(4)
Connect the electrical connector.
S 094-021
(5)
Remove rig pins E/ST6 and E/ST7.
D.
Test for the Asymmetry Limiter Actuator
S 434-020
S 864-023
(1) Push the ECS MSG switch on the EICAS MAINT panel on the right side panel, P61.
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(2) S 864-024Push the AUTOREAD and then the ERASE buttons to erase the EICAS memory.
(3) S 714-025Put the COMPUTER switch on the EICAS DISPLAY select panel to the L position. (a) Make sure the EICAS message, ELEV ASYM, message does not show on the bottom display.
(4) S 714-026Put the COMPUTER switch on the EICAS DISPLAY select panel to the R position. (a) Make sure the EICAS message, ELEV ASYM, does not show on the bottom display.
(5) S 864-027Open these circuit breakers on the P11 panel: (a) 11C6, CSEU 1L AC or FLT CONT ELEC 1L AC (b) 11C8, CSEU 2L AC or FLT CONT ELEC 2L AC (c) Make sure the EICAS message, ELEV ASYM, message does not show on the bottom display.
NOTE:____ Do not do this step until 2 seconds after you open the above circuit breakers.
(6) S 714-028Hold the ADC test switch on the right side panel, P61, for a minimum of 2 seconds and do the checks that follow:
NOTE:____ The ADC test switch extends the asymmetry limiter actuator for 13 seconds and then retracts it.
(a) Make sure the EICAS message, ELEV ASYM, shows on the bottom display.
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MAINTENANCE MANUAL
(b) Make sure the asymmetry limiter actuator extends and then
retracts.
NOTE: You must observe the asymmetry limit actuator during the____
first 13 seconds after you operate the ADC test switch.
S 864-029
(7) Do not start the subsequent steps for a minimum of 20 seconds.
S 864-030
(8) Push the AUTOREAD and then ERASE buttons to erase the EICAS memory.
(a) Make sure the EICAS message, ELEV ASYM, does not show on the
bottom display.
S 864-031
(9) Close these circuit breakers on the P11 panel:
(a) 11C6, CSEU 1L AC
or FLT CONT ELEC 1L AC
(b) 11C8, CSEU 2L AC
or FLT CONT ELEC 2L AC
ú
ú S 864-058
ú (10) Close these circuit breakers on the overhead panel, P11, and remove
ú the DO-NOT-CLOSE tags:
ú (a) 11B19, STAB TRIM ALT (IF INSTALLED)
ú (b) 11C12, STAB TRIM SHUTOFF LEFT
ú (c) 11C13, STAB TRIM SHUTOFF RIGHT
ú (d) 11H11 or 11C05, STAB TRIM CONT L
ú (e) 11H17, FLT CONT SHUTOFF TAIL LEFT
ú (f) 11H18, FLT CONT SHUTOFF TAIL CTR
ú (g) 11H20, STAB TRIM CONT R
ú (h) 11H28, FLT CONT SHUTOFF TAIL RIGHT
E. Put the Airplane Back to Its Usual Condition
S 864-032
(1) Remove electrical power if it is not necessary (Ref 24-22-00).
S 414-033
(2) Close the access door for the forward stabilizer compartment, 311AL
(Ref 06-42-00).
S 414-034
(3) Close the access door for the elevator aft quadrants, 313AL
(Ref 06-42-00).
S 414-035
(4) Close the access door for the forward equipment bay, 113AL
(Ref 06-41-00).
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