MIL-W-28517B(YD)
3.12 Identification
marking. Identification shall be permanently and
legibly marked directly on the water supply system or on a corrosion-resisting
metal plate securely attached to the water supply system at the source of
manufacture.
Identification shall include the manufacturer's model and serial
number, name and trademark to be readily identifiable to the manufacturer.
The pump shall be equipped with instruction plates
3.13 Instruction plates.
suitably located, describing any special or important procedures to be followed
in operating and servicing the equipment.
Plates shall be of a material which
will last and remain legible for the life of the equipment.
Plates shall be
securely affixed to the equipment with nonferrous screws or bolts of not less
than 1/8-inch diameter.
3.14 Dissimilar metals. Metals dissimilar with respect to the galvanic
scale shall not be used unless separated by an insulating material which will
avoid electrolytic corrosion.
3.15 Cleaning, treatment, and painting.
Surfaces normally painted in good
commercial practice shall be cleaned, treated, and painted as specified herein.
The color of the finish coat shall be as specified (see 6.2).
Surfaces to be
painted shall be cleaned and dried to ensure that they are free from
contaminants such as oil, grease, welding slag and Spatter, loose mill scale
water, dirt, corrosion product, or any other contaminating substances. As soon
as practicable after cleaning, and before any corrosion product or other
contamination can result, the surfaces shall be prepared or treated to ensure
the adhesion of the coating system.
The painting shall consist of at least one
coat of primer and one finish coat of acrylic-based enamel.
The primer shall be
applied to a clean, dry surface as soon as practicable after cleaning and
treating.
Painting shall be with manufacturer's current materials according to
manufacturer's current processes and the total dry film thickness shall be not
less than 2.5 mils over the entire surface.
The paint shall be free from runs,
sags, orange peel, or other defects.
3.16
Workmanship.
3.16.1 Bolted connect ions.
Bolt holes shall be accurately punched or
drilled and shall have the burrs removed.
Washers or lockwashers shall be
provided in accordance with good commercial practice, and all bolts, nuts, and
screws shall be tight.
3.16.2 Steel fab rication.
The steel used in fabrication shall be free from
kinks , sharp bends, and other conditions which would be deleterious to the
finished product.
Manufacturing processes shall not reduce the strength of the
steel to a value less than intended by the design.
Manufacturing processes
shall be done neatly and accurately. All bends shall be made by controlled
means to ensure uniformity of size and shape.
3.16.3 Ri veted connections . Rivet holes shall be accurately punched or
drilled and shall have the burrs removed.
Rivets shall be driven with pressure
tools and shall completely fill the holes.
Rivet heads, when not countersunk or
flattened, shall be of approved shape and uniform size for the same diameter of
rivet,
Rivet heads shall be full, neatly made, concentric with the rivet holes,
and in full contact with the surface of the member,
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