Figure 4-34.--Deck supports and transom knee.
Figure 4-32.--Outer bounding frame, starboard transom.
is usually secured to the engine stringer with bolts.
Engine hold-down bolts are installed with the heads at
the seam between the engine bed and engine stringer.
These bolts protrude upward about 2 or 3 inches above
the top of the engine bed, and the engine is fitted over
the protruding end. A nut is used on each of these bolts
to hold the engine in place. Gaps are cut at the seam
between the engine bed and the engine stringer to
allow access to the heads of the hold-down bolts.
DECK COVERINGS
The qualities required in deck coverings for naval
Figure 4-33.--View of stern, with decking removed.
lightness of weight, slip resistance, ability to protect
steel decks from corrosion, good appearance, and ease
performing this job, remove the engine and the
of maintenance. Simplicity of application and the
damaged pieces carefully so that you can use them to
initial cost of the material are also important
make templates.
considerations.
As a rule, the engine stringer is secured to the floor
A number of different kinds of deck coverings are
timber with rods. Since the nuts are on the face of the
available. However, deck coverings used in any area
stringer, you must back off the underneath planking
aboard ship must be according to NAVSEA
so that the rods may be removed, when necessary, to
replace the stringers or defective parts. The engine bed
instructions and specifications. Information on deck
4-27