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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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757
MAINTENANCE MANUAL
(f) If the trailing edges do not align correctly, adjust the input
pogo rod for the outboard PCA on the left or right elevator as
applicable, until they align correctly.
NOTE: Always adjust the input pogo rod so the elevator____
moves up, in the direction of the datum marks, not down.
(g) If you adjusted the input pogo rod, make sure the rod end
threads are engaged correctly in the pogo rod (Fig. 509).
(h) Tighten the jamnut on the pogo rod, but do not install a
lockwire.
(i) Make sure that the elevator trailing edge aligns with the rig
position mark on the index plate, | 0.05 inch (| 1.3 mm), after
the pogo jamnut is tightened.
(j) Remove the power from the outboard PCAs on the left and right
elevators.
1) Remove the pressure from the right hydraulic system
(AMM 29-11-00/201).
2) Put the R FLT CONTROL SHUTOFF switch on the P61 panel to
the OFF position.
3) Open this circuit breaker on the P11 panel and attach a
DO-NOT-CLOSE tag:
a) 11H28, FLT CONT SHUTOFF TAIL RIGHT
(k) Supply power to the inboard PCAs on the left and right
elevators.
1) Remove the DO-NOT-CLOSE tag and close this circuit breaker
on the P11 panel:
a) 11H18, FLT CONT SHUTOFF TAIL CTR
2) Put the C FLT CONTROL SHUTOFF switch on the P61 panel to
the ON position.
3) Pressurize the center hydraulic system (AMM 29-11-00/201).
(l) Make sure the trailing edge of the left and right elevator
upper surfaces align, by less than | 0.05 inch (| 1.3 mm), with
the datum marks from the previous step.
(m) If the trailing edges do not align correctly, adjust the input
pogo rod on the inboard PCA for the left or right elevator as
applicable, until they align correctly.
NOTE: Always adjust the input pogo rod such that the elevator____
moves up, in the direction of the datum marks, not down.
(n) If you adjusted the input pogo rod, make sure the rod end
threads are engaged correctly in the pogo rod (Fig. 509).
(o) Tighten the jamnut on the pogo rod, but do not install a
lockwire.
(p) Make sure the elevator trailing edge still aligns with the rig
position mark on the index plate, | 0.05 inch (| 1.3 mm), after
the pogo rod jamnut is tightened.
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27-31-00
ALL ú ú 02 Page 559 ú May 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
(q) Remove the power from the inboard PCAs on the left and right elevators. 1) Remove the pressure from the center hydraulic system
(AMM 29-11-00/201). 2) Put the C FLT CONTROL SHUTOFF switch on the P61 panel to the OFF position.
3) Open this circuit breaker on the P11 panel and attach a DO-NOT-CLOSE tag: a) 11H18, FLT CONT SHUTOFF TAIL CTR
(r) Make sure there are sufficient thread engagement on all the PCA input pogo rods.
NOTE: Make sure that you cannot put a 0.045 inch (1.14 mm)
____ diameter pin in each inspection hole.
S 095-068
(7)
Remove rig pins E/ST7.
S 435-069
(8)
Install a lockwire on the jamnuts for all the input pogo rods that you adjusted (Fig. 509).
S 865-070
(9)
Make sure that Dimension B on the stabilizer ballscrew actuator is
15.89 | 0.01 inches (403.6 | 0.3 mm) (Fig. 502).
S 865-242
WARNING: KEEP PERSONS AND EQUIPMENT AWAY FROM ALL CONTROL
_______ SURFACES WHEN HYDRAULIC POWER IS SUPPLIED. AILERONS, ELEVATORS, RUDDER, FLAPS, SLATS, SPOILERS, AND STABILIZER ARE FULLY POWERED SURFACES. INJURY TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR WHEN HYDRAULIC POWER IS SUPPLIED.
(10)
Supply power to the left, right, and center hydraulic systems (AMM 29-11-00/201).
S 865-072
(11)
Push the captain's control column full forward until the aft quadrant stops are touched.
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