TM 1-1520-238-23
7-238
7.57.
VENT UTILITY HYDRAULIC SYSTEM – continued
7.57.3. Vent Utility Hydraulic System
a. Vent utility manifold (1).
(1) Push and hold relief valve button (2) until
sound of escaping air stops.
(2) Release button (2).
b. Secure access door R325 (para 2.2).
NOTE
Excess hydraulic fluid will vent from lower
right side of fuselage when EMERG HYD
switch is activated. To catch fluid, place
pail under drain before setting of EMERG
HYD switch.
c. Vent accumulator by activating emergency
hydraulic system.
(1) Connect battery (para 9.40).
(2) Enter pilot station (para 1.56). Observe all
safety precautions.
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