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THRUSH AIRCRAFT, INC – MODEL S2R-R1340 THRUSH 600
b. Detach all removable panels from the
aircraft. Wash down the rear fuselage
aft of the wing trailing edge.
joints, skin bends, and so forth should
receive particular attention. Remove
excess moisture after flushing.
c. The forward fuselage and engine
section should not be cleaned with
water unless close attention is made to
avoid removal of lubricants and to
avoid possible rusting of components
and hardware.
non-corrosive cleaning agent, such as
PD-680, mineral spirits or Safety
Kleen, is preferred in those areas.
d. Particular attention should be given to
the wing center splice fittings and the
attachments of the oil cooler, hopper
and engine mount.
e. Hopper
cleaning
accomplished at the end of each
working day.
detergent should be used and followed
by a thorough flush with water. Leave
the hopper door and gate open for
thorough drying.
PAINTED SURFACE REPAIR: The aircraft
exterior
is
painted
polyurethane. The forward upper glare
shield part is painted over with flat black
polyurethane. The fuselage frame is
painted with a primer, and then painted
with a gray Ultrathane.
All repairs involving refinishing should be
painted to the original specifications. The
following procedures should be carried out
step by step.
a. Sand part to bare metal using 180 grit
or finer emery paper or wet-or-dry
paper. Avoid removal of cladding with
the Alclad parts, whenever possible.
b. Thoroughly clean area with isopropyl
alcohol, a solvent, or thinner. Remove
this cleaning agent before it dries with
a clean dry cloth so that no oily film
remains.
2-36
AIRCRAFT MAINTENANCE MANUAL
Tube
A general purpose,
should
be
A good commercial
with
ultra
gloss
c. Apply one thin spray coat of Epoxy
primer with Epoxy hardener.
time to dry.
d. Mix
the
required
Polyurethane (follow the directions on
the can) with the prescribed amount of
activator. Spray a smooth and even
coat directly onto the primed surfaces.
Apply at least two coats and allow time
for drying between the coats.
WINDSHIELD
An anti-static type of plastic cleaner, such
as
Mirror
Glaze
recommended for best cleaning. The side
windshields are plastic and should not be
cleaned with gasoline, alcohol, acetone,
and lacquer thinner, or window cleaning
spray. Those fluids will soften the plastic
and cause crazing.
plastic surface with a dry cloth, as that can
cause scratches and build up an electrical
charge (static) which will attract dust
particles.
If scratches are visible after
removing the dust accumulation, finish the
plastic with a quality grade of commercial
wax. Apply the wax in a thin, even coat
and carefully buff out with a soft cloth. Do
not buff or polish in one area for more than
a brief period of time. The heat generated
by rubbing the surface may soften the
plastic and may produce visual distortion.
The middle section of the windshield is
safety plate glass for better resistance to
scratching and bird strikes. It is enclosed
in an aluminum frame.
HOPPER REPAIR
Hopper repair may be accomplished in
accordance with the instructions contained
in Section 9.
FUEL TANK REPAIR
Fuel tank repair may be accomplished in
accordance with the instructions contained
in Section 5.
Allow
quantity
of
or
equivalent,
is
Avoid rubbing the
Effective 01/01/08
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