A dedicated tool is necessary for the installation of the unit.

Make sure that there is an equal distance between the holes.

Some models have this function, but some do not.

Make sure that the hydraulic fluid is clean.

Be careful when you touch printed circuit boards.

Remove the caps from the hoses.

Advisory circular is information provided by FAA that is not mandatory.

Note is an operating procedure, inspection, repair or maintenance condition, etc., which is deemed essential to highlight.

This document provides supplemental to the applicable airplane maintenance manual(s).

Equivalent substitutes can be used.

The units used are those which will be of most value to pilots.