曝光臺 注意防騙 網曝天貓店富美金盛家居專營店坑蒙拐騙欺詐消費者

 NOTE: Do not tighten the detail bolt too much.____
 9)  Tighten the detail jamnut with your hand. a) Install the bellcrank rig pin. b) Turn the adjusters until you can install all the rig pins for the unison ring. c) Tighten the nuts, at each of the rod end bearings which were changed, to a minimum of 15-22 pound-inches (1.7-2.5 newton-meters) plus the torque necessary to turn the nut on the bellcrank clevis bolt.
 1 Continue to tighten the nut until the slot in the_ nut aligns with the hole in the bellcrank clevis bolt.
 d) Install the cotter pins. e) Examine the adjusters and rod end bearings for the correct installation.
 f) Install a piece of wire into the inspection holes at the two ends of each adjuster. g) If you cannot put the wire through the inspection holes, the installation is satisfactory. h) If you can put the wire through one of the inspection holes, do the steps from above which disassemble and adjust the adjuster as it is necessary until the wire does not go through the inspection holes.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 75-31-00
 ALL  ú ú N01 Page 526 ú Jun 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
i)  With the rod end bearing correctly installed, tighten the jamnuts at each rod end to 115-150 pound-inches (13.0-17.0 newton-meters).
 j)  Install the four rig pins for the unison ring.
 k)  If you cannot install one of the rig pins, then adjust the unison ring again.
 l)  If you can install all the rig pins, then remove all the rig pins and the PWA 86344 holder from the unison rings and the bellcrank.
 m) Bend one set of tabs on the rod end bearing. n) Bend the other set of tabs on the jamnut. o) Install the lockwire and seal.
 G.  Put the Aircraft Back to Its Usual Condition.
 S 215-132-N00
 (1)  Do an inspection of the position indication for the variable stator vane actuator (SVA) (AMM 75-31-00/601).
 S 415-088-N00
 WARNING: OBEY THE INSTRUCTIONS IN AMM 78-31-00 WHEN YOU CLOSE THE THRUST
_______ REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
 (2)  
Close the right thrust reverser (AMM 78-31-00/201).

 S 415-068-N00

 (3)  
Close the right core cowl panel (AMM 71-11-06/201).

 S 415-069-N00

 (4)  
Close the right fan cowl panel (AMM 71-11-04/201).

 S 445-070-N00

 (5)  
Do the activation procedure for the thrust reverser
 (AMM 78-31-00/201).

 S 715-046-N00

 (6)  
Do the test for the variable stator vane actuator (SVA) that is shown in the Power Plant Test Reference Table (AMM 71-00-00/501).

 TASK 75-31-00-825-133-N00
 4.  Variable Stator Vane Actuator Adjustment (Hydraulic Procedure)________________________________________
 A.  Special Tools and Equipment
 (1)  PWA 29451 Adapter - Pratt & Whitney, Commercial
 Products Division, 400 Main
 Street, East Hartfold,
 Connecticut 06108

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 75-31-00
 ALL  ú ú N01 Page 527 ú Jun 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
INTERMEDIATE CASE 
UNISON RING 
DRIVE LINKAGE 
SEE  A 
BELLCRANK 
SEE  B 

ACTUATOR FOR THE 
FWD  VARIABLE STATOR 
VANES 
A 
POSITIONING 
SLOT 
BELLCRANK 
ARM 
SUPPORT 
BRACKET 
PWA 86097 RIG PIN
ACTUATOR FOR THE 
VARIABLE STATOR VANES 
SEE  C 
FWD 
B 
L-A3219 
Variable Stator Vane Actuator Rigging 
Figure 503 (Sheet 1) 

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
　
中國航空網 m.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：747-400 AMM 飛機維護手冊 大氣 AIR 2(33)