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时间:2011-03-30 10:34来源:蓝天飞行翻译 作者:航空
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503 
Aug 15/78  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  27-58-01 Page 101 


3. Trailing Edge Flap Position Indicating system Trouble Shooting Chart
TROUBLE  PROBABLE CAUSE  ISOLATION PROCEDURE  REMEDY 
Indicator pointer not within tolerance zone Indicator pointer for one flap does not move when flaps move  Flaps are not extending properly Flap position transmitter out of adjustment Flap position transmitter defective Flap position indicator defective Flap asymmetry test switch not functioning  Visually inspect flap position Retract flaps and check that pointer is within tolerance zone at flaps up Check for 28V AC at transmitter plug pin 11 (left transmitter) or pin 11 (right transmitter) Check for 28V AC at indicator plug pin 5 (left indicator) or pin 2 (right indicator) Check switch for continuity between pin 3 and 8 and pin 2 and 7 (left flaps) or between pin 4 and 9 and pin 5 and 10 (right flaps)  Adjust flap drive system Adjust transmitter Repair wiring or Replace transmitter Repair wiring or Replace indicator (Ref 27-58-41, R/I) Replace switch 

T52483
501 
27-58-01  Oct 20/84 
Page 102 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 


TRAILING EDGE FLAP POSITION INDICATING SYSTEM - ADJUSTMENT/TEST
1.  General
A.  The trailing edge flap system must be in adjustment before adjusting or testing the trailing edge flap position indicating system (Ref 27-51-0, Trailing Edge Flap System).
2.  Trailing Edge Flap Position Indicating System Test
A.  Test Trailing Edge Flap Position Indicating System
(1)  
Provide system A hydraulic power (Ref 27-51-0).

(2)  
With flap control lever in FLAP UP detent, check flap position indicators (Detail B, Fig. 501). Indicator pointer must both point into the white UP area on indicator dial and pointer tips shall be within 0.040 inch of each other.

NOTE: The indicator should be tapped with the fingers to remove friction error.

(3)  
Do the left and right symmetry test (AMM 27-51-01/501), to examine a split left and right pointer condition.

(4)  
Position flap control lever at each detent and check indicator operation as flaps extend. Approach each detent from both extend and retract directions. Allow enough time at each detent position for flaps to stop moving. Tap indicator to remove friction error. At each flap position, indicator pointers must point into respective white area on indicator dial.

(5)  
If flap position indicator was replaced, test flap asymmetry checking circuit (Ref 27-32-0, Adjustment/Test).

(6)  
If left or right flap position transmitter or gear box was replaced, test flap asymmetry checking circuit (Ref 27-51-01, Adjustment/Test [Test Flap Asymmetry Checking Circuit]).

(7)  
If right position transmitter was replaced, test stall warning system (Ref 27-32-0, Adjustment/Test).

(8)  
Remove system A hydraulic power (Ref 27-51-0). Disconnect electrical power if no longer required.


501 
Aug 01/96  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  27-58-01 Page 501 


G42461G27407
Trailing Edge Flap Position Indicating System Adjustment  515 
27-58-01  Figure 501 (Sheet 1)  May 15/72 
Page 502 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 


566  Trailing Edge Flap Position Indicating System Adjustment 
Nov 15/77  Figure 501 (Sheet 2)  27-58-01 
Page 503 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 


FLAP POSITION TRANSMITTER - REMOVAL/INSTALLATION
1. General
A.  This procedure applies to both the left and right transmitters. The illustration shows left side installation. Right side illustration similar but opposite.
2.  Equipment and Materials
A.  Grease - MIL-G-23827 (Ref 20-30-21)
B.  Primer - BMS 10-11, Type 1 (Ref 20-30-41)
C.  Bonding Meter (Ref 20-22-01)
3.  Remove Flap Position Transmitter
A.  Provide system A hydraulic power (Ref 27-51-0 MP).
B.  Position flap control lever to lower flaps to position most convenient for removing flap position transmitter.
C.  Remove system A hydraulic power (Ref 27-51-0 MP).
D.  Remove electrical connector from position transmitter (Fig. 401).
E.  Remove four transmitter mounting bolts and remove transmitter.
4.  Install Flap Position Transmitter
A.  Prepare for installation.
 
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