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Mount the engine as far forward as possible.
Stub shaft prep: Square
drive type:
Get the stub shaft.
Put the drive dog on the stub shaft, then the prop.
Push the prop into the drive dog, and slide both
until the prop covers the first 2 or 3 threads on the
stub shaft.
Tighten the drive dog set screw.
Make a mark on the stub shaft at the front of the
drive dog.
Remove the drive dog and prop, being careful not
to disturb the mark on the stub shaft
Measure 3/16 inch back from your (drive dog) line,
and file a flat spot, about 1/8 inch wide and
1/16inch deep.
This is for the set screw. File off any burrs, and put
the drive dog back on, tightening the set screw into
the flat.
Put the thrust bearings on the shaft, in front of the
drive dog.
Slide the stub shaft into the strut, until the thrust
bearing touches the back of the strut.
Make a mark on the front of the stub shaft, where it
enters the strut.
Remove the stub shaft, and make another mark ½
inch in front of your mark.
Cut the stub shaft at this mark.
The stub shaft should stick out the front of the strut
by ½ inch, when assembled.
Use a marker to “paint” the cut end of the shaft.
Make this area ½ inch long, and about half the
diameter of the shaft.
Slide the ferrule on the shaft, and tighten the set
screws into the “paint”.
Remove the shaft and ferrule, and grind or file flat
spots for the ferrule set screws on the marks you
just made.
File off any burrs, and reinstall this assembly in the
strut.
Put the prop and prop nut on. Put the ferrule on the
stub shaft, and lightly tighten the set screws. Slide
your flex cable into the front of the ferrule, and tape
the front of the cable to the bottom of the boat for
now.
Summary of Contents for I-BOX
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