To install
a new rudder:
1)
Remove the black carbon cover at the rear of the ski. Newer skis have a thumb
screw that can be removed by hand, for older skis use a Pozi #2 screwdriver to
remove the screw.
2)
Remove the nut on top of the old rudder and slide it out. Remove all washers.
3) Remove the nut and all the washers from the new rudder.
4) Slide the new rudder in from the bottom of the ski.
5) Add 8mm flat washers as required. See step 9 to work out the correct number
of washers.
6) Slide on the bar with rudder cables attached. Make sure the square hole
lines up with the square machined on the shaft.
7) Add the 6mm lock washer.
8) Screw on the M6 nylock nut and tighten with a 10mm spanner or socket.
9)
When tightening watch the gap between the rudder and the bottom of the boat. If
the rudder pulls against the boat before the nut is fully tightened remove a
8mm washer. If the gap is more than 1mm with the nut fully tightened, add 8mm
washers as required.
9)
After the M6 nut is tight replace the black carbon cover. Don’t overtighten the
screw, only tighten until the cover doesn’t move anymore.
The
thinnest washer is 1mm thick, which means there always needs to be vertical
movement of the rudder of between 0 and 1mm. 1mm is equal to about 10 sheets of
paper, if you cannot slide that easily against the rudder shaft then adding a
washer will pull the rudder against the ski.