747-400 AMM 飞机维护手册 发动机控制 ENGINE CONTROLS(59)

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 NOTE: If there is no continuity, the switch has operated.
____
 4)  For the autothrottle reset switch, S10, do a check of the continuity between pin 6 and pin 7.
 NOTE: If there is continuity, the switch has operated.
____
 (c)  
If the switch operated, loosen the screws that attach the switch to the thrust lever. 1) Move the switch away from the lever and tighten the screws.

 (d)  
If you moved the switch, repeat this procedure: Adjust the applicable autothrottle disconnect switch (S9) or autothrottle reset switch (S10).

 (e)  
If the switch operates again, bend the switch roller lever no more than 0.06 inch (1.5 mm).

 (f)  
If you bent the switch roller lever, repeat this procedure: Adjust the applicable autothrottle disconnect switch (S9) or autothrottle reset switch (S10).

 (g)  
Push the disconnect switch lever on the No. 4 thrust lever to its full travel position and hold.

 (h)  
Make sure that the switch did operate.

 NOTE:____You can hear a click when the switch operates. You also can do a check of the continuity as follows.
 1) For switch S9, make sure that there is no continuity between pin 4 and pin 5. 2) For switch S10, make sure that there is continuity between pin 6 and pin 7.
 (i)  Install the applicable connector plugs, P12 or P15, below the control stand.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
S 414-054-N00
 (7)  
Install the ceiling panels in the main passenger cabin
 (AMM 25-22-01/401).

 S 414-035-N00

 (8)  
Do this task: Install the Thrust Lever Assembly Switch Covers (AMM 76-11-03/201).

 S 444-036-N00

 (9)  
Do this task: Activate the Autothrottle Servomotor
 (AMM 76-11-03/201).

 

 TASK 76-12-02-404-037-N00
 4.  Install the Autothrottle Go-Around (S1, S2, S3, S4, S5 and S6) Switches
_______________________________________________________________________
 A.  Equipment
 (1)  
Heat gun

 (2)  
Soldering tool

 (3)  
Ohmmeter or continuity checker

 (4)  
0.032 inch diameter wire or 1/32 inch drill bit

 (5)  
0.015 inch diameter wire or 1/64 inch drill bit

 B.  
Consumable Materials

 (1)  
G02104 Heat Shrink Tubing - RT876, Color Yellow, Raychem Corp., Menlo Park, CA

 C.  
References

 (1)  
AMM 20-11-25/201, Heat Guns and/or Soldering Guns

 (2)  
AMM 25-22-01/401, Main Passenger Cabin Ceiling Panels

 (3)  
AMM 76-11-03/201, Control Stand

 (4)  
AMM 76-12-02/501, Autothrottle Disconnect and Go-Around Switches

 (5)  
IPC 76-11-01 Fig. 2

 D.  
Access

 (1)  
Location Zone
 211/212 Main Passenger Cabin - Nose to First Door
 221/222 Flight Compartment

 E.  
Install the Autothrottle Go-around (S1, S2, S3, S4, S5 and S6) Switches
 (Fig. 402).

 (1)  
Put the heat shrink tubing on the wires.

 (2)  
Solder the wires to the new switch (AMM 20-11-25/201).

 S 434-040-N00

 (3)  
Use the heat gun to make the heat shrink tubing become smaller on the wire terminals (AMM 20-11-25/201).

 S 424-041-N00

 (4)  
Put the switch and the actuator in the correct position on the thrust lever and install the two screws.

 S 434-038-N00
 S 314-039-N00
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
S 824-043-N00
 (5)  Do these steps to adjust the applicable go-around switches (S1, S3 or S5) or do the alternate recommended procedure that follows:
　
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