Electrical de-icing system maintenance, Other Engineering

Assignment Help:

ELECTRICAL DE-ICING SYSTEM MAINTENANCE:

Tests of the system must be carried out when the servicing schedule required it or when a component has been replaced.  Typical tests are outlined below.

  • Continuity and resistance checks should be carried out before the installation of a propeller or when the efficiency of an overshoe's heating surface is suspect. The values of resistance that the elements should have are laid down in the Maintenance Manual.
  • Insulation checks are required to ensure that there is no breakdown of the element's insulation from the propeller blades or other metallic objects.
  • Voltage proof checks are used to ensure that no insulation breakdown exists between the blade and heater element. They involve applying a high voltage between the blade and element and ensuring that no leakage exists. These checks are normally carried out after repairs to the overshoe.
  • Functional tests of the ice protection system chan be carried out noting the current displayed for each of the phases of a.c. power on the flight deck ammeter. To prevent overheating of the elements the engine must maintain a minimum speed while the heating is on, as this allows a flow of air over the blades and engine intake. Some types of aircraft reduce the voltage of the system when the air / ground sense is in the ground mode and this lower voltage must be taken into account when monitoring the ammeter.

Related Discussions:- Electrical de-icing system maintenance

PLC, True or False, In a PLC system, there is a physical connection between...

True or False, In a PLC system, there is a physical connection between field input devices and output devices.

Extractive metallurgy, differences between blast , reverbatory and electric...

differences between blast , reverbatory and electric furnaces

Process Control, Specify the inner-loop gain such that the damping coeffici...

Specify the inner-loop gain such that the damping coefficient of the closed loop is equal to 0.4

Avionic systems design- static stability derivatives, Static stability der...

Static stability derivatives Static stability requires that a restoring action to any motions caused by forces and moments is auto-matically produced along and about the same a

Aviation, Aircraft maintenance engineering

Aircraft maintenance engineering

X rays., how x rays are produced?

how x rays are produced?

Latches and flip-flop circuits, Latches and flip-flop circuits: Latches...

Latches and flip-flop circuits: Latches and Flip-flop circuits are a combination of logic gates that perform basic memory functions for computers and peripherals. Both these c

Mass Transfer, construction and working of counter flow tray

construction and working of counter flow tray

Linear programming application in software industry, What could be applicat...

What could be application of linear programming in software development?

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd