Honeywell Aircraft Instrument Troubleshooting
Honeywell manufactures hundreds, possibly thousands, of different aircraft instruments. They are divided into four types: Air transport and regional, general aviation, business aviation, and military electronics. Honeywell maintains a Technical Publications library with the component maintenance manuals, service bulletins, service information letters and pilot instruction manuals. Component maintenance manuals contain the theory of operation for a particular unit, testing and troubleshooting information, schematics, storage instructions, repair procedures and an illustrated parts list.
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Instructions
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Sign up for an account with Honeywell in order to access the Technical Publications library. According to their users guide "access to the online tools is available to authorized customers and Honeywell employees." If you work for a company currently doing business with Honeywell, your account will automatically be linked with your company. If not linked with any registered company, your account will have limited guest access.
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Search the Technical Publications library for the Component Maintenance Manual (CMM) and related information on your Honeywell product. You can search by part number, product name, publication number and more. A search for Honeywell's Enhanced Ground Proximity Warning System (EGPWS), for example, returns over 100 different publications. This list can be narrowed by selecting just the CMM, service bulletins or service information letters.
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Download your documents or read them online. Component maintenance manuals follow a standard format. Every CMM has a list of effective pages, table of contents, testing and troubleshooting section, and illustrated parts list. Every testing and troubleshooting section starts with page 101. This makes finding relevant information an easier task. Also, having the CMM in PDF format allows rapid searches for obscure part numbers.
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Tips & Warnings
Maintenance work on aircraft or aircraft components requires the dedication and skill of a trained and federally licensed technician. It is not a do-it-yourself job for a home mechanic.
References
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