TEST PITCH, ROLL, YAW, OR THRUST INTEGRATED LOWER CONTROL ACTUATOR (ILCA) (AVIM) (Continued)

TEST PITCH, ROLL, YAW, OR THRUST INTEGRATED LOWER CONTROL ACTUATOR (ILCA) (AVIM) (Continued) - TM-55-1520-240-23-6_484

TM-55-1520-240-23-6 CH-47D Heilcopter Manual
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TM 55-1520-240-23-6 7-98 TEST PITCH, ROLL, YAW, OR THRUST INTEGRATED LOWER CONTROL ACTUATOR (ILCA) (AVIM) (Continued) 7-98 340. Press CYCLE MOTOR switch (45) to OFF. 341. Set SAS 1 SQ WAVE control (36) and SAS 2 SQ WAVE control (37) to MIN. 342. Set SAS 1 FUNCTION SELECT switch (30) and SAS 2 FUNCTION SELECT switch (31) to BALANCE. 343. Set electrical and hydraulic unit control as follows: a. HIGH PRESS REGULATOR valve (52) to DECREASE. b. SOLENOID SHUTOFF switch (44) to CLOSE. c. SOLENOID valve (53) to CLOSED. d. ILCA PRESS SYS 1 valve (1), ILCA PRESS SYS 2 valve (2), SAS PRESS SYS 1 valve (3), and SAS PRESS SYS 2 valve (4) to VENT. e. HIGH PRESS SHUTOFF valve (51) to CLOSE. f. Press and hold HIGH PRESS RELIEF VALVE (67) for 15 seconds. g. ILCA PRESS SYS 1 valve (1), ILCA PRESS SYS 2 valve (2), SAS PRESS SYS 1 valve (3), SAS PRESS SYS 2 valve (4), RETURN SYS 1 valve (5), and RETURN SYS 2 valve (6) to OFF. 344. Remove and stow PIN 1 (65) and cycle motor linkage (64). 345. If no further testing is required, perform normal shutdown (TM 55-4920-428-13). END EXTERNAL DYNAMIC LEAKAGE TEST Change 1 7-467

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