(10)
Remove the DO-NOT-OPERATE tags from the control columns.
S 864-148
(11)
Release the control columns and put them back to the center position.
S 864-149
(12)
Remove the DO-NOT-CLOSE tags and close these circuit breakers on the overhead panel, P11:
(a)
11B19, STAB TRIM ALT (IF INSTALLED)
(b)
11C12, STAB TRIM SHUTOFF RIGHT
(c)
11C13, STAB TRIM SHUTOFF LEFT
(d)
11H11 or 11C05, STAB TRIM CONT L
(e)
11H17, FLT CONT SHUTOFF TAIL LEFT
(f)
11H18, FLT CONT SHUTOFF TAIL CTR
(g)
11H20, STAB TRIM CONT R
(h)
11H28, FLT CONT SHUTOFF TAIL RIGHT
(i)
11J10, PCU MON SENSOR
(j)
11J11, PCU MON MOD
S 864-150
(13) Move the RIGHT and LEFT STAB TRIM SHUTOFF valve switches on the control stand panel, P10, to the NORM position.
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757 MAINTENANCE MANUAL
S 864-151
(14)
Put the L, R, and C FLT CONTROL SHUTOFF switches on the right side panel, P61, to the ON position.
S 824-152
(15)
Adjust the power control actuator (AMM 27-31-00/501).
S 724-153
(16)
Do a test on the elevator travel limits (AMM 27-31-00/501).
S 724-154
(17)
Do a test on the Elevator PCU Monitor System (AMM 27-31-00/501).
F.
Put the Airplane Back to Its Usual Condition
S 424-155
(1)
Install the trailing edge beam and the seal panel.
S 414-156
(2)
Install the PCA access panels, 335DB or 345DB, as necessary (AMM 06-42-00/201).
(3)
Remove electrical power (AMM 24-22-00/201).
S 864-157
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ELEVATOR POWER CONTROL ACTUATOR/REACTION LINK -
_______________________________________________ INSPECTION/CHECK
________________
1. General
_______
A. This section contains illustrations and wear limit charts for the elevator PCA connections to the fittings on the elevator spar and for the PCA input linkage assemblies. Refer to Elevator PCA Removal/Installation for the procedures to access a component and to remove/install a component for wear inspection.
NOTE: Refer to CMM 55-20-15 for the wear limits and procedures to repair
____
the bushings on the elevator spar fittings.
TASK 27-31-05-226-001
2. PCA/Elevator Wear Limits (Fig. 601)
________________________
A. Access
(1) Location Zones
330/340 Horizontal Stabilizer and Elevator
TASK 27-31-05-226-002
3. PCA Input Linkage Wear Limits (Fig. 602)
________________________________________
A. Access
(1) Location Zones
330/340 Horizontal Stabilizer and Elevator
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757
MAINTENANCE MANUAL
ELEVATOR PCAS
A
SEE A
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