with
the load.