Make sure that you can hear the flight deck conversation in the headphone.

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.

Light L4 comes on in 5 seconds or less .

Identify the bell crank and shaft with marks to prevent incorrect installation.

Hydraulic fluid causes fast deterioration of painted surfaces.

Do these checks randomly.

Do not refuel the aircraft during maintenance.

The bottom mark on the board is red.