S 825-046
(2)
Do the steps that follow to adjust the pogo rods for the neutral shift mechanism:
(a)
Make sure that rig pin E/ST10 can be freely put in the rig pin hole (Fig. 507).
(b)
Do the steps that follow if rig pin E/ST10 cannot be freely put in the rig pin hole:
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-31-00
ALL ú ú 13 Page 538 ú May 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
WARNING: DO NOT DISCONNECT THE TWO POGO RODS ON THE NEUTRAL
_______ SHIFT MECHANISM AT THE SAME TIME. THE NEUTRAL SHIFT AND OVERRIDE MECHANISM CAN MOVE HARDOVER AND CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
1) Disconnect the lower end of the inboard pogo rod on the neutral shift mechanism from the neutral shift and override linkage (Fig. 507).
NOTE: If both of the pogo rods must be disconnected,
____ install rig pin E/ST10. This is so the neutral shift and override mechanism will not move hard over.
2) Adjust the outboard pogo rod until rig pin E/ST10 can be put in freely. 3) Tighten the jamnut on the pogo rod and put a lockwire on the jamnut.
4) Adjust the lower end of the inboard pogo rod until the condition that follows is correct: a) The attachment bolt for the pogo rod can be freely put
through the neutral shift linkage and the pogo rod. 5) Install the attachment bolt, but do not tighten the nut. 6) Tighten the pogo rod jamnut. 7) Make sure that the attachment bolt for the pogo rod can be
put in freely. 8) Tighten and put a lockwire on the attachment bolt nut and put lockwire on the pogo rod jamnut.
(c) Remove rig pin E/ST10.
S 825-047
(3) Do the steps that follow to adjust the neutral shift control rod:
NOTE: The upper control rod is not adjustable.
____ The lower control rod is adjustable on the two ends.
(a)
Make sure that there is no freeplay in the rod end bearings on the upper and lower control rods.
(b)
If there is freeplay in the rod end bearings, do the steps that follow to adjust the lower control rod: 1) Loosen the jamnuts. 2) Make the rod longer until there is no freeplay in the rod
end bearings in the upper and lower rods. 3) Tighten the jamnuts on the rod.
S 825-048
(4)
Do these steps to adjust the captain's (lower) feel and centering unit control rod (Fig. 507):
(a)
Install rig pin E/ST7 (Fig. 506).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-31-00
ALL ú ú 07 Page 539 ú Sep 20/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
(b)
Shake the captain's (lower) feel and centering unit input arm to make sure it is at the neutral position.
(c)
Adjust and connect the control rod on the captain's feel and centering unit to the crank arm on the aft quadrant.
(d)
Make sure the bolt turns easily and the input arm does not move when you turn the bolt.
(e)
Tighten the bolt.
(f)
Remove rig pin E/ST7.
S 825-197
(5)
Do these steps to adjust the first officer's (upper) feel and centering unit control rod (Fig. 507):
(a)
Put the LEFT and CENTER STAB TRIM SHUTOFF valve switches on the P10 panel to the ON position.
(b)
Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P11 panel: 1) 11B19 or 11A19, STAB TRIM ALT (IF INSTALLED) 2) 11C12, STAB TRIM SHUTOFF LEFT 3) 11C13, STAB TRIM SHUTOFF RIGHT 4) 11H11 or 11C05, STAB TRIM CONT L 5) 11H20, STAB TRIM CONT R
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址：757 AMM 飞机维护手册 飞行操纵 FLIGHT CONTROLS 3(18)
