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 TM 55-1905-221-14-3
6-16
PROPELLER, PROPELLER SHAFT, AND STUFFING BOX (Continued)
LOCATION/ITEM
ACTION
REMARKS
REPAIR (Cont)
f.
Electrolytic Action. Zinc
protector collars on the
shafting should be replaced as
necessary. Steel shafting
that is exposed to sea water
should be protected from
electrolyte action by a rubber
or plastic protective covering
when electrolytic action
occurs between the steel shaft
and the bronze bearing journ l
a
sleeve.
g. Plugging Shaft Ends. All
shafting that is exposed to
sea water and has been bored
throughout its entire length
must have both ends plugged to
prevent water from seeping
into the hollow shaft and into
the vessel. One method is by
tapping the shaft bore with a
tapered pipe thread. In this
method, a threaded plug is
fitted and installed with
thread compound to insure the
watertightness of the plug.
INSTALLATION OUT OF WATER
19. Flexible Hose
a. Place propeller shaft (5) in
Stuffing Box,
position in vessel.
and Propeller
Shaft
b. Install packing (18) in
stuffing box (19).
c.
Position stuffing box (19) in
place on propeller shaft (5).
6-186
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