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RELEASED FOR THE EXCLUSIVE USE BY: AIRCRAFT ELECTRONICS ASSOCIATION
B
2.1
GENERAL INFORMATION
2.1.1
INTRODUCTION
This section contains general suggestions and information to consider before installa-
tion of the KRA 405. Close adherence to these suggestions will assure optimum per-
formance from the equipment.
The conditions and test required for the TSO and MOPS approval of this article are
minimum performance standards. It is the responsibility of those installing this article
either on or with a specified type or class of aircraft to determine that the aircraft instal-
lation conditions are within the TSO and MOPS standards. These articles must have
separate approval for installation in an aircraft. Any features in this equipment outside
the requirements of this applicable TSO and MOPS must be evaluated and approved
as part of the installation approval. The article may be installed only if performed under
14 CFR part 43 or the applicable airworthiness requirements.
2.1.2
UNPACKING AND INSPECTING EQUIPMENT
Exercise extreme care when unpacking the equipment. Make a visual inspection of
the unit for evidence of damage incurred during shipment. If a claim for damage is to
be made, save the shipping container to substantiate the claim. The claim should be
promptly filed with the transportation company. It would be advisable to retain the con-
tainer and packaging material after all the equipment has been removed in the event
that equipment storage or reshipment should become necessary.
2.2
AVIONICS COOLING REQUIREMENTS FOR PANEL MOUNTED
EQUIPMENT
The greatest single contributor to increased reliability of modern day avionics is to limit
the maximum operating temperature of the individual units whether panel mounted or
remote mounted. While modern day individual circuit designs consume much less
electrical energy, watts per cubic inch dissipated within the avionics unit remains much
the same due to the high density packaging techniques utilized. Consequently, the
importance of providing cooling to the avionics stack is still with us today.
While each individual unit may or may not require forced air cooling, the combined
heat load of several units operating in a typical avionics location will significantly de-
grade the reliability of the avionics if provisions for cooling are not incorporated in the
initial installation. Failure to provide cooling to the equipment will lead to increased avi-
onics maintenance costs and may also void the Honeywell warranty.
2.3
ALTITUDE TRIP ADJUSTMENT
2.3.1
FACTORY SETTING
Rev 6, June 2003
SECTION II
INSTALLATION
IM 006-00104-0006.dwd
KRA 405
Page 2-1
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