TM 55-1520-240-23-6
7-98
TEST PITCH, ROLL, YAW, OR THRUST INTEGRATED LOWER CONTROL ACTUATOR
(ILCA) (AVIM) (Continued)
7-98
23.
Set hydraulic unit controls as follows:
Initial Settings of Hydraulic Unit Controls
VALVE IDENTIFICATION
POSITION REQUIRED
CAUTION
RETURN SHUTOFF VALVE shall be OPEN unless otherwise required for a specific test.
RETURN SHUTOFF VALVE (47)
Full OPEN
CASE VENT LINE PRESS valve (48)
Full CLOSE
RETURN BACK PRESS valve (49)
Full CLOSE
LOW PRESS REGULATOR valve (50)
Full DECREASE
Both RETURN valves (5 and 6)
OFF
Both SAS PRESS valves (3 and 4)
OFF
Both ILCA PRESS valves (1 and 2)
OFF
HIGH PRESS SHUTOFF VALVE (51)
Full CLOSE
HIGH PRESS REGULATOR valve (52)
Full DECREASE
SOLENOID valve (53)
CLOSED (in)
Change 1
7-409
