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S
ECTION
Step 3:
Set the
propeller on the shaft
and slide it up the
taper with the full nut
ensuring that the
propeller hub runs up
to the mark.
•
Remove the propeller and inspect the pattern
transferred from the shaft to the bore of the
propeller.
•
The pattern should be consistent over the full
contact area.
•
The pattern will not be complete, but it should
show a consistent transfer over at least 80
percent of the contact area.
•
If the propeller bore shows an area, with little or
no transfer, remove the key from the shaft and
apply some lapping compound to the shaft.
Step 4:
Set the
propeller on the taper
with the nut set
loosely. Rotate the
propeller in 60 - 90
degree increments
first clockwise, then
counterclockwise.
•
The propeller will begin to bind as the compound
is worked out from between the shaft and
propeller. At this stage, clean the shaft taper and
propeller bore and repeat the above steps until
a transfer showing 80 percent contact is made.
Step 5:
Final
Installation — apply a
light coat of Never
®
Seize
to the shaft
taper.
•
Set the propeller
on the shaft with
the keyensuring that the propeller is in full
contact and in the proper position on the taper.
®
52 Sundancer
(525 Sundancer
4 • B
& U
ILGE
®
)
NDERWATER
•
If the propeller is not fitted with a Propsmith
equivalent, the propeller nut should be used to
drive the propeller up the taper.
•
Document right hand and left hand prop make/
model installation on Prop Verification Sheet at
the point of installation.
Step 6: Install the
small propeller nut.
Use the slugging
wrench making small,
but numerous hits on
the wrench until the
propeller is driven up
the taper one quarter
(1/4) turn after the nut contacts the propeller.
Step 7: Remove the
slugger wrench, install
the larger nut and
tighten one sixth (1/6)
turn after nut contacts
the small propeller nut,
using the slugger
wrench and mallet.
•
Install the cotter pin and bend each side 180
NOTE: Do not use the propeller blades as stops
by wedging blocks of wood between the blade
and the hull of the boat.
NOTE: The propeller hub may be heated to ease
the removal process using a non-oxidizing gas
such as propane. The hub should not be heated
beyond approximately 150 degrees F.
G
EAR
®
or
o
.
4.11
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