Even small quantities of dust and dirt entering data ports of various aircraft instruments are often sufficient to throw a fit at the most inopportune time. When receiving a newly purchased aircraft instrument, have it thoroughly examined and as far as possible, fully tested before installation and take off.

The installation process itself should be handled with care. Tighten the nuts (or screws) too much and you could end up destroying the outer casing which in turn could severely damage the internal parts.

Aircraft instrument repairs are supposed to be handled by approved shop and done under controlled conditions. Every repair ... Read more »