Measure the depth of the dent with a straightedge and feeler gauges

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.

When the indicator comes into view, stop the pump.