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_451

TEST PITCH, ROLL, YAW, OR THRUST INTEGRATED LOWER CONTROL ACTUATOR (ILCA) (AVIM) (Continued) - TM-55-1520-240-23-6_453

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 k. Subtract step h reading from step c reading. Travel shall be 0.62 to 0.74 inch. NOTE If travel is not acceptable, and the Test (RED) authority covers are installed, replace No. 2 extensible link. l. Check readings from steps b and j. Readings shall be 1.50 to 1.91 volts. NOTE Insure Tests 2, 3, 4, and 5 were performed. If they were, replace self LVDT. m. Check readings from step e and g. Readings shall be 0.75 to 0.96 volt. NOTE Insure Tests 2, 3, 4, and 5 were performed. If they were, replace self LVDT. If both travel and voltages are incorrect, replace servomotor assembly or extensible link. 119. Perform dual extensible link operational test as follows: a. Set SAS PRESS SYS 1 valve (3) to PRESS. b. Set SAS 1 FUNCTION SELECT switch (30) to HARDOVER EXTEND. Set SAS 2 FUNCTION SELECT switch (31) to HARDOVER RETRACT. c. Set SYSTEM SELECT switch (43) to SAS 1. d. Set SAS 1 LINK TEST switch (38) to CROSS FDBK. e. Record reading indicated on DVM (58). 7-434 Change 1

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