Eagle ICA-D212-725, Instructions Manual

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ICA-D212-725 (53)
Page 3 of 19
CHAPTER 53 – FUSELAGE (53-00-00)
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COPYRIGHT

2007 BY DART AEROSPACE LTD.

THIS DOCUMENT IS PRIVATE AND CONFIDENTIAL AND IS SUPPLIED ON THE EXPRESS CONDITION THAT IT IS NOT TO BE USED FOR ANY PURPOSE OR COPIED OR COMMUNICATED TO ANY
OTHER PERSON WITHOUT WRITTEN PERMISSION FROM DART AEROSPACE LTD.
Revision: 4
Date: 11.06.01
53.1 FUSELAGE
The fuselage consists of forward fuselage and
tailboom. The forward fuselage (1, Figure 53-1) is
of combined semi-monocoque and reinforced shell
construction. The tailboom (6) is of semi-
monocoque construction.
53.2 FORWARD FUSELAGE
The forward fuselage (Figure 53-2) is built up on
two main longitudinal beams and is of combined
semi-monocoque and reinforced-shell construction
with transverse bulkheads and metal covering.
The longitudinal beams act as primary supporting
structure for the cabin section, landing gear, fuel
cells, engine, transmission, tailboom, and useful
load. Work and engine decks, some main beam
panels, as well as cabin floor and cabin roof
panels, are of aluminum alloy honeycomb
construction. Avionics equipment is contained in
the nose compartment. Lower and upper hinged
nose compartment doors provide access to the
electrical compartment. Crew doors, passenger-
cargo doors, and hinged panel doors on both
sides of the helicopter permit entrance and exit.
Acrylic windows in lower nose compartment, roof,
and doors permit a wide range of visibility.
Transmission and engine cowling may be opened
or removed for access to those areas. The
cargo/passenger area is equipped with cargo
tiedown rings and studs.
Repair of structural components on the forward
fuselage is provided in BHT-MED-SRM-1. Other
structural inspection and repair procedures are
included in FAA Publication AC 43.13-1B, Aircraft
Inspection and Repair. Repair of components and
assemblies installed on the fuselage is contained
within appropriate chapters of this manual and
companion publications.
53.3 CREW SEAT TRACKS
53.3.1 Crew Seat Tracks - Removal
53.3.1.1 Remove the applicable crew seat
(Chapter 25)
53.3.1.2
Remove right-hand track
assemblies (3, Figure 53-3) as follows:
53.3.1.2.1 Remove
the screws (1), washers (2)
and the right hand track assembly (3).
53.3.1.3
Remove left hand track assemblies
(6) as follows:
53.3.1.3.1 Remove the two screws (4) and
spacers (5).
53.3.1.3.2 Remove
the screws (1), washers (2)
and the left hand track assembly (6).
53.3.2 Crew Seat Tracks - Inspection
NOTE
It is not necessary to remove a track assembly
(3 or 6, Figure 53-3) to inspect it for wear;
however, the seat assembly must be removed.
53.3.2.1
Hold a straightedge against the
crown of the central rail of the right hand or left
hand track assembly (3 or 6) as shown. The
straightedge must be at least as long as the
track assembly.
53.3.2.2
Look for gaps between the bottom
of the straightedge and the rail, particularly near
the adjustment holes at the forward end.
53.3.2.3
If you find a gap that is more than
0.050 inch (1.27 mm), remove and replace the
right hand or left hand track assembly (3 or 6)
with a serviceable part.
53.3.2.4
Visually examine the exposed areas
of the right hand or left hand track assembly (3
or 6) for cracks, mechanical damage and
corrosion damage. Replace as required.
53.3.2.5
Visually examine the exposed areas
of the attaching hardware for wear, mechanical
damage and corrosion damage. Replace as
required.