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时间:2011-03-31 08:00来源:蓝天飞行翻译 作者:航空
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4.  Restore Airplane to Normal Configuration
A.  Install access door No. 6301 or 6401 in wing leading edge above wing-to-engine fairing (Ref Chapter 12, Access Doors and Panels).
B.  Remove leading edge flap locks (Ref 27-81-0 MP).
WARNING:  LEADING EDGE FLAPS ARE FAST ACTING AND CAN CAUSE SERIOUS INJURY TO PERSONNEL.
506 
Jan 20/82  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  76-11-61 Page 407 


START LEVERS - REMOVAL/INSTALLATION
1.  Equipment and Materials
A.  Tensiometer - 0- to 125-pound capacity.
B.  Rig Pin Kit - F70207-3, -52 or -61.
(1)  SB-1 - F70207-11, 0.311 + 0.000/-0.002-inch diameter rod
C.  C-Clamps - as required.
D.  Dowel Set - Thrust Lever, Control Stand - F80195-1 or Dowel, Thrust Lever Control Stand -SE76-1004 (2 required).
2.  Prepare for Start Levers Removal
A.  Depressurize hydraulic systems A and B.
(1)  
Provide electrical power.

(2)  
On forward overhead panel, position switches as follows:

(a)
Hydraulic system A ENG 1 and ENG 2 pump switches to OFF.

(b)
Hydraulic system B ELEC 1 and ELEC 2 pump switches to OFF.

 

(3)  
Open circuit breakers as follows:

(a)  
Pump B on P6-11 panel.

(b)  
Pump B on P6-12 panel.

(c)  
Hydraulic pump depressurize valve on P6 panel.

 

(4)  
On forward overhead panel, position GRD INTERCONNECT switch to OPEN.

(5)  
If no longer required, remove electrical power from airplane.


B.  Place thrust levers in IDLE and start levers in CUTOFF and clamp cables.
C.  Open lower nose compartment access door.
D.  Relieve tension on flap control cables WFA and WFB by loosening turnbuckles in lower nose compartment (Fig. 406).
E.  Install speed brake system rigging pin SB-1 through forward speed brake control drum into structure (Fig. 408).
F.  Relieve tension on stabilizer trim chain assembly by adjusting forward and aft support links to raise forward mechanism in lower nose compartment (Fig. 405).
501 
Jan 20/82  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  76-11-71 Page 401 


G.  Open electronics equipment access door 1201.
H.  Relieve tension on thrust control cables TlA, TlB, T2A, and T2B. Use turnbuckles located in electronics equipment compartment (Fig. 407).
I.  Relieve tension on all engine start control cables. Disconnect and tag cables for start drums as applicable for start levers being removed.
3.  Remove Start Levers
A.  Remove left stabilizer trim control wheel tie rod nut (1, Fig. 404).
B.  Pull stabilizer trim control wheel tie rod (8) from stabilizer trim control wheel shaft.
C.  Remove right stabilizer trim control wheel (7) from stabilizer trim control wheel shaft (2).
D.  Remove both left and right upper side door (6).
E.  Remove lower right access panel (10).
F.  Disconnect stabilizer trim cutout switches (9).
G.  Cut lockwire and remove right control shaft nut (5).
H.  Remove forward electronic units (16) from aft electronic panel.
I.  Remove start lever detents (10, Fig. 403) for No. 1 and No. 2 engine start levers.
J.  Remove forward and aft cover tie straps (4 and 2).
K.  Remove forward and aft cover angles (6 and 8).
L.  Remove horn cutout switch (17, Fig. 404).
M.  Remove stabilizer trim warning light cover (15).
N.  Lift cover assemblies (5, Fig. 403) from control stand.
O.  Remove right control stand frame (4, Fig. 404).
P.  Remove key (3) from slot in right control shaft (12).
Q.  Replace right control shaft nut (5) on right control shaft (12) to allow removal of spacer, stabilizer trim indicator, spacer and flap handle as a unit.
R.  Detach stabilizer trim indicator link (13) from stabilizer trim indicator by removing bolt (14).
500 
76-11-71 Page 402  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  Nov 15/70 


S.  Remove right control shaft (12) with nut, spacer, trim indicator, spacer, and flap handle as a unit.
T.  Rotate left stabilizer trim wheel until connector link (11) in stabilizer trim chain is accessible for removal.
U.  Detach connector link and remove chain from sprocket. Secure chain in bottom of control stand.
V.  Remove left stabilizer trim control wheel (1, Fig. 403) from stabilizer trim control wheel shaft (7).
W.  Remove stabilizer trim control wheel shaft (7) and sprocket from right side of control stand.
 
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