FILLING AND BLEEDING FLIGHT CONTROL HYDRAULIC SYSTEMS
General Safety Instructions:
Hydraulic fluid (E199) is toxic. It can
irritate skin and cause burns. Avoid
inhaling. Use only with adequate
ventilation. Avoid contact with skin,
eyes, or clothing. In case of contact,
immediately flush skin or eyes with
water for at least 15 minutes. Get
medical attention for eyes.
Hydraulic fluid ejected under pressure
can cause injury to personnel.
Hydraulic fluid sprayed into the air is
a fire hazard.
Test stand filters must be cleaned
before connecting test stand to
Make sure filter assembly kit
ADHT6814-M9716M is installed in
test stand pressure line.
To operate hydraulic test stand refer
to applicable manual.
NO. 1 FLIGHT CONTROL HYDRAULIC SYSTEM
Release six fasteners (1) and remove cover (2).
Remove dust cover (3) from PRESSURE
connection (4) and dust cover (5) from SUCTION
Connect test stand pressure line (7) to
PRESSURE connection (4) and test stand return
lines (8) to SUCTION connection (6). Open
shutoff valve in test stand return line. Use gloves
Start test stand and set stand to 6 gpm flow.
Allow lines to fill. Slowly increase stand pressure
to 3000 psi.