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INTEC 1206 SERIES-ICA-1
REVISION: B – 05/12/03 4 of 10
SECTION 1
Introduction
1.1 General Product Information
The engine filter system is designed to protect the turbine engine from foreign object damage
and micro erosion when operating in normal and severe environmental conditions. The
Model 1206 and 1407 Engine Filter Systems consist of a duct assembly, left & right filter
elements, low inlet pressure annunciator system, and a pilot actuated alternate air system.
The filter elements are comprised of a specially formulated polymerized oil suspended by a
pleated wire cloth and fabric matrix for the purpose of attracting and holding airborne dust
particles. These filter elements are serviced by cleaning and re-oiling at regular intervals, or
as required, based on engine performance loss or by visual inspection.
The pilot actuated alternate air system is provided to bypass the filter elements in the event
that engine performance is degraded due to filter blockage. The alternate air system should
be inspected at regular intervals or prior to flight into environmental conditions that may
require its use.
1.2 Scope of ICA
This manual describes the airworthiness limitations, service instructions, inspection
procedures, and testing of the engine filter systems and its individual components. Strict
adherence to the information given herein will assure maximum filtration benefit and
increased component life.
1.3
Precautions
The following precautions are used throughout this manual and are defined as follows:
WARNING: Maintenance procedure, practice, condition, etc. which if ignored could result in
personal injury or loss of life.
CAUTION: Maintenance procedure, practice, condition, etc. which if ignored could result in
damage or destruction of equipment.
NOTE: Maintenance procedure, practice, condition, etc. or a statement which needs to be
highlighted.